25.08
tue
tue
Day

88°F
NW 6 mph
Precip.
12%
12%
Night

82°F
W 11 mph
Precip.
9%
9%
26.08
wed
wed
Day

90°F
NW 7 mph
Precip.
12%
12%
Night

82°F
W 11 mph
Precip.
8%
8%
27.08
thu
thu
Day

88°F
NW 9 mph
Precip.
4%
4%
Night

82°F
W 9 mph
Precip.
9%
9%
28.08
fri
fri
Day

90°F
NW 9 mph
Precip.
14%
14%
Night

82°F
NW 10 mph
Precip.
9%
9%
29.08
sat
sat
Day

88°F
NW 4 mph
Precip.
10%
10%
Night

82°F
W 8 mph
Precip.
23%
23%
30.08
sun
sun
Day

88°F
NW 9 mph
Precip.
15%
15%
Night

82°F
W 8 mph
Precip.
14%
14%
31.08
mon
mon
Day

86°F
NW 6 mph
Precip.
11%
11%
Night

82°F
NW 11 mph
Precip.
9%
9%
01.09
tue
tue
Day

86°F
W 4 mph
Precip.
11%
11%
Night

82°F
NW 10 mph
Precip.
9%
9%
02.09
wed
wed
Day

88°F
NW 10 mph
Precip.
12%
12%
Night

82°F
NW 9 mph
Precip.
25%
25%
03.09
thu
thu
Day

88°F
NW 9 mph
Precip.
4%
4%
Night

84°F
W 13 mph
Precip.
16%
16%
04.09
fri
fri
Day

86°F
NW 12 mph
Precip.
66%
66%
Night

82°F
NW 11 mph
Precip.
35%
35%
05.09
sat
sat
Day

88°F
NW 13 mph
Precip.
16%
16%
Night

82°F
W 11 mph
Precip.
28%
28%
06.09
sun
sun
Day

88°F
NW 11 mph
Precip.
4%
4%
Night

82°F
W 12 mph
Precip.
8%
8%
07.09
mon
mon
Day

88°F
NW 8 mph
Precip.
4%
4%
Night

84°F
W 12 mph
Precip.
8%
8%
sea water
temperature
temperature
| Chetumal |
monthly
weather
weather
| Chetumal |
current
weather
weather
| Chetumal |
7 days
forecast
forecast
| Chetumal |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.3°F.
Air temperature in Chetumal, °F
Precipitation total in Chetumal, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Chetumal
Chetumal on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Chetumal
Local time: 09:34
August 25, tuesday
1200

88°F
NW
6 mph
6 mph
1500

90°F
NW
11 mph
11 mph
1800

88°F
NW
12 mph
12 mph
2100

82°F
W
13 mph
13 mph
August 26, wednesday
0000

82°F
W
11 mph
11 mph
0300

81°F
W
6 mph
6 mph
0600

81°F
W
9 mph
9 mph
0900

84°F
W
9 mph
9 mph




























