8.6 /10
Excellent

December is an excellent month in Mérida

Climate Overview

Mérida, Mexico in December has hot conditions, with highs reaching 29.1°C (84°F) and afternoons the warmest part of the day.

This month falls at the beginning of Winter.

Temperatures remain fairly steady throughout December, with daily highs around 30°C (86°F).

December sees fairly even rainfall, totalling about 22 mm across the month.

The warmest days tend to fall around the 1th, averaging 30.3°C (87°F).

Compared to November, this month is about 0°C cooler with 2 fewer rainy days.

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Monthly December Averages

Temperature
29°C / 20°C
Feels Like
31°C / 23°C
Rain
5 days · 22 mm
Sunshine
9.5h / day
Humidity
74% — Muggy
Wind
14 km/h
Wind Direction
ENE (69°)
Gusts
33 km/h
Daylight
10.9 h
Cloud Cover
45%
Clear Sky Days
4.9
UV Index
5.5 — High
Dew Point
20°C — Humid
Moon Phase
Waxing Crescent · 31%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

36°C 32°C 28°C 24°C 20°C 16°C 12°C 151015202531
HighLow

Daily Precipitation

0 mm 1 mm 2 mm 3 mm 4 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202531
Wind Speed
Sun Position
Sunrise 06:29
Daylight 10.9h
Sunset 17:21

What to Expect

Daytime temperatures around 29°C (84°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January best
Excellent
Temp
29°C / 20°C
Feels Like
30°C / 21°C
Rain
5days (24 mm) Good
Sun
9h Good
Humidity
72% Muggy
UV
5.7 High
February best
Excellent
Temp
31°C / 20°C
Feels Like
32°C / 22°C
Rain
2days (12 mm) Excellent
Sun
9.9h Good
Humidity
67% Muggy
UV
7.1 Very High
March
Good
Temp
33°C / 22°C
Feels Like
35°C / 24°C
Rain
2days (12 mm) Excellent
Sun
10.8h Excellent
Humidity
62% Muggy
UV
8.3 Very High
April
Fair
Temp
35°C / 23°C
Feels Like
38°C / 26°C
Rain
4days (19 mm) Good
Sun
11.6h Excellent
Humidity
59% Moderate
UV
8.9 Very High
May
Poor
Temp
36°C / 25°C
Feels Like
40°C / 29°C
Rain
6days (41 mm) Good
Sun
11.8h Excellent
Humidity
61% Muggy
UV
9 Very High
June
Poor
Temp
34°C / 25°C
Feels Like
39°C / 29°C
Rain
17days (133 mm) Wet
Sun
10.7h Excellent
Humidity
73% Muggy
UV
8.4 Very High
July
Poor
Temp
34°C / 25°C
Feels Like
40°C / 29°C
Rain
15days (74 mm) Wet
Sun
11.7h Excellent
Humidity
72% Muggy
UV
8.5 Very High
August
Wet
Temp
34°C / 25°C
Feels Like
40°C / 29°C
Rain
20days (107 mm) Wet
Sun
11.4h Excellent
Humidity
77% Humid
UV
8.7 Very High
September
Wet
Temp
33°C / 24°C
Feels Like
39°C / 29°C
Rain
19days (116 mm) Wet
Sun
10.9h Excellent
Humidity
80% Humid
UV
8.3 Very High
October
Fair
Temp
31°C / 23°C
Feels Like
36°C / 27°C
Rain
15days (96 mm) Wet
Sun
9.9h Good
Humidity
79% Humid
UV
7 High
November best
Good
Temp
30°C / 22°C
Feels Like
33°C / 25°C
Rain
7days (33 mm) Good
Sun
9.9h Good
Humidity
77% Humid
UV
5.9 High
December best
Excellent
Temp
29°C / 20°C
Feels Like
31°C / 23°C
Rain
5days (22 mm) Good
Sun
9.5h Good
Humidity
74% Muggy
UV
5.5 High
Month Temp Feels Like Rain Sun Humidity UV Status Details
January best 29°C / 20°C 30°C / 21°C 5days (24 mm) Good 9h Good 72% Muggy 5.7 High Excellent View Details
February best 31°C / 20°C 32°C / 22°C 2days (12 mm) Excellent 9.9h Good 67% Muggy 7.1 Very High Excellent View Details
March 33°C / 22°C 35°C / 24°C 2days (12 mm) Excellent 10.8h Excellent 62% Muggy 8.3 Very High Good View Details
April 35°C / 23°C 38°C / 26°C 4days (19 mm) Good 11.6h Excellent 59% Moderate 8.9 Very High Fair View Details
May 36°C / 25°C 40°C / 29°C 6days (41 mm) Good 11.8h Excellent 61% Muggy 9 Very High Poor View Details
June 34°C / 25°C 39°C / 29°C 17days (133 mm) Wet 10.7h Excellent 73% Muggy 8.4 Very High Poor View Details
July 34°C / 25°C 40°C / 29°C 15days (74 mm) Wet 11.7h Excellent 72% Muggy 8.5 Very High Poor View Details
August 34°C / 25°C 40°C / 29°C 20days (107 mm) Wet 11.4h Excellent 77% Humid 8.7 Very High Wet View Details
September 33°C / 24°C 39°C / 29°C 19days (116 mm) Wet 10.9h Excellent 80% Humid 8.3 Very High Wet View Details
October 31°C / 23°C 36°C / 27°C 15days (96 mm) Wet 9.9h Good 79% Humid 7 High Fair View Details
November best 30°C / 22°C 33°C / 25°C 7days (33 mm) Good 9.9h Good 77% Humid 5.9 High Good View Details
December best 29°C / 20°C 31°C / 23°C 5days (22 mm) Good 9.5h Good 74% Muggy 5.5 High Excellent View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

December is typically excellent for visiting Mérida, with average highs of 29°C (84°F) and around 5 rainy days. Mérida, Mexico in December has hot conditions, with highs reaching 29.1°C (84°F) and afternoons the warmest part of the
Mérida typically sees around 5 rainy days in December with 22 mm (0.9 in) of total rainfall. An umbrella should suffice.
Nights stay pleasantly warm in Mérida during December, around 20°C (69°F). Light evening wear is sufficient.
With highs of 29°C (84°F) and lows of 20°C (69°F) in December, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, December offers some of the best weather conditions in Mérida with comfortable temperatures and lower chances of rain.
The average UV index in Mérida during December is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.
Mérida gets approximately 11 hours of daylight per day in December, with around 10 hours of sunshine.
Snow is uncommon in Mérida during December based on 10-year climate averages.

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