Mérida is rarely comfortable to be outside at midday. It comes closest in late January, and even then it is too hot. For sun, aim for late February.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here falls in late February. It peaks in late February, at 59. The weakest stretch is from late June to September, when it drops to 6, mostly because it is too hot. The clearest skies come in March, when the sky is typically 44% covered at midday (partly cloudy).
Mérida never quite rates Good for being outside. It comes closest in late January, at 37, mostly because it is too hot. Avoid mid April to early November for this: it falls to 0, mostly because it is too hot.
Walking is not what Mérida is for: the Active outdoors rating tops out at 14, mostly because it is too warm.
The year, measured
The average temperature in Mérida over the whole year is 27°C. May is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 20°C. The rainy (wet) season in Mérida runs from June to October, peaking in August with a 58% chance of rain on a given day. The dry season is November to May; January is the driest month, at 28%. Winds in Mérida are highest in March, averaging 3.6 m/s (13 km/h), and lightest in September, at 2.3 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Mérida come in March, when the sky is typically 33% covered; June is the cloudiest month, at 57%.
Month by month Mérida climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 28°C | 20°C | 29°C | 28% | 46% | 2.7 m/s | 34 | 53 | 11 |
| February | 30°C | 20°C | 31°C | 32% | 34% | 3.1 m/s | 20 | 52 | 6 |
| March | 32°C | 22°C | 33°C | 30% | 33% | 3.6 m/s | 11 | 45 | 2 |
| April | 34°C | 23°C | 35°C | 37% | 37% | 3.6 m/s | 5 | 29 | 1 |
| May | 35°C | 25°C | 37°C | 37% | 41% | 3.6 m/s | 1 | 14 | 0 |
| June | 33°C | 25°C | 37°C | 56% | 57% | 3.1 m/s | 1 | 12 | 0 |
| July | 33°C | 25°C | 38°C | 51% | 53% | 2.7 m/s | 0 | 7 | 0 |
| August | 33°C | 25°C | 38°C | 58% | 54% | 2.4 m/s | 0 | 8 | 0 |
| September | 33°C | 25°C | 38°C | 55% | 56% | 2.3 m/s | 0 | 8 | 0 |
| October | 31°C | 24°C | 35°C | 53% | 52% | 2.4 m/s | 3 | 23 | 1 |
| November | 29°C | 22°C | 32°C | 43% | 43% | 2.3 m/s | 9 | 48 | 2 |
| December | 28°C | 20°C | 31°C | 29% | 43% | 2.5 m/s | 23 | 53 | 7 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Mérida weather by season
Year round, Mérida has days of about 28°C at their warmest in January, its coolest month, and 35°C in May, its warmest; the coolest hours of the day run from 20°C to 25°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around August and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Mérida weather in winterDecember to February
Winter in Mérida has typical daily highs of about 29°C and lows of about 20°C, with a 30% chance of rain on a given day.
Mérida weather in springMarch to May
Spring in Mérida has typical daily highs of about 33°C and lows of about 23°C, with a 35% chance of rain on a given day.
Mérida weather in summerJune to August
Summer in Mérida has typical daily highs of about 33°C and lows of about 25°C, with a 55% chance of rain on a given day.
Mérida weather in autumnSeptember to November
Autumn in Mérida has typical daily highs of about 31°C and lows of about 23°C, with a 50% chance of rain on a given day.
When is the rainy season in Mérida?
The rainy (wet) season in Mérida runs from June to October, peaking in August with a 58% chance of rain on a given day. The dry season is November to May; January is the driest month, at 28%.
What time of year is Mérida windiest?
Winds in Mérida are highest in March, averaging 3.6 m/s (13 km/h), and lightest in September, at 2.3 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Mérida year round?
The average temperature in Mérida over the whole year is 27°C. May is the hottest month, with highs of about 35°C; January is the coldest, with lows of about 20°C.
Where to go instead in mid May, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.