Chetumal weather by month

Check out Chetumal weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Chetumal (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	28	29	30	31	32	31	31	32	31	30	29	28
Min temperature (night-time)	18	19	21	22	23	23	23	23	23	21	20	18
Heat & Humidity	M	M	H	H	VH	VH	VH	VH	VH	H	M	M
Sea temperature	25	26	26	27	28	29	29	29	29	28	27	26

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Chetumal

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	7	8	8	8	7	7	7	6	6	6	6
Daily hours of daylight	11	12	12	13	13	13	13	13	12	12	11	11
UV Index (Maximum)	8	10	11	11	11	11	11	11	11	10	8	8

Rainfall in Chetumal

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	8	5	3	3	6	13	13	13	14	14	9	8
Average monthly rainfall (mm)	69	36	26	44	87	188	140	133	184	154	100	92

More about Chetumal

Chetumal by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Mexico

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The climate guide for Mexico (Chetumal) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Chetumal?

Chetumal has a hot tropical climate with a winter dry season.

Chetumal weather in January

Expect daytime maximum temperatures of 28°C in Chetumal, Mexico in January based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 69 mm of rainfall in the month.

28
28°C max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
18
18°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
69
69 mm of monthly rainfall
8
8 (Very High) UV index
25
25°C sea temperature

Back to months

Chetumal weather in February

Expect daytime maximum temperatures of 29°C in Chetumal, Mexico in February based on long-term weather averages. There are 7 hours of sunshine per day on average.

29
29°C max day temperature
7
7 hours of sunshine per day
5
5 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
36
36 mm of monthly rainfall
10
10 (Very High) UV index
26
26°C sea temperature

Back to months

Chetumal weather in March

Expect daytime maximum temperatures of 30°C in Chetumal, Mexico in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

30
30°C max day temperature
8
8 hours of sunshine per day
3
3 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
26
26 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

Back to months

Chetumal weather in April

Expect daytime maximum temperatures of 31°C in Chetumal, Mexico in April and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 44 mm of rainfall in the month.

31
31°C max day temperature
8
8 hours of sunshine per day
3
3 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
44
44 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

Chetumal weather in May

Expect daytime maximum temperatures of 32°C in Chetumal, Mexico in May and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 87 mm of rainfall in the month.

32
32°C max day temperature
8
8 hours of sunshine per day
6
6 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
87
87 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

Chetumal weather in June

Expect daytime maximum temperatures of 31°C in Chetumal, Mexico in June and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 188 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
188
188 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

Chetumal weather in July

Expect daytime maximum temperatures of 31°C in Chetumal, Mexico in July and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 140 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
140
140 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

Chetumal weather in August

Expect daytime maximum temperatures of 32°C in Chetumal, Mexico in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 133 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
133
133 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

Chetumal weather in September

Expect daytime maximum temperatures of 31°C in Chetumal, Mexico in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 184 mm of rainfall in the month.

31
31°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
184
184 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

Chetumal weather in October

Expect daytime maximum temperatures of 30°C in Chetumal, Mexico in October and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 154 mm of rainfall in the month.

30
30°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
154
154 mm of monthly rainfall
10
10 (Very High) UV index
28
28°C sea temperature

Back to months

Chetumal weather in November

Expect daytime maximum temperatures of 29°C in Chetumal, Mexico in November based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 100 mm of rainfall in the month.

29
29°C max day temperature
6
6 hours of sunshine per day
9
9 days with some rainfall
20
20°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
100
100 mm of monthly rainfall
8
8 (Very High) UV index
27
27°C sea temperature

Back to months

Chetumal weather in December

Expect daytime maximum temperatures of 28°C in Chetumal, Mexico in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 92 mm of rainfall in the month.