Merida, Mexico Weather
Merida hourly forecast: next 24 hours
Today's high of 99°F (37°C) is about 7°F (4°C) above the typical September high of 92°F (33°C).
Current conditions in detail
Merida weather tomorrow (Thursday, September 17)
Tomorrow in Merida looks mist, with a high of 98° and an overnight low of 72°. There is a 57% chance of rain - plan accordingly. Winds top out near 14 mph, and the UV index reaches 11 (very high).
Merida 14-day forecast
About the weather in Merida
Warmth is the constant in Merida: 80°F (26°C) averaged across all twelve months, never dropping below 83°F (28°C) even in January. June is the wettest month at 5.9 inches (151 mm).
Merida weather: quick facts
- Hottest month: May - highs near 97°F (36°C)
- Coldest month: January - highs near 83°F (28°C)
- Decade extremes (2015-2024): 109°F (43°C) high · 54°F (12°C) low
- Wettest month: June (16 rainy days) · Sunniest: May (11.7 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 6°C between the average warmest and coolest month · day to night: 10°C
- Months averaging 30°C or hotter: 10
- Average humidity: 73%
Temperatures through the year
Precipitation concentrates in June - 5.9 inches (151 mm) on 16 days - and thins out by March. January is the coolest month, with highs of 83°F (28°C) and lows near 66°F (19°C). May is the warm end of the year, averaging 97°F (36°C) by day and 76°F (24°C) overnight. The gridded 2015-2024 daily record for this location tops out at 109°F (43°C) and bottoms at 54°F (12°C) - decade extremes, not all-time station records. Sunshine averages 10.6 hours a day over the year - sunnier than roughly 85% of the cities we track, peaking in May at 11.7 hours.
Rain, sun and snow
Between the average May and the average January lie 6°C, a narrower spread than about 83% of the cities we track.
Season by season
March through May
March through May in Merida is punishingly hot, with daytime highs averaging 95°F (35°C) and nights around 73°F (23°C); rain comes on about 13 days over the three months. Daylight is generous - around 11.5 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
June through August in Merida runs at full heat, with daytime highs averaging 93°F (34°C) and nights around 76°F (24°C); rain falls on around 46 of the 90 days. Daylight is generous - around 11.0 hours of sun a day.
September through November
Through September through November, Merida brings hot afternoons: 89°F (32°C) by day, 73°F (23°C) after dark, and rain falls on around 43 of the 90 days. Daylight is generous - around 10.4 hours of sun a day.
December through February
December through February sits firmly in the heat here - highs near 84°F (29°C), nights near 67°F (20°C), and rain comes on about 15 days over the three months.
Average temperatures in Merida by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| 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% |