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Trip Planning -
About Costa Rica
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| Month | Average Highs | Average Lows | Average Rainfall | Humidity |
| | F | C | F | C | in. | mm | % |
| Jan. |
91 |
33 |
69 |
21 |
1.97 |
50 |
84 |
| Feb. |
91 |
33 |
59 |
15 |
2.09 |
53 |
83 |
| Mar. |
93 |
34 |
71 |
22 |
3.82 |
97 |
83 |
| Apr. |
91 |
33 |
71 |
22 |
8.86 |
225 |
86 |
| May |
89 |
32 |
71 |
22 |
16.61 |
422 |
89 |
| Jun. |
89 |
32 |
71 |
22 |
16.06 |
408 |
89 |
| Jul. |
89 |
32 |
71 |
22 |
14.57 |
370 |
89 |
| Aug. |
87 |
31 |
89 |
32 |
16.3 |
414 |
89 |
| Sep. |
87 |
31 |
71 |
22 |
19.49 |
495 |
90 |
| Oct. |
87 |
31 |
71 |
22 |
23.5 |
597 |
91 |
| Nov. |
87 |
31 |
71 |
22 |
13.78 |
350 |
90 |
| Dec. |
89 |
32 |
71 |
22 |
4.17 |
106 |
87 |
Source: National Weather Services of Costa Rica
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