| Month |
Average Highs |
Average Lows |
Average Rainfall |
Humidity |
| |
F |
C |
F |
C |
in. |
mm |
% |
| Jan. |
81 |
27 |
62 |
17 |
0.28 |
7 |
69 |
| Feb. |
83 |
28 |
62 |
17 |
0.47 |
12 |
69 |
| Mar. |
85 |
29 |
63 |
17 |
0.55 |
14 |
67 |
| Apr. |
85 |
29 |
63 |
17 |
3.23 |
82 |
70 |
| May |
82 |
28 |
64 |
18 |
10.67 |
271 |
82 |
| Jun. |
81 |
27 |
64 |
18 |
10.63 |
270 |
82 |
| Jul. |
81 |
27 |
64 |
18 |
7.09 |
180 |
84 |
| Aug. |
81 |
27 |
63 |
17 |
10.16 |
258 |
79 |
| Sep. |
80 |
27 |
63 |
17 |
13.7 |
348 |
82 |
| Oct. |
80 |
27 |
63 |
17 |
13.39 |
340 |
87 |
| Nov. |
80 |
27 |
63 |
17 |
19.57 |
497 |
86 |
| Dec. |
81 |
27 |
63 |
17 |
20.87 |
530 |
80 |
Source: National Weather Services of Costa Rica