The average daytime temperatures generally vary between 22 and 30 degrees Celsius. There are two seasons, dry season from November to April and wet season (or rainy season) from May to October.
The average rainfall still remains fairly low during the dry season (the most popular for North Americans).
During summer, do not forget to bring a good insect repellent.
For those who do not support heat, note that summer months are very hot (30C +) and humid. During the dry season (winter), it only rains very rarely, but evenings can be cool enough to bring long pants and sleeves.
For current weather conditions and forecasts the coming days, please consult the following sites:
CNN Weather (Caibarien) The Weather Network (Santa Clara)
Here is an annual snapshot of the climate of Cayo Santa Maria:
Average temperature (°C)
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
23.1 |
22.9 |
24.1 |
25.1 |
27.1 |
27.6 |
28.4 |
28.1 |
27.6 |
26.7 |
24.6 |
23.5 |
Average water temperature (°c)
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
24.6 |
24.3 |
24.6 |
25.3 |
26.2 |
27.3 |
28.0 |
28.5 |
28.3 |
27.5 |
26.3 |
25.2 |
Average of sun hours
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
11.0 |
11.4 |
12.0 |
12.6 |
13.2 |
13.5 |
13.3 |
13.0 |
12.4 |
11.8 |
11.2 |
10.9 |
Average of rainfall (mm)
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
45 |
38 |
47 |
72 |
177 |
216 |
139 |
158 |
184 |
190 |
79 |
41 |
Average days of rain
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
3 |
4 |
3 |
4 |
8 |
11 |
9 |
10 |
10 |
10 |
5 |
3 |
Relative humidity (%)
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
79 |
77 |
76 |
74 |
78 |
81 |
79 |
80 |
82 |
83 |
81 |
80 |
Source: TMR tour operator
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