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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. |
82 |
28 |
65 |
19 |
10.77 |
276 |
85 |
| Feb. |
82 |
28 |
66 |
19 |
9.3 |
238 |
85 |
| Mar. |
83 |
29 |
67 |
19 |
8.4 |
215 |
85 |
| Apr. |
84 |
29 |
68 |
20 |
9.42 |
242 |
86 |
| May |
85 |
30 |
70 |
21 |
16.79 |
430 |
88 |
| Jun. |
85 |
29 |
70 |
21 |
17.3 |
444 |
89 |
| Jul. |
83 |
29 |
70 |
21 |
19.88 |
510 |
90 |
| Aug. |
84 |
29 |
69 |
21 |
18.51 |
475 |
89 |
| Sep. |
85 |
29 |
69 |
21 |
14.66 |
376 |
88 |
| Oct. |
84 |
29 |
69 |
21 |
17.47 |
448 |
89 |
| Nov. |
83 |
28 |
69 |
20 |
18.37 |
471 |
89 |
| Dec. |
82 |
28 |
67 |
20 |
17.62 |
452 |
87 |
Source: National Weather Services of Costa Rica
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