ClimateForecastNovemberDecember >>

Ostional Climate by Month

Ostional has a steady very warm climate throughout the year. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

With minimal seasonal shifts, Ostional experiences a constant climate year-round. Average daytime temperatures range from a very warm 32°C in March, the warmest time of the year, to a comfortable 29°C during cooler months like January. At night, temperatures typically average around 24°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ostional has a notably wet climate with abundant precipitation, recording 2516 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives heavy rainfall, averaging 448 mm of precipitation, recorded across 21 rainy days. In contrast, the drier season, February brings less rainfall, with 8.3 mm over 6 rainy days.

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

The best time of year to visit Ostional in Costa Rica

Ostional has high temperatures year round ranging between 28°C and 32°C.
The best time to visit is during the drier months: January, February, March and December.

Other facts from our historical weather data:
  • Does Ostional have a dry season?
    Yes, the months of January, February and March are very dry.
  • Which is the hottest month in Ostional?
    March has an average maximum temperature of 32°C and is the hottest month of the year.
  • Which is the coolest month in Ostional?
    The coolest month is December with an average maximum temperature of 29°C.
  • Which is the wettest month in Ostional?
    October tops the wettest month list with 448 mm of rainfall.
  • Which is the driest month in Ostional?
    February is the driest month with 8 mm of precipitation.

  • 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 Ostional

    Thu   Nov 21
    28°C | 22°C
    NW 14 km/h
    0.3 mm
    partly cloudy and slight rain

    partly cloudy and slight rain

    Fri   Nov 22
    28°C | 22°C
    NE 7 km/h
    8.9 mm
    broken clouds and thunder

    broken clouds and thunder

    Sat   Nov 23
    29°C | 23°C
    NE 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain