| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 14.3° | 3.9° | 49mm | 8.2 | 65 |
| February | 16.7° | 4.7° | 37.6mm | 6.9 | 76 |
| March | 20° | 6.9° | 44.3mm | 7.7 | 85 |
| April | 22.5° | 9.4° | 42.5mm | 8.2 | 84 |
| May | 26.9° | 12.5° | 31.9mm | 6 | 88 |
| June | 31.9° | 15.9° | 11.5mm | 2.3 | 76 |
| July | 35.3° | 17.6° | 3.3mm | 0.7 | 65 |
| August | 35.2° | 17.9° | 4mm | 0.9 | 65 |
| September | 30.6° | 15.7° | 24.2mm | 4 | 78 |
| October | 25.1° | 12.3° | 67.7mm | 8.9 | 82 |
| November | 18.3° | 7.6° | 60.6mm | 9.2 | 76 |
| December | 14.8° | 4.9° | 61.8mm | 9.3 | 65 |
January in Mérida averages a daily high of 14.3°C with nights around 3.9°C. Expect roughly 8.2 wet days totalling 49mm. Generally workable, with some weather to plan around.
February in Mérida averages a daily high of 16.7°C with nights around 4.7°C. Expect roughly 6.9 wet days totalling 37.6mm. Comfortable conditions for being outdoors all day.
March in Mérida averages a daily high of 20°C with nights around 6.9°C. Expect roughly 7.7 wet days totalling 44.3mm. Comfortable conditions for being outdoors all day.
April in Mérida averages a daily high of 22.5°C with nights around 9.4°C. Expect roughly 8.2 wet days totalling 42.5mm. Comfortable conditions for being outdoors all day.
May in Mérida averages a daily high of 26.9°C with nights around 12.5°C. Expect roughly 6 wet days totalling 31.9mm. Comfortable conditions for being outdoors all day.
June in Mérida averages a daily high of 31.9°C with nights around 15.9°C. Rain is rare — about 2.3 wet days and 11.5mm across the month. Comfortable conditions for being outdoors all day.
July in Mérida averages a daily high of 35.3°C with nights around 17.6°C. Rain is rare — about 0.7 wet days and 3.3mm across the month. Generally workable, with some weather to plan around.
August in Mérida averages a daily high of 35.2°C with nights around 17.9°C. Rain is rare — about 0.9 wet days and 4mm across the month. Generally workable, with some weather to plan around.
September in Mérida averages a daily high of 30.6°C with nights around 15.7°C. Expect roughly 4 wet days totalling 24.2mm. Comfortable conditions for being outdoors all day.
October in Mérida averages a daily high of 25.1°C with nights around 12.3°C. Expect roughly 8.9 wet days totalling 67.7mm. Comfortable conditions for being outdoors all day.
November in Mérida averages a daily high of 18.3°C with nights around 7.6°C. Expect roughly 9.2 wet days totalling 60.6mm. Comfortable conditions for being outdoors all day.
December in Mérida averages a daily high of 14.8°C with nights around 4.9°C. Expect roughly 9.3 wet days totalling 61.8mm. Generally workable, with some weather to plan around.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Mérida peaks at 88.
Based on 30 years of records, March–May scores highest for comfort in Mérida, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 35.3°C.
October is the wettest, averaging 67.7mm of rain across roughly 8.9 wet days.
January is the coolest month, with average daily highs around 14.3°C.