Merida, Mexico Climate & Monthly Averages
The climate of 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).
Climate 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.
How Merida compares
- Merida averages 80°F (26°C) across the year - warmer than 91% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 83° | 66° | 5 | 1.0 in | 9.0 h/day | 11.0 h | 17% | 74% |
| February | 86° | 67° | 3 | 0.8 in | 10.3 h/day | 11.4 h | 12% | 70% |
| March | 91° | 70° | 3 | 0.6 in | 11.2 h/day | 12.0 h | 10% | 65% |
| April | 96° | 73° | 4 | 0.8 in | 11.6 h/day | 12.6 h | 12% | 63% |
| May | 97° | 76° | 6 | 1.7 in | 11.7 h/day | 13.1 h | 19% | 64% |
| June | 93° | 76° | 16 | 5.9 in | 10.6 h/day | 13.4 h | 54% | 76% |
| July | 94° | 76° | 13 | 2.7 in | 11.4 h/day | 13.3 h | 41% | 75% |
| August | 93° | 76° | 17 | 4.2 in | 11.1 h/day | 12.8 h | 55% | 79% |
| September | 92° | 75° | 18 | 4.0 in | 11.0 h/day | 12.2 h | 61% | 81% |
| October | 89° | 73° | 15 | 4.4 in | 10.0 h/day | 11.6 h | 49% | 80% |
| November | 86° | 70° | 9 | 1.8 in | 10.2 h/day | 11.1 h | 31% | 78% |
| December | 84° | 68° | 6 | 1.2 in | 9.3 h/day | 10.9 h | 20% | 76% |
Merida month by month
Average high and low for each month, with the bar showing where it sits in Merida's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 5 days
- Sunshine
- 9.0 h
- Daylight
- 11.0 h
February
- Rain
- 3 days
- Sunshine
- 10.3 h
- Daylight
- 11.4 h
March
- Rain
- 3 days
- Sunshine
- 11.2 h
- Daylight
- 12.0 h
April
- Rain
- 4 days
- Sunshine
- 11.6 h
- Daylight
- 12.6 h
May
- Rain
- 6 days
- Sunshine
- 11.7 h
- Daylight
- 13.1 h
June
- Rain
- 16 days
- Sunshine
- 10.6 h
- Daylight
- 13.4 h
July
- Rain
- 13 days
- Sunshine
- 11.4 h
- Daylight
- 13.3 h
August
- Rain
- 17 days
- Sunshine
- 11.1 h
- Daylight
- 12.8 h
September
- Rain
- 18 days
- Sunshine
- 11.0 h
- Daylight
- 12.2 h
October
- Rain
- 15 days
- Sunshine
- 10.0 h
- Daylight
- 11.6 h
November
- Rain
- 9 days
- Sunshine
- 10.2 h
- Daylight
- 11.1 h
December
- Rain
- 6 days
- Sunshine
- 9.3 h
- Daylight
- 10.9 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Merida
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.
Climate questions, answered
How much sun does Merida get?
How hot does Merida get in summer?
How cold does Merida get in winter?
How does Merida compare to other cities?
Best time to visit Merida
The best time to visit Merida is generally December to March, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 86°F (30°C), with rain on about 5 days a month. For the same question asked the other way round, see where else is warm in December.
Pack for Merida with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. May nights average 76°F (24°C), so evenings rarely match the afternoons.
Merida temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.