ClimateForecastDecemberJanuary >>

San Gerardo Climate by Month

San Gerardo has a steady warm climate throughout the year. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The temperature in San Gerardo remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures range from a comfortable 29°C in April, the warmest time of the year, to a comfortable 26°C during cooler months like January. At night, temperatures typically average around 18°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

San Gerardo has a relatively rainy climate with high precipitation levels, averaging 2486 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives heavy rainfall, averaging 355 mm of precipitation, recorded across 22 rainy days. In contrast, the drier season, March brings less rainfall, with 42 mm over 7 rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in San Gerardo. While March receives considerable daily sunshine with up to 9.4 hours, June marks the darkest time of the year, where sunshine is scarce with only 5.2 hours of sunlight per day.

Monthly hours of sunshine

Data from: Puntarenas, Costa Rica (48 KM, 29 Miles).

Daily hours of sunshine

Data from: Puntarenas, Costa Rica (48 KM, 29 Miles).

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.

    Forecast for San Gerardo

    Thu   Dec 12
    25°C | 20°C
    NE 14 km/h
    25 mm
    broken clouds and rain

    broken clouds and rain

    Fri   Dec 13
    23°C | 20°C
    NE 14 km/h
    22 mm
    broken clouds and rain

    broken clouds and rain

    Sat   Dec 14
    25°C | 20°C
    NE 11 km/h
    17 mm
    broken clouds and rain

    broken clouds and rain