Atasta, Mexico experiences average highs of 29°C (84°F) and lows of 25°C (77°F) throughout the year. Rainfall is moderate, averaging about 12 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Atasta, Mexico Weather & Climate 2026
Monthly climate averages for Atasta, Mexico. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.2/10
Best: January, February, December
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 34°C / 28°C
Rainy Days 12
Rainfall 100 mm
Sunshine 11 h
Humidity 76%
Wind Speed 20 km/h
Dew Point 23°C
Hottest Month
33°C
May
Avg Low28°C
Rain6days
Coldest Month
23°C
January
Avg High26°C
Rain8days
Driest Month
3days
April
Avg High31°C
Avg Low26°C
Windiest Month
23 km/h
April (Gusts 41)
Sea Temperature
26°C – 31°C
Warmest water: September (
31.4°C
)
Worst Time to Visit
Consider avoiding June, July, August, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:33
Daylight 13.2h
Sunset 18:48
Live conditions—
Atasta on the map · live conditions
Atasta, Mexico
- Continent
- Americas
- Country
- Mexico
- City
- Atasta
- Population
- 2.5K
- Coordinates
- 18.62°, -92.10°
Seasonal Breakdown
Spring
Mar–May
Avg High 31°C
Avg Low 26°C
Rain 5 days/mo
Summer
Jun–Aug
Avg High 31°C
Avg Low 27°C
Rain 17 days/mo
Autumn
Sep–Nov
Avg High 29°C
Avg Low 25°C
Rain 19 days/mo
Winter
Dec–Feb
Avg High 27°C
Avg Low 23°C
Rain 7 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 26°C / 23°C . Feb: 27°C / 23°C . Mar: 30°C / 25°C . Apr: 31°C / 26°C . May: 33°C / 28°C . Jun: 31°C / 27°C . Jul: 31°C / 27°C . Aug: 31°C / 27°C . Sep: 30°C / 26°C . Oct: 29°C / 25°C . Nov: 27°C / 24°C . Dec: 27°C / 23°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 50 mm. Feb: 35 mm. Mar: 27 mm. Apr: 22 mm. May: 42 mm. Jun: 219 mm. Jul: 91 mm. Aug: 126 mm. Sep: 220 mm. Oct: 213 mm. Nov: 100 mm. Dec: 56 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 75%. Mar: 71%. Apr: 70%. May: 69%. Jun: 78%. Jul: 76%. Aug: 79%. Sep: 82%. Oct: 81%. Nov: 79%. Dec: 78%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 22 km/h . Mar: 23 km/h . Apr: 23 km/h . May: 22 km/h . Jun: 20 km/h . Jul: 21 km/h . Aug: 19 km/h . Sep: 17 km/h . Oct: 16 km/h . Nov: 17 km/h . Dec: 18 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 10h. Mar: 11h. Apr: 12h. May: 12h. Jun: 11h. Jul: 12h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 10h. Dec: 9h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 26°C . Feb: 26°C . Mar: 28°C . Apr: 29°C . May: 31°C . Jun: 31°C . Jul: 31°C . Aug: 31°C . Sep: 31°C . Oct: 30°C . Nov: 28°C . Dec: 27°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 6. Feb: UV 7. Mar: UV 8. Apr: UV 9. May: UV 9. Jun: UV 8. Jul: UV 9. Aug: UV 9. Sep: UV 8. Oct: UV 7. Nov: UV 6. Dec: UV 6.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 18 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | May 2025 · 33°C | May · 33°C |
| Coldest month | Jan 2025 · 23°C | Jan · 23°C |
| Wettest month | Sep 2025 · 298 mm | Sep · 220 mm |
| Windiest month | Apr 2025 · 26 km/h | Apr · 23 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Fair May
Poor June
Wet July
Poor August
Wet September
Wet October
Wet November
Good December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 23°C | 29°C / 24°C | 8days (50 mm) Wet | 9.3h Good | 77% Humid | 5.7 High | Excellent | View Details |
| February best | 27°C / 23°C | 31°C / 24°C | 5days (35 mm) Good | 10.2h Excellent | 75% Muggy | 7.2 Very High | Excellent | View Details |
| March | 30°C / 25°C | 34°C / 26°C | 5days (27 mm) Good | 10.9h Excellent | 71% Muggy | 8.3 Very High | Good | View Details |
| April | 31°C / 26°C | 37°C / 28°C | 3days (22 mm) Excellent | 11.6h Excellent | 70% Muggy | 8.6 Very High | Fair | View Details |
| May | 33°C / 28°C | 39°C / 31°C | 6days (42 mm) Good | 11.7h Excellent | 69% Muggy | 8.8 Very High | Poor | View Details |
| June | 31°C / 27°C | 37°C / 30°C | 18days (219 mm) Wet | 10.6h Excellent | 78% Humid | 7.9 Very High | Wet | View Details |
| July | 31°C / 27°C | 37°C / 30°C | 14days (91 mm) Wet | 11.7h Excellent | 76% Humid | 8.5 Very High | Poor | View Details |
| August | 31°C / 27°C | 37°C / 31°C | 20days (126 mm) Wet | 11.3h Excellent | 79% Humid | 8.7 Very High | Wet | View Details |
| September | 30°C / 26°C | 37°C / 31°C | 23days (220 mm) Wet | 10.7h Excellent | 82% Humid | 8.2 Very High | Wet | View Details |
| October | 29°C / 25°C | 34°C / 29°C | 20days (213 mm) Wet | 9.8h Good | 81% Humid | 7.2 Very High | Wet | View Details |
| November | 27°C / 24°C | 31°C / 27°C | 14days (100 mm) Wet | 9.7h Good | 79% Humid | 6.3 High | Good | View Details |
| December best | 27°C / 23°C | 30°C / 25°C | 9days (56 mm) Wet | 9.4h Good | 78% Humid | 5.6 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Atasta are January, February, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Atasta, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Atasta is May, with average daytime highs of 33°C (91°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Atasta is January, with average overnight lows of 23°C (73°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Atasta is September, averaging 220mm of precipitation across 23 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Atasta runs through September, August, October, June, with the heaviest rainfall in September. Based on 10-year averages for Atasta.
Atasta receives approximately 127 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Atasta.
The least favorable months to visit Atasta are June, July, August, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, December instead.
The annual average UV index in Atasta is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Atasta is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Atasta are 20 km/h (12 mph). The windiest month is April with peak winds reaching 23 km/h (14 mph) (gusts up to 41 km/h / 25 mph).
Atasta averages 7 clear-sky days per month with overall cloud cover around 49%. The clearest skies occur in March.
The annual average dew point in Atasta is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Atasta has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Atasta ranges from 28°C (82°F) to 34°C (93°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Atasta, with a climate score of 2.5/10. Consider visiting during January, February, December instead for better conditions.
For June in Atasta, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 31°C (88°F) and 18 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: