Best year time to visit National Park Arenal

General weather information about National Park Arenal

Average annual temperature is 22.8 °C

Absolute maximum temperature: 30.7 °C

Absolute minimum temperature: 16.4 °C

Number of sunny days: 8 days

Number of rainy days: 357 days

Look at detailed online map of National Park Arenal

* Weather data for National Park Arenal Costa Rica is based on climate observations for 2026 year

National Park Arenal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)25.624.827.630.030.729.728.629.128.928.727.427.5
Average daytime temperature (°C)23.023.225.226.628.026.926.026.627.226.725.624.4
Average temperature (°C)20.620.521.722.724.124.023.323.723.924.023.022.2
Average night temperature (°C)19.218.919.319.621.221.821.721.821.621.921.320.5
Absolute minimum temperature (°C)16.616.416.817.218.719.719.620.720.620.320.118.3

National Park Arenal monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.611.812.112.412.612.712.712.512.211.911.611.5
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)6.77.19.210.19.17.86.57.48.96.66.06.3
Precipitation (mm)617621327254234394319414220607508482
Sunny days000700001000
Rainy days312831233130313129313031
Snow days000000000000

National Park Arenal - weather forecast by months

National Park Arenal weather in januaryNational Park Arenal weather in februaryNational Park Arenal weather in marchNational Park Arenal weather in aprilNational Park Arenal weather in mayNational Park Arenal weather in juneNational Park Arenal weather in julyNational Park Arenal weather in augustNational Park Arenal weather in septemberNational Park Arenal weather in octoberNational Park Arenal weather in novemberNational Park Arenal weather in december

Best time to visit National Park Arenal:

The best time to visit National Park Arenal during the most sunny months:

  • April — 10.1(h)

The largest precipitation sum in National Park Arenal is at

  • January — 617(mm)
  • February — 621(mm)
  • October — 607(mm)

    • Weather forecast in the closest to National Park Arenal admin centers

    Weather forecast in the closest towns to National Park Arenal

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    Frequently asked questions

    When is the best time to visit National Park Arenal?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit National Park Arenal.
    What is the weather like in National Park Arenal?
    See average temperature, rainfall and daylight hours for National Park Arenal by month in the table above.
    How many sunny days does National Park Arenal have?
    The monthly weather statistics above show sunshine and rainfall patterns for National Park Arenal throughout the year.