San Jose Climate
Trip Planning - About Costa Rica

Month Average Highs Average Lows Average Rainfall Humidity
  F C F C in. mm %
Jan. 73 23 59 15 0.39 10 82
Feb. 75 24 59 15 0.24 6 80
Mar. 77 25 60 16 0.47 12 78
Apr. 78 26 60 16 1.73 44 79
May 78 26 62 17 8.86 225 84
Jun. 78 26 62 17 11.3 287 85
Jul. 77 25 62 17 8.46 215 84
Aug. 77 25 62 17 9.8 249 85
Sep. 76 24 60 16 13.07 332 86
Oct. 77 25 60 16 13.07 332 86
Nov. 75 24 60 16 5.59 142 84
Dec. 73 23 59 15 1.61 41 83


Source: National Weather Services of Costa Rica