Merida, Mexico Climate & Monthly Averages

Mexico 🇲🇽 · tropical wet-and-dry climate
Annual avg
80°
Hottest month
May
Coldest month
January
Rainy days / yr
117
Sunshine
10.6 h/day
Right now: 88° and partly cloudy - see live conditions

The climate of Merida

Located in Mexico, Merida experiences a tropical wet-and-dry climate with year-round warmth split between a rainy season and a pronounced dry season. Afternoon temperatures peak near 97°F (36°C) in May and dip to about 83°F (28°C) in January, with around 29.1 inches (740 mm) of precipitation falling across the year.

Climate quick facts

  • Hottest month: May - highs near 97°F (36°C)
  • Coldest month: January - highs near 83°F (28°C)
  • Record high: 109°F (43°C) · Record low: 54°F (12°C) (2015–2024)
  • Wettest month: June (16 rainy days) · Sunniest: May (11.7 h sun/day)
  • Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season

Temperatures through the year

The warmest stretch of the year centers on May. Highs average 97°F (36°C) and overnight lows stay near 76°F (24°C). The coolest month is January, with typical highs of 83°F (28°C) and lows around 66°F (19°C). Based on 2015–2024 weather data, temperatures have reached as high as 109°F (43°C) and dropped as low as 54°F (12°C).

Rain, sun and snow

June is usually the wettest month. It brings about 5.9 inches (151 mm) of rain over 16 days, while March is the driest. May brings the most sunshine, averaging 11.7 hours of sun a day.

Monthly climate table

Monthly averages for Merida based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 83° 66° 5 1.0 in 9.0 h/day 74%
February 86° 67° 3 0.8 in 10.3 h/day 70%
March 91° 70° 3 0.6 in 11.2 h/day 65%
April 96° 73° 4 0.8 in 11.6 h/day 63%
May 97° 76° 6 1.7 in 11.7 h/day 64%
June 93° 76° 16 5.9 in 10.6 h/day 76%
July 94° 76° 13 2.7 in 11.4 h/day 75%
August 93° 76° 17 4.2 in 11.1 h/day 79%
September 92° 75° 18 4.0 in 11.0 h/day 81%
October 89° 73° 15 4.4 in 10.0 h/day 80%
November 86° 70° 9 1.8 in 10.2 h/day 78%
December 84° 68° 6 1.2 in 9.3 h/day 76%

Merida month by month

Merida weather in January

January brings highs around 83°F (28°C), lows near 66°F (19°C), about 5 wet days - typically the coldest month of the year in Merida.

Merida weather in February

February brings highs around 86°F (30°C), lows near 67°F (20°C), about 3 wet days.

Merida weather in March

March brings highs around 91°F (33°C), lows near 70°F (21°C), about 3 wet days - typically the driest month of the year in Merida.

Merida weather in April

April brings highs around 96°F (35°C), lows near 73°F (23°C), about 4 wet days.

Merida weather in May

May brings highs around 97°F (36°C), lows near 76°F (24°C), about 6 wet days - typically the hottest month and the sunniest month of the year in Merida.

Merida weather in June

June brings highs around 93°F (34°C), lows near 76°F (24°C), about 16 wet days - typically the wettest month of the year in Merida.

Merida weather in July

July brings highs around 94°F (34°C), lows near 76°F (24°C), about 13 wet days.

Merida weather in August

August brings highs around 93°F (34°C), lows near 76°F (24°C), about 17 wet days.

Merida weather in September

September brings highs around 92°F (33°C), lows near 75°F (24°C), about 18 wet days.

Merida weather in October

October brings highs around 89°F (32°C), lows near 73°F (23°C), about 15 wet days.

Merida weather in November

November brings highs around 86°F (30°C), lows near 70°F (21°C), about 9 wet days.

Merida weather in December

December brings highs around 84°F (29°C), lows near 68°F (20°C), about 6 wet days.

Seasons in Merida

March through May

March through May in Merida turns very hot, with daytime highs averaging 95°F (35°C) and nights around 73°F (23°C); rain falls on about 13 days over the three months. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.

June through August

June through August in Merida turns very hot, with daytime highs averaging 93°F (34°C) and nights around 76°F (24°C); expect showers on roughly 46 days across the season.

September through November

September through November in Merida runs hot, with daytime highs averaging 89°F (32°C) and nights around 73°F (23°C); expect showers on roughly 43 days across the season.

December through February

December through February in Merida brings hot afternoons, with daytime highs averaging 84°F (29°C) and nights around 67°F (20°C); rain falls on about 15 days over the three months.

Climate questions, answered

What is the average temperature in Merida?
The year-round mean is 80°F (26°C). Days typically reach 90°F (32°C) and nights settle near 72°F (22°C).
Is Merida hot in summer?
Very. Expect May highs around 97°F (36°C), and the past decade has pushed as far as 109°F (43°C).
Is Merida cold in winter?
Cold never really arrives: January, the coolest month, keeps nights around 66°F (19°C).
How many rainy days does Merida get in a year?
Count on around 117 days of rain or snow annually - concentrated in June, sparsest in March.

Best time to visit Merida

The best time to visit Merida is generally December to March, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 86°F (30°C).

Pack for Merida with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - May nights average 76°F (24°C).

Merida temperature records (2015-2024)

Highest recorded
109°
in May
Lowest recorded
54°
in January
Annual precipitation
29.1"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.