Annual mean 27°C · wettest around August · prevailing wind E
Warmest
33.0 °C
Coldest
28.3 °C
Wettest
70%
Windiest
4.6 m/s
Prevailing
E
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Chetumal over the whole year is 27°C. September is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 21°C. The rainy (wet) season in Chetumal runs from June to November, peaking in August with a 59% chance of rain on a given day. The dry season is December to May; March is the driest month, at 29%. Winds in Chetumal are highest in April, averaging 3.5 m/s (13 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the E. The clearest skies in Chetumal come in March, when the sky is typically 42% covered; June is the cloudiest month, at 66%.
Month by month Chetumal 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
29°C
21°C
31°C
30%
51%
1.9 m/s
17
55
4
February
30°C
22°C
32°C
30%
43%
2.6 m/s
10
55
2
March
31°C
24°C
33°C
29%
42%
3.1 m/s
4
48
0
April
32°C
25°C
34°C
31%
46%
3.5 m/s
2
34
0
May
33°C
27°C
36°C
33%
54%
3.5 m/s
0
17
0
June
32°C
27°C
36°C
52%
66%
3.1 m/s
1
16
0
July
32°C
26°C
37°C
56%
57%
2.5 m/s
0
11
0
August
33°C
26°C
37°C
59%
57%
2.4 m/s
1
9
0
September
33°C
26°C
38°C
52%
59%
2.1 m/s
0
7
0
October
31°C
24°C
36°C
57%
60%
1.8 m/s
1
15
0
November
30°C
22°C
34°C
49%
56%
1.7 m/s
3
34
0
December
29°C
21°C
32°C
33%
52%
1.8 m/s
12
45
2
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 Chetumal weather by season
Year round, Chetumal has days of about 29°C at their warmest in January, its coolest month, and 33°C in September, its warmest; the coolest hours of the day run from 21°C to 27°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 March. 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.
Chetumal weather in winterDecember to February
High 29°CLow 21°CRain 31%
Winter in Chetumal has typical daily highs of about 29°C and lows of about 21°C, with a 31% chance of rain on a given day.
Chetumal weather in springMarch to May
High 32°CLow 25°CRain 31%
Spring in Chetumal has typical daily highs of about 32°C and lows of about 25°C, with a 31% chance of rain on a given day.
Chetumal weather in summerJune to August
High 32°CLow 26°CRain 56%
Summer in Chetumal has typical daily highs of about 32°C and lows of about 26°C, with a 56% chance of rain on a given day.
Chetumal weather in autumnSeptember to November
High 31°CLow 24°CRain 53%
Autumn in Chetumal has typical daily highs of about 31°C and lows of about 24°C, with a 53% chance of rain on a given day.
When is the rainy season in Chetumal?
The rainy (wet) season in Chetumal runs from June to November, peaking in August with a 59% chance of rain on a given day. The dry season is December to May; March is the driest month, at 29%.
What time of year is Chetumal windiest?
Winds in Chetumal are highest in April, averaging 3.5 m/s (13 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the E.
What is the average temperature in Chetumal year round?
The average temperature in Chetumal over the whole year is 27°C. September is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 21°C.