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This web site is operated
on behalf of WMO by

Hong Kong Observatory
of Hong Kong, China.
 
World Weather Information Service

Instituto Meteorologico Nacional
Weather Information for Alajuela
  MAPMAP
Tourism Information:  Costa Rica Tourism Board
 
Climatological Information
Month Mean Temperature oC Mean Total Precipitation (mm) Mean Number of Precipitation Days
Daily
Minimum
Daily
Maximum
Jan 17.5 27.8 7.6 2.0
Feb 17.6 28.6 12.6 1.9
Mar 17.8 29.6 17.4 3.0
Apr 18.3 29.7 79.6 8.2
May 18.4 28.4 271.2 21.6
Jun 18.2 27.6 265.6 23.3
Jul 18.4 27.7 177.5 20.1
Aug 18.1 28.7 253.8 21.8
Sep 17.7 27.3 340.6 25.2
Oct 17.6 27.1 338.5 25.5
Nov 17.8 27.2 148.5 16.0
Dec 17.7 27.5 32.8 5.9
>> Click here for temperatures in oF

Remarks:
* Climatological information is based on monthly averages for the 48-year period 1956-2003.
* Precipitation includes both rain and snow.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.