Mazatlan weather in May
In May, Mazatlan sees average daytime highs of 27°C and overnight lows near 23°C, with 1 mm of rain across 0.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 26°C in the first days to 27°C by the end. The sky is clear or mostly clear about 76% of the time in May, and the air most often feels oppressive.
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 Mazatlan's 1st-clearest and 5th-windiest month. For the whole year in context, see Mazatlan's year-round climate.
- Daytime high
- 27°
- 7th warmest
- Overnight low
- 23°
- 7th coldest
- Rainfall
- 1 mm
- 0.2 wet days
- Daylight
- 13 h 06 min
- 5:28 AM – 6:35 PM
- Cloud cover
- 23%
- 1st clearest
- Wind
- 11 km/h
- 5th windiest
- Solar energy
- 7.73 kWh/m²
- Travel score
- 8.8
- out of 10
Mazatlan is municipal seat of Mazatlán, State of Sinaloa, Mexico.
- Founded
- 1531
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 26°C in the first days to 27°C by the end.
A typical May day in Mazatlan reaches about 27°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than 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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 22 |
| 2 | 26 | 22 |
| 3 | 26 | 22 |
| 4 | 26 | 22 |
| 5 | 26 | 22 |
| 6 | 26 | 22 |
| 7 | 26 | 22 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 23 |
| 11 | 26 | 23 |
| 12 | 26 | 23 |
| 13 | 26 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 23 |
| 18 | 27 | 24 |
| 19 | 27 | 24 |
| 20 | 27 | 24 |
| 21 | 27 | 24 |
| 22 | 27 | 24 |
| 23 | 27 | 24 |
| 24 | 27 | 24 |
| 25 | 27 | 24 |
| 26 | 27 | 24 |
| 27 | 27 | 24 |
| 28 | 27 | 24 |
| 29 | 27 | 25 |
| 30 | 27 | 25 |
| 31 | 27 | 25 |
How May really feels in Mazatlan
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mazatlan weather by month
How May compares with the rest of the year at a glance. May is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 19° | 15 | 1.5 | 10.7 | 8.6 |
| Feb | 23° / 19° | 15 | 1.2 | 11.2 | 8.7 |
| Mar | 23° / 20° | 3 | 0.4 | 11.8 | 9.0 |
| Apr | 25° / 21° | 1 | 0.2 | 12.5 | 9.0 |
| May | 27° / 23° | 1 | 0.2 | 13.1 | 8.8 |
| Jun | 29° / 26° | 25 | 3.1 | 13.4 | 7.2 |
| Jul | 30° / 27° | 132 | 14.3 | 13.3 | 4.5 |
| Aug | 30° / 27° | 184 | 18.8 | 12.8 | 3.9 |
| Sep | 30° / 27° | 205 | 19 | 12.1 | 4.0 |
| Oct | 29° / 26° | 65 | 6.7 | 11.5 | 6.3 |
| Nov | 27° / 23° | 35 | 2 | 10.9 | 8.3 |
| Dec | 24° / 20° | 9 | 1.4 | 10.6 | 8.6 |
Cloud cover in May
The sky is clear or mostly clear about 76% of the time in May, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 15%. 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 (%) | 78 | 78 | 79 | 80 | 81 | 81 | 82 | 83 | 83 | 83 | 83 | 84 | 85 | 85 | 84 | 85 | 85 | 85 | 86 | 86 | 86 | 87 | 87 | 89 | 89 | 89 | 90 | 90 | 91 | 91 | 92 |
| Cloudier (%) | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 16 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 78 | 22 |
| 2 | 78 | 22 |
| 3 | 79 | 21 |
| 4 | 80 | 20 |
| 5 | 81 | 19 |
| 6 | 81 | 19 |
| 7 | 82 | 18 |
| 8 | 83 | 17 |
| 9 | 83 | 17 |
| 10 | 83 | 17 |
| 11 | 83 | 17 |
| 12 | 84 | 16 |
| 13 | 85 | 15 |
| 14 | 85 | 15 |
| 15 | 84 | 16 |
| 16 | 85 | 15 |
| 17 | 85 | 15 |
| 18 | 85 | 15 |
| 19 | 86 | 14 |
| 20 | 86 | 14 |
| 21 | 86 | 14 |
| 22 | 87 | 13 |
| 23 | 87 | 13 |
| 24 | 89 | 11 |
| 25 | 89 | 11 |
| 26 | 89 | 11 |
| 27 | 90 | 10 |
| 28 | 90 | 10 |
| 29 | 91 | 9 |
| 30 | 91 | 9 |
| 31 | 92 | 8 |
Chance of precipitation in May
Mazatlan gets around 1 mm of rain over 0.2 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.
| 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 1 |
| 31 | 1 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 98% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 7 | 7 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 75 | 73 | 72 | 70 | 69 | 67 | 65 | 64 | 61 | 60 | 58 | 55 | 53 | 52 | 49 | 47 | 45 | 43 | 41 | 39 | 37 | 35 | 34 | 32 | 30 | 29 | 27 | 25 | 23 | 22 | 20 |
| Oppressive (%) | 18 | 20 | 22 | 24 | 26 | 29 | 31 | 33 | 36 | 38 | 40 | 43 | 45 | 47 | 49 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 65 | 67 | 69 | 69 | 71 | 73 | 74 | 74 | 76 |
| Miserable (%) | 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 | 2 | 2 | 2 | 3 | 4 | 4 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 7 | 75 | 18 | 0 |
| 2 | 7 | 73 | 20 | 0 |
| 3 | 6 | 72 | 22 | 0 |
| 4 | 6 | 70 | 24 | 0 |
| 5 | 5 | 69 | 26 | 0 |
| 6 | 4 | 67 | 29 | 0 |
| 7 | 4 | 65 | 31 | 0 |
| 8 | 3 | 64 | 33 | 0 |
| 9 | 3 | 61 | 36 | 0 |
| 10 | 2 | 60 | 38 | 0 |
| 11 | 2 | 58 | 40 | 0 |
| 12 | 2 | 55 | 43 | 0 |
| 13 | 2 | 53 | 45 | 0 |
| 14 | 1 | 52 | 47 | 0 |
| 15 | 1 | 49 | 49 | 0 |
| 16 | 1 | 47 | 52 | 0 |
| 17 | 1 | 45 | 54 | 0 |
| 18 | 1 | 43 | 56 | 0 |
| 19 | 1 | 41 | 58 | 0 |
| 20 | 1 | 39 | 60 | 0 |
| 21 | 1 | 37 | 62 | 0 |
| 22 | 0 | 35 | 64 | 1 |
| 23 | 0 | 34 | 65 | 1 |
| 24 | 0 | 32 | 67 | 1 |
| 25 | 0 | 30 | 69 | 1 |
| 26 | 0 | 29 | 69 | 2 |
| 27 | 0 | 27 | 71 | 2 |
| 28 | 0 | 25 | 73 | 2 |
| 29 | 0 | 23 | 74 | 3 |
| 30 | 0 | 22 | 74 | 4 |
| 31 | 0 | 20 | 76 | 4 |
Wind in May
Winds average 11 km/h in May.
Across May, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | 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 5:37 AM to 5:24 AM, and sunset from 6:28 PM to 6:42 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 | 12.9 | 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 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 |
| Sunrise (AM) | 5:37 | 5:37 | 5:36 | 5:35 | 5:35 | 5:34 | 5:33 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 | 5:30 | 5:29 | 5:29 | 5:28 | 5:28 | 5:28 | 5:27 | 5:27 | 5:26 | 5:26 | 5:26 | 5:25 | 5:25 | 5:25 | 5:25 | 5:24 | 5:24 | 5:24 | 5:24 |
| Sunset (PM) | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 5:37 | 6:28 |
| 2 | 12.9 | 5:37 | 6:29 |
| 3 | 12.9 | 5:36 | 6:29 |
| 4 | 12.9 | 5:35 | 6:30 |
| 5 | 12.9 | 5:35 | 6:30 |
| 6 | 12.9 | 5:34 | 6:31 |
| 7 | 13.0 | 5:33 | 6:31 |
| 8 | 13.0 | 5:33 | 6:32 |
| 9 | 13.0 | 5:32 | 6:32 |
| 10 | 13.0 | 5:32 | 6:33 |
| 11 | 13.0 | 5:31 | 6:33 |
| 12 | 13.0 | 5:30 | 6:33 |
| 13 | 13.1 | 5:30 | 6:34 |
| 14 | 13.1 | 5:29 | 6:34 |
| 15 | 13.1 | 5:29 | 6:35 |
| 16 | 13.1 | 5:28 | 6:35 |
| 17 | 13.1 | 5:28 | 6:36 |
| 18 | 13.1 | 5:28 | 6:36 |
| 19 | 13.2 | 5:27 | 6:37 |
| 20 | 13.2 | 5:27 | 6:37 |
| 21 | 13.2 | 5:26 | 6:38 |
| 22 | 13.2 | 5:26 | 6:38 |
| 23 | 13.2 | 5:26 | 6:39 |
| 24 | 13.2 | 5:25 | 6:39 |
| 25 | 13.2 | 5:25 | 6:40 |
| 26 | 13.3 | 5:25 | 6:40 |
| 27 | 13.3 | 5:25 | 6:41 |
| 28 | 13.3 | 5:24 | 6:41 |
| 29 | 13.3 | 5:24 | 6:41 |
| 30 | 13.3 | 5:24 | 6:42 |
| 31 | 13.3 | 5:24 | 6:42 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 7.73 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 7.73 kWh/m² in May across the year — May's 7.73 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) | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 |
| 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 | 7.7 | Intense |
| 2 | 7.7 | Intense |
| 3 | 7.7 | Intense |
| 4 | 7.7 | Intense |
| 5 | 7.7 | Intense |
| 6 | 7.7 | Intense |
| 7 | 7.7 | Intense |
| 8 | 7.8 | Intense |
| 9 | 7.8 | Intense |
| 10 | 7.8 | Intense |
| 11 | 7.8 | Intense |
| 12 | 7.8 | Intense |
| 13 | 7.8 | Intense |
| 14 | 7.8 | Intense |
| 15 | 7.8 | Intense |
| 16 | 7.8 | Intense |
| 17 | 7.7 | Intense |
| 18 | 7.7 | Intense |
| 19 | 7.7 | Intense |
| 20 | 7.7 | Intense |
| 21 | 7.7 | Intense |
| 22 | 7.7 | Intense |
| 23 | 7.7 | Intense |
| 24 | 7.7 | Intense |
| 25 | 7.6 | Intense |
| 26 | 7.6 | Intense |
| 27 | 7.6 | Intense |
| 28 | 7.6 | Intense |
| 29 | 7.5 | Intense |
| 30 | 7.5 | Intense |
| 31 | 7.5 | Intense |
Hazard calendar for Mazatlan
In May, Mazatlan sits inside its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Mazatlan sits in the eastern Pacific hurricane zone; the season peaks August–September.
Mazatlan's monsoon runs July–September, when most of the year's rain falls.
Is May a good time to visit Mazatlan?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Mazatlan for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mazatlan in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Mazatlan sees daytime highs around 27°C and nights near 23°C. Pack sun protection. Worth having: light clothes.
Sea temperature near Mazatlan in May
The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 30°C and coldest in March 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) | 23 | 23 | 22 | 23 | 26 | 28 | 29 | 30 | 30 | 30 | 27 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Mazatlan 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 Mazatlan peaks around May 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 10 | 12 | 12 | 12 | 12 | 11 | 11 | 8 | 6 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 6 | High |
Where is Mazatlan?
Mazatlan sits at 23.2°N, 106.4°W, 1 m above sea level, in Mexico. The nearest listed city is El Rosario, 63 km away.
Topography around Mazatlan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mazatlan.
Within 3 km, the terrain around Mazatlan has only modest variations in elevation — a maximum elevation change of 80 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 302 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,594 m.
The land around Mazatlan is covered by artificial surfaces (55%) and water (36%) within 3 km, water (52%) and trees (23%) within 16 km, and trees (51%) and water (36%) 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 Mazatlan (23.2216°, -106.4189°, elevation 1 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).