Altamira weather in May
In May, Altamira sees average daytime highs of 31°C and overnight lows near 24°C, with 41 mm of rain across 8.7 wet days and about 13.1 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 50% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Altamira's 1st-clearest and 2nd-windiest month. For the whole year in context, see Altamira's year-round climate.
- Daytime high
- 31°
- 4th warmest
- Overnight low
- 24°
- 8th coldest
- Rainfall
- 41 mm
- 8.7 wet days
- Daylight
- 13 h 06 min
- 5:56 AM – 7:00 PM
- Cloud cover
- 44%
- 1st clearest
- Wind
- 12 km/h
- 2nd windiest
- Solar energy
- 6.14 kWh/m²
- Travel score
- 5.1
- out of 10
Altamira is municipal seat of Altamira, State of Tamaulipas, Mexico.
- Founded
- 1749
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 31°C through the month.
A typical May day in Altamira reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 2°C warmer than April and on par with June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 23 |
| 2 | 30 | 23 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 31 | 24 |
| 18 | 31 | 24 |
| 19 | 31 | 25 |
| 20 | 31 | 25 |
| 21 | 31 | 25 |
| 22 | 31 | 25 |
| 23 | 31 | 25 |
| 24 | 31 | 25 |
| 25 | 31 | 25 |
| 26 | 31 | 25 |
| 27 | 31 | 25 |
| 28 | 31 | 25 |
| 29 | 31 | 25 |
| 30 | 31 | 25 |
| 31 | 31 | 25 |
How May really feels in Altamira
Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Altamira weather by month
How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 17° | 34 | 6.8 | 10.8 | 7.3 |
| Feb | 24° / 18° | 22 | 4.2 | 11.2 | 7.8 |
| Mar | 26° / 20° | 25 | 5 | 11.8 | 7.5 |
| Apr | 29° / 22° | 29 | 4.7 | 12.5 | 6.4 |
| May | 31° / 24° | 41 | 8.7 | 13.1 | 5.1 |
| Jun | 31° / 25° | 116 | 17 | 13.3 | 3.9 |
| Jul | 31° / 25° | 122 | 18.3 | 13.2 | 3.8 |
| Aug | 31° / 25° | 110 | 18.1 | 12.8 | 3.7 |
| Sep | 30° / 25° | 173 | 20.3 | 12.1 | 3.7 |
| Oct | 29° / 23° | 99 | 12.5 | 11.5 | 5.6 |
| Nov | 26° / 20° | 44 | 7.8 | 10.9 | 7.1 |
| Dec | 24° / 17° | 25 | 5.8 | 10.7 | 7.6 |
Cloud cover in May
The sky is clear or mostly clear about 50% of the time in May, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 65 | 65 | 65 | 65 | 65 | 66 | 67 | 67 | 68 | 68 | 69 | 71 | 71 | 72 | 74 | 74 | 76 | 76 | 76 | 78 | 78 | 78 | 79 | 80 | 79 | 80 | 80 | 80 | 80 | 80 | 79 |
| Cloudier (%) | 35 | 35 | 35 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 31 | 29 | 29 | 28 | 26 | 26 | 24 | 24 | 24 | 22 | 22 | 22 | 21 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 65 | 35 |
| 4 | 65 | 35 |
| 5 | 65 | 35 |
| 6 | 66 | 34 |
| 7 | 67 | 33 |
| 8 | 67 | 33 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 69 | 31 |
| 12 | 71 | 29 |
| 13 | 71 | 29 |
| 14 | 72 | 28 |
| 15 | 74 | 26 |
| 16 | 74 | 26 |
| 17 | 76 | 24 |
| 18 | 76 | 24 |
| 19 | 76 | 24 |
| 20 | 78 | 22 |
| 21 | 78 | 22 |
| 22 | 78 | 22 |
| 23 | 79 | 21 |
| 24 | 80 | 20 |
| 25 | 79 | 21 |
| 26 | 80 | 20 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 80 | 20 |
| 31 | 79 | 21 |
Chance of precipitation in May
Altamira gets around 41 mm of rain over 8.7 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 28% and peaks near 38% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 33 | 34 | 34 | 35 | 35 | 36 | 37 | 37 | 38 | 38 |
| Rain chance (%) | |
|---|---|
| 1 | 16 |
| 2 | 17 |
| 3 | 18 |
| 4 | 18 |
| 5 | 19 |
| 6 | 20 |
| 7 | 21 |
| 8 | 22 |
| 9 | 23 |
| 10 | 24 |
| 11 | 25 |
| 12 | 26 |
| 13 | 27 |
| 14 | 27 |
| 15 | 28 |
| 16 | 29 |
| 17 | 30 |
| 18 | 31 |
| 19 | 31 |
| 20 | 32 |
| 21 | 32 |
| 22 | 33 |
| 23 | 34 |
| 24 | 34 |
| 25 | 35 |
| 26 | 35 |
| 27 | 36 |
| 28 | 37 |
| 29 | 37 |
| 30 | 38 |
| 31 | 38 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 |
| Oppressive (%) | 44 | 43 | 42 | 40 | 39 | 39 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 37 | 36 | 36 | 35 | 34 | 33 | 32 |
| Miserable (%) | 31 | 33 | 35 | 38 | 40 | 42 | 43 | 45 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 50 | 50 | 51 | 51 | 54 | 54 | 56 | 57 | 58 | 60 | 61 | 63 | 64 | 66 | 67 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 6 | 16 | 44 | 31 |
| 2 | 1 | 3 | 5 | 15 | 43 | 33 |
| 3 | 1 | 2 | 5 | 15 | 42 | 35 |
| 4 | 1 | 2 | 5 | 14 | 40 | 38 |
| 5 | 1 | 2 | 4 | 14 | 39 | 40 |
| 6 | 1 | 2 | 4 | 13 | 39 | 42 |
| 7 | 1 | 2 | 4 | 12 | 38 | 43 |
| 8 | 1 | 2 | 3 | 11 | 38 | 45 |
| 9 | 1 | 1 | 3 | 11 | 38 | 46 |
| 10 | 0 | 1 | 3 | 10 | 39 | 47 |
| 11 | 0 | 1 | 2 | 10 | 39 | 47 |
| 12 | 0 | 1 | 2 | 9 | 40 | 48 |
| 13 | 0 | 1 | 2 | 9 | 40 | 48 |
| 14 | 0 | 1 | 2 | 8 | 41 | 49 |
| 15 | 0 | 1 | 2 | 8 | 41 | 49 |
| 16 | 0 | 1 | 1 | 7 | 41 | 49 |
| 17 | 0 | 1 | 1 | 7 | 41 | 50 |
| 18 | 0 | 1 | 1 | 7 | 41 | 50 |
| 19 | 0 | 1 | 1 | 6 | 41 | 51 |
| 20 | 0 | 1 | 1 | 6 | 41 | 51 |
| 21 | 0 | 0 | 1 | 5 | 40 | 54 |
| 22 | 0 | 0 | 1 | 5 | 40 | 54 |
| 23 | 0 | 0 | 1 | 4 | 39 | 56 |
| 24 | 0 | 0 | 1 | 4 | 38 | 57 |
| 25 | 0 | 0 | 1 | 4 | 37 | 58 |
| 26 | 0 | 0 | 1 | 3 | 36 | 60 |
| 27 | 0 | 0 | 0 | 3 | 36 | 61 |
| 28 | 0 | 0 | 0 | 2 | 35 | 63 |
| 29 | 0 | 0 | 0 | 2 | 34 | 64 |
| 30 | 0 | 0 | 0 | 1 | 33 | 66 |
| 31 | 0 | 0 | 0 | 1 | 32 | 67 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 48 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over May. Sunrise moves from 6:04 AM to 5:51 AM, and sunset from 6:53 PM to 7:07 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 |
| Sunrise (AM) | 6:04 | 6:04 | 6:03 | 6:02 | 6:02 | 6:01 | 6:01 | 6:00 | 5:59 | 5:59 | 5:58 | 5:58 | 5:57 | 5:57 | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:54 | 5:54 | 5:54 | 5:53 | 5:53 | 5:53 | 5:52 | 5:52 | 5:52 | 5:52 | 5:52 | 5:51 |
| Sunset (PM) | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 | 6:58 | 6:58 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:05 | 7:06 | 7:06 | 7:06 | 7:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 6:04 | 6:53 |
| 2 | 12.8 | 6:04 | 6:54 |
| 3 | 12.9 | 6:03 | 6:54 |
| 4 | 12.9 | 6:02 | 6:55 |
| 5 | 12.9 | 6:02 | 6:55 |
| 6 | 12.9 | 6:01 | 6:56 |
| 7 | 12.9 | 6:01 | 6:56 |
| 8 | 12.9 | 6:00 | 6:56 |
| 9 | 13.0 | 5:59 | 6:57 |
| 10 | 13.0 | 5:59 | 6:57 |
| 11 | 13.0 | 5:58 | 6:58 |
| 12 | 13.0 | 5:58 | 6:58 |
| 13 | 13.0 | 5:57 | 6:59 |
| 14 | 13.0 | 5:57 | 6:59 |
| 15 | 13.1 | 5:56 | 7:00 |
| 16 | 13.1 | 5:56 | 7:00 |
| 17 | 13.1 | 5:55 | 7:01 |
| 18 | 13.1 | 5:55 | 7:01 |
| 19 | 13.1 | 5:55 | 7:01 |
| 20 | 13.1 | 5:54 | 7:02 |
| 21 | 13.1 | 5:54 | 7:02 |
| 22 | 13.2 | 5:54 | 7:03 |
| 23 | 13.2 | 5:53 | 7:03 |
| 24 | 13.2 | 5:53 | 7:04 |
| 25 | 13.2 | 5:53 | 7:04 |
| 26 | 13.2 | 5:52 | 7:05 |
| 27 | 13.2 | 5:52 | 7:05 |
| 28 | 13.2 | 5:52 | 7:06 |
| 29 | 13.2 | 5:52 | 7:06 |
| 30 | 13.2 | 5:52 | 7:06 |
| 31 | 13.3 | 5:51 | 7:07 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.14 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 6.14 kWh/m² in May across the year — May's 6.14 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.1 | Intense |
| 8 | 6.1 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.3 | Intense |
Hazard calendar for Altamira
None of Altamira's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Altamira sits in the Atlantic hurricane belt; the season peaks August–October.
Altamira's rainy season runs June–October, when most of the year's rain falls.
Is May a good time to visit Altamira?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Altamira for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Altamira in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Altamira sees daytime highs around 31°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.
Sea temperature near Altamira in May
The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 32 km away) is warmest in September at about 29°C and coldest in February near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 23 | 25 | 27 | 28 | 29 | 29 | 29 | 28 | 26 | 24 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 25 | Warm |
| May | 27 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 26 | Warm |
| Dec | 24 | Refreshing |
UV index in Altamira in May
Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Altamira peaks around April 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 9 | 12 | 8 | 12 | 10 | 12 | 10 | 9 | 7 | 6 |
| Level | High | Very high | Very high | Extreme | Very high | Extreme | Very high | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 9 | Very high |
| Apr | 12 | Extreme |
| May | 8 | Very high |
| Jun | 12 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Altamira in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Altamira is worst in May — around 27 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 13 | 15 | 20 | 27 | 23 | 24 | 18 | 15 | 11 | 10 | 13 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 20 | Moderate |
| May | 27 | Moderate |
| Jun | 23 | Moderate |
| Jul | 24 | Moderate |
| Aug | 18 | Moderate |
| Sep | 15 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 13 | Moderate |
Where is Altamira?
Altamira sits at 22.4°N, 97.9°W, 15 m above sea level, in Mexico. The nearest listed city is Miramar, 5.0 km away.
Topography around Altamira
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Altamira.
Within 3 km, the terrain around Altamira has only modest variations in elevation — a maximum elevation change of 31 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, large variations in elevation — a maximum elevation change of 904 m.
The land around Altamira is covered by artificial surfaces (32%) and water (23%) within 3 km, water (33%) and grassland (26%) within 16 km, and grassland (35%) and water (31%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Altamira (22.3931°, -97.9386°, elevation 15 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).