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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. |
88 |
31 |
68 |
20 |
12.48 |
317 |
87 |
| Feb. |
88 |
31 |
68 |
20 |
8.31 |
211 |
87 |
| Mar. |
87 |
31 |
69 |
21 |
9.21 |
234 |
85 |
| Apr. |
87 |
31 |
71 |
22 |
10.87 |
276 |
85 |
| May |
87 |
31 |
71 |
22 |
11.1 |
282 |
87 |
| Jun. |
87 |
31 |
71 |
22 |
11.65 |
296 |
88 |
| Jul. |
88 |
31 |
71 |
22 |
16.81 |
427 |
89 |
| Aug. |
68 |
20 |
71 |
22 |
12.28 |
312 |
88 |
| Sep. |
87 |
31 |
71 |
22 |
5.71 |
145 |
87 |
| Oct. |
87 |
31 |
71 |
22 |
8.11 |
206 |
87 |
| Nov. |
85 |
29 |
69 |
21 |
15.39 |
391 |
89 |
| Dec. |
88 |
31 |
69 |
21 |
17.52 |
445 |
88 |
Source: National Weather Services of Costa Rica
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