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Mérida, Yucatán Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Mérida, Yucatán?
Mérida, Yucatán gets 732 mm of precipitation a year over about 67 rainy days. May is the warmest month (average high 38°C) and January the coldest (average low 17°C).
Semi-arid climate
Mérida, Yucatán has hot summers and hot winters. Daytime highs range from about 31°C in January to 38°C in May. June is usually the wettest month.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 18° | 31° |
| Spring | Mar–May | 22° | 37° |
| Summer | Jun–Aug | 23° | 36° |
| Autumn | Sep–Nov | 21° | 33° |
How much rain does Mérida get?
Mérida gets 732 mm of precipitation in an average year, spread over about 67 days with measurable rain. That is more rainy days than 55% of Mexico.
June is the wettest month, with 134 mm. March is the driest, with 11 mm. August has the most rainy days, about 10.
The longest dry spell in the last five years lasted 37 days, to March 27, 2024.
From October 2025 to September 2026 Mérida got 1446 mm of rain, against a normal of 732 mm for those months. May 2026 had the most, with 381 mm.
Mérida weather by month
Mérida weather in January
In January, Mérida averages a high of 31°C and a low of 17°C. It gets 17 mm of precipitation over about 3 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The January record high is 37°C (1991) and the record low is 6°C (1996).
Mérida weather in February
In February, Mérida averages a high of 32°C and a low of 18°C. It gets 18 mm of precipitation over about 2 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The February record high is 40°C (1986) and the record low is 7°C (1989).
Mérida weather in March
In March, Mérida averages a high of 35°C and a low of 19°C. It gets 11 mm of precipitation over about 2 rainy days. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The March record high is 41°C (1991) and the record low is 6°C (1986).
Mérida weather in April
In April, Mérida averages a high of 37°C and a low of 22°C. It gets 25 mm of precipitation over about 2 rainy days. Estimated sunshine is 67% of daylight hours, derived from ERA5 cloud cover. The April record high is 43°C (2020) and the record low is 11°C (1987).
Mérida weather in May
In May, Mérida averages a high of 38°C and a low of 23°C. It gets 42 mm of precipitation over about 3 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The May record high is 44°C (2024) and the record low is 13°C (1988).
Mérida weather in June
In June, Mérida averages a high of 36°C and a low of 23°C. It gets 134 mm of precipitation over about 10 rainy days. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (1998) and the record low is 17°C (1997).
Mérida weather in July
In July, Mérida averages a high of 36°C and a low of 23°C. It gets 103 mm of precipitation over about 10 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The July record high is 41°C (1992) and the record low is 19°C (1978).
Mérida weather in August
In August, Mérida averages a high of 36°C and a low of 23°C. It gets 109 mm of precipitation over about 10 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (1988) and the record low is 18°C (2000).
Mérida weather in September
In September, Mérida averages a high of 34°C and a low of 23°C. It gets 129 mm of precipitation over about 10 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The September record high is 41°C (1996) and the record low is 16°C (1982).
Mérida weather in October
In October, Mérida averages a high of 33°C and a low of 22°C. It gets 92 mm of precipitation over about 8 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The October record high is 40°C (2001) and the record low is 12°C (1982).
Mérida weather in November
In November, Mérida averages a high of 32°C and a low of 19°C. It gets 33 mm of precipitation over about 5 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The November record high is 38°C (1997) and the record low is 10°C (1985).
Mérida weather in December
In December, Mérida averages a high of 31°C and a low of 18°C. It gets 19 mm of precipitation over about 3 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The December record high is 36°C (1986) and the record low is 7°C (1994).
Sunshine, humidity and wind in Mérida
March is the sunniest month in Mérida, with estimated sunshine of 70% of daylight hours from ERA5 cloud cover. September is the cloudiest, at 42%. The annual cloud-cover estimate is 53% of daylight hours; it is not a measurement of sunshine duration. Mérida is sunnier than 57% of Mexico.
Humidity peaks in September at 80% and is lowest in April at 59%.
Mérida has about 158 days a year above 32°C. Mérida is hotter than 74% of Mexico.
Mérida weather records
These records cover AEROP.INTERNACIONAL during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Mérida station is 44°C, on May 18, 2024. The coldest is 6°C, on March 13, 1996.
The wettest day in the available station history brought 228 mm of precipitation, on June 29, 2003.
25 all-time records have been set at the station since 1973.
The best time to visit Mérida
Winter (December–February) is hot, with average highs around 31°C and lows near 18°C.
Spring (March–May) is hot, with average highs around 37°C and lows near 21°C.
Summer (June–August) is hot, with average highs around 36°C and lows near 23°C. It can feel humid.
Autumn (September–November) is hot, with average highs around 33°C and lows near 21°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 17° | 31° | 17 mm | 3 | 75% | 54% | 37° | 6° |
| February | 18° | 32° | 18 mm | 2 | 70% | 66% | 40° | 7° |
| March | 19° | 35° | 11 mm | 2 | 63% | 70% | 41° | 6° |
| April | 22° | 37° | 25 mm | 2 | 59% | 67% | 43° | 11° |
| May | 23° | 38° | 42 mm | 3 | 62% | 60% | 44° | 13° |
| June | 23° | 36° | 134 mm | 10 | 74% | 43% | 42° | 17° |
| July | 23° | 36° | 103 mm | 10 | 75% | 46% | 41° | 19° |
| August | 23° | 36° | 109 mm | 10 | 79% | 44% | 39° | 18° |
| September | 23° | 34° | 129 mm | 10 | 80% | 42% | 41° | 16° |
| October | 22° | 33° | 92 mm | 8 | 79% | 42% | 40° | 12° |
| November | 19° | 32° | 33 mm | 5 | 78% | 53% | 38° | 10° |
| December | 18° | 31° | 19 mm | 3 | 76% | 52% | 36° | 7° |
Station: AEROP.INTERNACIONAL, 3 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Mérida climate questions
How much rain does Mérida get?
Mérida gets 732 mm of precipitation in an average year, over about 67 rainy days.
What is the wettest month in Mérida?
June is the wettest month in Mérida, with 134 mm. March is the driest, with 11 mm.
How many rainy days does Mérida have a year?
Mérida has about 67 days with measurable rain in an average year. August has the most, about 10.
What is the hottest month in Mérida?
May is the warmest month in Mérida, with an average high of 38°C.
What is the coldest month in Mérida?
January is the coldest month in Mérida, with an average low of 17°C.
What is the record high temperature in Mérida?
Within the available 1973–2025 station history, the record high at the Mérida station is 44°C, set on May 18, 2024. The record low is 6°C, on March 13, 1996.
What is the sunniest month in Mérida?
March is the sunniest month in Mérida, with estimated sunshine of 70% of daylight hours from ERA5 cloud cover. September is the cloudiest.