Mérida, Mexico experiences average highs of 32°C (90°F) and lows of 23°C (73°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. Average highs have warmed by 0.9°C (1.6°F) across the available records.
Mérida, Mexico Weather & Climate 2026
Monthly climate averages for Mérida, 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
4.9/10
Best: January, February, November, December
UV Index
8
High
Temperature 32°C / 23°C
Feels Like 36°C / 26°C
Rainy Days 10
Rainfall 57 mm
Sunshine 11 h
Humidity 71%
Wind Speed 15 km/h
Dew Point 22°C
Hottest Month
36°C
May
Avg Low25°C
Rain6days
Coldest Month
20°C
January
Avg High29°C
Rain5days
Driest Month
2days
February
Avg High31°C
Avg Low20°C
Windiest Month
17 km/h
March (Gusts 42)
Worst Time to Visit
Consider avoiding June, July, August, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:18
Daylight 13.4h
Sunset 18:42
Live conditions—
Mérida on the map · live conditions
Mérida, Mexico
- Continent
- Americas
- Country
- Mexico
- City
- Mérida
- Population
- 1.2M
- Coordinates
- 20.97°, -89.62°
Seasonal Breakdown
Spring
Mar–May
Avg High 35°C
Avg Low 23°C
Rain 4 days/mo
Summer
Jun–Aug
Avg High 34°C
Avg Low 25°C
Rain 17 days/mo
Autumn
Sep–Nov
Avg High 31°C
Avg Low 23°C
Rain 14 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 29°C
Avg Low 20°C
Rain 4 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: 29°C / 20°C . Feb: 31°C / 20°C . Mar: 33°C / 22°C . Apr: 35°C / 23°C . May: 36°C / 25°C . Jun: 34°C / 25°C . Jul: 34°C / 25°C . Aug: 34°C / 25°C . Sep: 33°C / 24°C . Oct: 31°C / 23°C . Nov: 30°C / 22°C . Dec: 29°C / 20°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 24 mm. Feb: 12 mm. Mar: 12 mm. Apr: 19 mm. May: 41 mm. Jun: 133 mm. Jul: 74 mm. Aug: 107 mm. Sep: 116 mm. Oct: 96 mm. Nov: 33 mm. Dec: 22 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 67%. Mar: 62%. Apr: 59%. May: 61%. Jun: 73%. Jul: 72%. Aug: 77%. Sep: 80%. Oct: 79%. Nov: 77%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 11 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 14 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: 10h.
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 warmed by 0.9°C (1.6°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | May 2025 · 38°C | May · 36°C |
| Coldest month | Jan 2025 · 20°C | Jan · 20°C |
| Wettest month | Sep 2025 · 178 mm | Jun · 133 mm |
| Windiest month | Apr 2025 · 19 km/h | Mar · 17 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Fair May
Poor June
Poor July
Poor August
Wet September
Wet October
Fair November best
Good December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 29°C / 20°C | 30°C / 21°C | 5days (24 mm) Good | 9h Good | 72% Muggy | 5.7 High | Excellent | View Details |
| February best | 31°C / 20°C | 32°C / 22°C | 2days (12 mm) Excellent | 9.9h Good | 67% Muggy | 7.1 Very High | Excellent | View Details |
| March | 33°C / 22°C | 35°C / 24°C | 2days (12 mm) Excellent | 10.8h Excellent | 62% Muggy | 8.3 Very High | Good | View Details |
| April | 35°C / 23°C | 38°C / 26°C | 4days (19 mm) Good | 11.6h Excellent | 59% Moderate | 8.9 Very High | Fair | View Details |
| May | 36°C / 25°C | 40°C / 29°C | 6days (41 mm) Good | 11.8h Excellent | 61% Muggy | 9 Very High | Poor | View Details |
| June | 34°C / 25°C | 39°C / 29°C | 17days (133 mm) Wet | 10.7h Excellent | 73% Muggy | 8.4 Very High | Poor | View Details |
| July | 34°C / 25°C | 40°C / 29°C | 15days (74 mm) Wet | 11.7h Excellent | 72% Muggy | 8.5 Very High | Poor | View Details |
| August | 34°C / 25°C | 40°C / 29°C | 20days (107 mm) Wet | 11.4h Excellent | 77% Humid | 8.7 Very High | Wet | View Details |
| September | 33°C / 24°C | 39°C / 29°C | 19days (116 mm) Wet | 10.9h Excellent | 80% Humid | 8.3 Very High | Wet | View Details |
| October | 31°C / 23°C | 36°C / 27°C | 15days (96 mm) Wet | 9.9h Good | 79% Humid | 7 High | Fair | View Details |
| November best | 30°C / 22°C | 33°C / 25°C | 7days (33 mm) Good | 9.9h Good | 77% Humid | 5.9 High | Good | View Details |
| December best | 29°C / 20°C | 31°C / 23°C | 5days (22 mm) Good | 9.5h Good | 74% Muggy | 5.5 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Mérida are January, February, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Mérida, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Mérida is May, with average daytime highs of 36°C (97°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Mérida is January, with average overnight lows of 20°C (67°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Mérida is June, averaging 133mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Mérida runs through August, September, June, July, with the heaviest rainfall in August. Based on 10-year averages for Mérida.
Mérida receives approximately 127 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Mérida.
The least favorable months to visit Mérida are June, July, August, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, November, December instead.
The annual average UV index in Mérida is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Mérida is 71%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Mérida are 15 km/h (9 mph). The windiest month is March with peak winds reaching 17 km/h (11 mph) (gusts up to 42 km/h / 26 mph).
Mérida averages 5 clear-sky days per month with overall cloud cover around 47%. The clearest skies occur in March.
The annual average dew point in Mérida is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Mérida has a Hot Semi-Arid climate, classified as BSh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Mérida ranges from 26°C (79°F) to 36°C (97°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 Mérida, with a climate score of 1.3/10. Consider visiting during January, February, November, December instead for better conditions.
For June in Mérida, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 34°C (93°F) and 17 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.
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