Alajuela Climate
Trip Planning - About Costa Rica

 

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