ClimateForecastNovemberDecember >>

San Gerardo Climate by Month

The graphs below provide an overview of the climate in San Gerardo (Alajuela), Costa Rica. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for San Gerardo

Sun   Nov 17
26°C | 20°C
SW 7 km/h
5.2 mm
broken clouds and rain

broken clouds and rain

Mon   Nov 18
27°C | 21°C
E 4 km/h
4.5 mm
broken clouds and rain

broken clouds and rain

Tue   Nov 19
27°C | 21°C
NE 4 km/h
2.7 mm
partly cloudy and thunder

partly cloudy and thunder

The best time of year to visit San Gerardo in Costa Rica

During the months of January and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

San Gerardo has high temperatures year round ranging between 26°C and 29°C.
Other facts from our historical weather data:

  • Which is the warmest month in San Gerardo?
    April has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in San Gerardo?
    The coldest month is January with an average maximum temperature of 26°C.
  • Which is the wettest month in San Gerardo?
    October tops the wettest month list with 355 mm of rainfall.
  • Which is the driest month in San Gerardo?
    March is the driest month with 42 mm of precipitation.
  • Which is the sunniest month in San Gerardo?
    March is the sunniest month with an average of 282 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.