Cihuatlán weather in May
In May, Cihuatlán sees average daytime highs of 31°C and overnight lows near 21°C, with 6 mm of rain across 1.2 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 10th-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 64% of the time in May, and the air most often feels muggy.
Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Cihuatlán's 4th-clearest and 1st-windiest month. For the whole year in context, see Cihuatlán's year-round climate.
- Daytime high
- 31°
- 1st warmest
- Overnight low
- 21°
- 7th coldest
- Rainfall
- 6 mm
- 1.2 wet days
- Daylight
- 12 h 54 min
- 6:27 AM – 7:22 PM
- Cloud cover
- 33%
- 4th clearest
- Wind
- 6 km/h
- 1st windiest
- Solar energy
- 7.3 kWh/m²
- Travel score
- 5.9
- out of 10
Cihuatlán is municipal seat of Cihuatlán, State of Jalisco, Mexico.
- Density
- 8,028/km²
- people per km²
- Founded
- 1867
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 Cihuatlán reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs about 1°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 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 20 |
| 2 | 30 | 20 |
| 3 | 30 | 20 |
| 4 | 30 | 20 |
| 5 | 30 | 20 |
| 6 | 30 | 20 |
| 7 | 30 | 20 |
| 8 | 31 | 20 |
| 9 | 31 | 20 |
| 10 | 31 | 20 |
| 11 | 31 | 21 |
| 12 | 31 | 21 |
| 13 | 31 | 21 |
| 14 | 31 | 21 |
| 15 | 31 | 21 |
| 16 | 31 | 21 |
| 17 | 31 | 21 |
| 18 | 31 | 21 |
| 19 | 31 | 21 |
| 20 | 31 | 21 |
| 21 | 31 | 21 |
| 22 | 31 | 21 |
| 23 | 31 | 22 |
| 24 | 31 | 22 |
| 25 | 31 | 22 |
| 26 | 31 | 22 |
| 27 | 31 | 22 |
| 28 | 31 | 22 |
| 29 | 31 | 22 |
| 30 | 31 | 22 |
| 31 | 31 | 22 |
How May really feels in Cihuatlán
Once humidity and wind are folded in, May averages 22 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.
Cihuatlán weather by month
How May compares with the rest of the year at a glance. May is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 17° | 20 | 1.3 | 11 | 7.4 |
| Feb | 28° / 18° | 15 | 0.8 | 11.3 | 7.5 |
| Mar | 29° / 18° | 6 | 0.4 | 11.9 | 7.4 |
| Apr | 30° / 19° | 1 | 0.1 | 12.4 | 6.8 |
| May | 31° / 21° | 6 | 1.2 | 12.9 | 5.9 |
| Jun | 31° / 23° | 156 | 15.1 | 13.1 | 4.1 |
| Jul | 31° / 24° | 194 | 21.8 | 13 | 3.3 |
| Aug | 30° / 24° | 266 | 24.6 | 12.7 | 3.2 |
| Sep | 30° / 24° | 295 | 25.5 | 12.1 | 3.2 |
| Oct | 30° / 23° | 168 | 19.8 | 11.6 | 4.1 |
| Nov | 29° / 21° | 26 | 4.4 | 11.1 | 6.3 |
| Dec | 29° / 18° | 12 | 1.7 | 10.9 | 7.1 |
Cloud cover in May
The sky is clear or mostly clear about 64% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 23%.
| 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 (%) | 75 | 75 | 75 | 75 | 76 | 76 | 77 | 77 | 78 | 78 | 78 | 78 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 78 | 78 | 77 | 76 | 75 | 74 | 73 | 72 | 70 | 69 |
| Cloudier (%) | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 31 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 75 | 25 |
| 2 | 75 | 25 |
| 3 | 75 | 25 |
| 4 | 75 | 25 |
| 5 | 76 | 24 |
| 6 | 76 | 24 |
| 7 | 77 | 23 |
| 8 | 77 | 23 |
| 9 | 78 | 22 |
| 10 | 78 | 22 |
| 11 | 78 | 22 |
| 12 | 78 | 22 |
| 13 | 79 | 21 |
| 14 | 79 | 21 |
| 15 | 80 | 20 |
| 16 | 80 | 20 |
| 17 | 80 | 20 |
| 18 | 80 | 20 |
| 19 | 80 | 20 |
| 20 | 79 | 21 |
| 21 | 79 | 21 |
| 22 | 78 | 22 |
| 23 | 78 | 22 |
| 24 | 77 | 23 |
| 25 | 76 | 24 |
| 26 | 75 | 25 |
| 27 | 74 | 26 |
| 28 | 73 | 27 |
| 29 | 72 | 28 |
| 30 | 70 | 30 |
| 31 | 69 | 31 |
Chance of precipitation in May
Cihuatlán gets around 6 mm of rain over 1.2 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 5% and peaks near 16% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 14 | 16 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 2 |
| 14 | 2 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 4 |
| 20 | 4 |
| 21 | 5 |
| 22 | 6 |
| 23 | 6 |
| 24 | 7 |
| 25 | 8 |
| 26 | 9 |
| 27 | 10 |
| 28 | 12 |
| 29 | 13 |
| 30 | 14 |
| 31 | 16 |
Humidity in May
Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 80% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Humid (%) | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 5 |
| Muggy (%) | 54 | 56 | 57 | 58 | 59 | 60 | 60 | 61 | 62 | 62 | 61 | 61 | 61 | 60 | 60 | 59 | 58 | 56 | 55 | 55 | 54 | 53 | 52 | 51 | 49 | 48 | 47 | 46 | 45 | 43 | 42 |
| Oppressive (%) | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | 17 | 19 | 20 | 22 | 24 | 27 | 29 | 31 | 33 | 35 | 37 | 39 | 41 | 43 | 44 | 46 | 48 | 50 | 51 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 7 | 33 | 54 | 6 | 0 |
| 2 | 6 | 32 | 56 | 6 | 0 |
| 3 | 6 | 31 | 57 | 6 | 0 |
| 4 | 5 | 30 | 58 | 7 | 0 |
| 5 | 5 | 29 | 59 | 7 | 0 |
| 6 | 4 | 28 | 60 | 8 | 0 |
| 7 | 4 | 27 | 60 | 9 | 0 |
| 8 | 4 | 25 | 61 | 10 | 0 |
| 9 | 3 | 24 | 62 | 11 | 0 |
| 10 | 3 | 23 | 62 | 12 | 0 |
| 11 | 3 | 22 | 61 | 14 | 0 |
| 12 | 3 | 21 | 61 | 15 | 0 |
| 13 | 2 | 20 | 61 | 17 | 0 |
| 14 | 2 | 19 | 60 | 19 | 0 |
| 15 | 2 | 18 | 60 | 20 | 0 |
| 16 | 2 | 17 | 59 | 22 | 0 |
| 17 | 2 | 16 | 58 | 24 | 0 |
| 18 | 2 | 15 | 56 | 27 | 0 |
| 19 | 2 | 14 | 55 | 29 | 0 |
| 20 | 1 | 13 | 55 | 31 | 0 |
| 21 | 1 | 12 | 54 | 33 | 0 |
| 22 | 1 | 11 | 53 | 35 | 0 |
| 23 | 1 | 10 | 52 | 37 | 0 |
| 24 | 1 | 9 | 51 | 39 | 0 |
| 25 | 1 | 9 | 49 | 41 | 1 |
| 26 | 1 | 8 | 48 | 43 | 1 |
| 27 | 1 | 7 | 47 | 44 | 1 |
| 28 | 0 | 6 | 46 | 46 | 1 |
| 29 | 0 | 6 | 45 | 48 | 1 |
| 30 | 0 | 5 | 43 | 50 | 2 |
| 31 | 0 | 5 | 42 | 51 | 2 |
Wind in May
Winds average 6 km/h in May, the windiest month of the year.
Across May, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over May. Sunrise moves from 6:35 AM to 6:24 AM, and sunset from 7:16 PM to 7:28 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) | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 |
| Sunrise (AM) | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:32 | 6:31 | 6:31 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 | 6:28 | 6:28 | 6:27 | 6:27 | 6:27 | 6:26 | 6:26 | 6:26 | 6:25 | 6:25 | 6:25 | 6:25 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 |
| Sunset (PM) | 7:16 | 7:17 | 7:17 | 7:17 | 7:18 | 7:18 | 7:18 | 7:19 | 7:19 | 7:19 | 7:20 | 7:20 | 7:21 | 7:21 | 7:21 | 7:22 | 7:22 | 7:22 | 7:23 | 7:23 | 7:24 | 7:24 | 7:24 | 7:25 | 7:25 | 7:26 | 7:26 | 7:26 | 7:27 | 7:27 | 7:28 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 6:35 | 7:16 |
| 2 | 12.7 | 6:34 | 7:17 |
| 3 | 12.7 | 6:34 | 7:17 |
| 4 | 12.7 | 6:33 | 7:17 |
| 5 | 12.8 | 6:32 | 7:18 |
| 6 | 12.8 | 6:32 | 7:18 |
| 7 | 12.8 | 6:31 | 7:18 |
| 8 | 12.8 | 6:31 | 7:19 |
| 9 | 12.8 | 6:30 | 7:19 |
| 10 | 12.8 | 6:30 | 7:19 |
| 11 | 12.8 | 6:29 | 7:20 |
| 12 | 12.9 | 6:29 | 7:20 |
| 13 | 12.9 | 6:29 | 7:21 |
| 14 | 12.9 | 6:28 | 7:21 |
| 15 | 12.9 | 6:28 | 7:21 |
| 16 | 12.9 | 6:27 | 7:22 |
| 17 | 12.9 | 6:27 | 7:22 |
| 18 | 12.9 | 6:27 | 7:22 |
| 19 | 12.9 | 6:26 | 7:23 |
| 20 | 13.0 | 6:26 | 7:23 |
| 21 | 13.0 | 6:26 | 7:24 |
| 22 | 13.0 | 6:25 | 7:24 |
| 23 | 13.0 | 6:25 | 7:24 |
| 24 | 13.0 | 6:25 | 7:25 |
| 25 | 13.0 | 6:25 | 7:25 |
| 26 | 13.0 | 6:24 | 7:26 |
| 27 | 13.0 | 6:24 | 7:26 |
| 28 | 13.0 | 6:24 | 7:26 |
| 29 | 13.0 | 6:24 | 7:27 |
| 30 | 13.1 | 6:24 | 7:27 |
| 31 | 13.1 | 6:24 | 7:28 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.3 kWh/m².
For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 7.4 kWh/m² in April across the year — May's 7.3 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) | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.1 | 7.1 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 | 6.7 | 6.6 |
| 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 | 7.5 | Intense |
| 2 | 7.5 | Intense |
| 3 | 7.5 | Intense |
| 4 | 7.5 | Intense |
| 5 | 7.5 | Intense |
| 6 | 7.5 | Intense |
| 7 | 7.5 | Intense |
| 8 | 7.5 | Intense |
| 9 | 7.5 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.4 | Intense |
| 12 | 7.4 | Intense |
| 13 | 7.4 | Intense |
| 14 | 7.4 | Intense |
| 15 | 7.4 | Intense |
| 16 | 7.3 | Intense |
| 17 | 7.3 | Intense |
| 18 | 7.3 | Intense |
| 19 | 7.3 | Intense |
| 20 | 7.2 | Intense |
| 21 | 7.2 | Intense |
| 22 | 7.1 | Intense |
| 23 | 7.1 | Intense |
| 24 | 7.0 | Intense |
| 25 | 7.0 | Intense |
| 26 | 6.9 | Intense |
| 27 | 6.9 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.7 | Intense |
| 31 | 6.6 | Intense |
Hazard calendar for Cihuatlán
In May, Cihuatlán sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Cihuatlán sits in the eastern Pacific hurricane zone; the season peaks August–September.
Cihuatlán's monsoon runs June–October, when most of the year's rain falls.
Is May a good time to visit Cihuatlán?
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 Cihuatlán for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cihuatlán in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Cihuatlán sees daytime highs around 31°C and nights near 21°C. Pack light clothes and sun protection.
Sea temperature near Cihuatlán 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 14 km away) is warmest in August at about 30°C and coldest in April near 25°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) | 27 | 26 | 25 | 25 | 27 | 28 | 30 | 30 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 27 | Warm |
| Jun | 28 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Cihuatlán in May
Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cihuatlán peaks around May 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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) | 8 | 10 | 12 | 12 | 12 | 10 | 11 | 9 | 11 | 8 | 7 | 6 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Cihuatlán 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 Cihuatlán is worst in May — around 48 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (February, 9 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) | 10 | 9 | 10 | 20 | 48 | 20 | 12 | 10 | 10 | 10 | 10 | 10 |
| Level | Good | Good | Good | Moderate | Poor | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 20 | Moderate |
| May | 48 | Poor |
| Jun | 20 | Moderate |
| Jul | 12 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Cihuatlán?
Cihuatlán sits at 19.2°N, 104.6°W, 29 m above sea level, in Mexico. The nearest listed city is Manzanillo, 27 km away.
Topography around Cihuatlán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cihuatlán.
Within 3 km, the terrain around Cihuatlán has significant variations in elevation — a maximum elevation change of 318 m around an average of 78 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 880 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,867 m.
The land around Cihuatlán is covered by trees (72%) within 3 km, trees (60%) within 16 km, and trees (51%) and water (34%) 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 Cihuatlán (19.2366°, -104.5651°, elevation 29 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).