Weather in Arenal in May

General weather information about Arenal

Average annual temperature is 26.9 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: 22.8 °C

Number of sunny days: 99 days

Number of rainy days: 266 days

Look at detailed online map of Arenal

* Weather data for Arenal Panama is based on climate observations for 2026 year

Arenal air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.430.130.931.833.431.531.731.231.330.630.231.0
Average daytime temperature (°C)28.229.329.630.530.829.629.529.329.429.328.829.8
Average temperature (°C)26.126.626.927.727.927.127.026.526.626.326.027.5
Average night temperature (°C)24.424.624.525.125.724.924.824.224.223.923.925.6
Absolute minimum temperature (°C)23.123.422.923.724.123.422.823.023.423.222.922.9

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)11.711.912.112.312.512.612.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)10.611.011.011.010.08.88.47.58.58.68.110.0
Precipitation (mm)632231161242368392310300396103
Sunny days9242420701111011
Rainy days2247102430303029303020
Snow days000000000000

Best time to visit Arenal:

The largest precipitation sum in Arenal is at

  • July — 368(mm)
  • August — 392(mm)
  • September — 310(mm)
  • October — 300(mm)
  • November — 396(mm)
  • Frequently asked questions

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