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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. |
68 |
20 |
53 |
12 |
6.3 |
160 |
n/a |
| Feb. |
89 |
32 |
53 |
12 |
3.82 |
97 |
n/a |
| Mar. |
71 |
22 |
53 |
12 |
1.65 |
42 |
n/a |
| Apr. |
71 |
22 |
55 |
13 |
4.8 |
122 |
n/a |
| May |
71 |
22 |
57 |
14 |
13.7 |
348 |
n/a |
| Jun. |
71 |
22 |
57 |
14 |
16.54 |
420 |
n/a |
| Jul. |
69 |
21 |
57 |
14 |
14.13 |
359 |
n/a |
| Aug. |
69 |
21 |
57 |
14 |
18.03 |
458 |
n/a |
| Sep. |
71 |
22 |
55 |
13 |
19.41 |
493 |
n/a |
| Oct. |
69 |
21 |
57 |
14 |
16.77 |
426 |
n/a |
| Nov. |
68 |
20 |
57 |
14 |
16.89 |
429 |
n/a |
| Dec. |
69 |
21 |
57 |
14 |
12.99 |
330 |
n/a |
Source: National Weather Services of Costa Rica
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