Best year time to visit Unión Costa Rica

General weather information about Unión Costa Rica

Average annual temperature is 24.0 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: 14.5 °C

Number of sunny days: 90 days

Number of rainy days: 275 days

Look at detailed online map of Unión Costa Rica

* Weather data for Unión Costa Rica Mexico is based on climate observations for 2026 year

Unión Costa Rica air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)33.934.831.833.033.730.230.530.930.429.529.633.0
Average daytime temperature (°C)29.431.330.031.330.929.228.828.828.827.527.930.0
Average temperature (°C)22.824.123.924.825.124.723.924.023.823.123.623.9
Average night temperature (°C)17.118.419.019.420.021.119.319.319.319.519.519.1
Absolute minimum temperature (°C)14.515.415.614.718.718.717.117.317.417.716.416.4

Unión Costa Rica monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.013.013.012.012.011.011.011.0
Daylight mean duration (h)11.311.612.112.512.813.012.912.612.211.811.411.2
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)10.510.910.811.211.410.49.39.29.78.39.310.2
Precipitation (mm)741013398211233252259534915
Sunny days232166103200424
Rainy days872524303028293031267
Snow days000000000000

Unión Costa Rica - weather forecast by months

Unión Costa Rica weather in januaryUnión Costa Rica weather in februaryUnión Costa Rica weather in marchUnión Costa Rica weather in aprilUnión Costa Rica weather in mayUnión Costa Rica weather in juneUnión Costa Rica weather in julyUnión Costa Rica weather in augustUnión Costa Rica weather in septemberUnión Costa Rica weather in octoberUnión Costa Rica weather in novemberUnión Costa Rica weather in december

Best time to visit Unión Costa Rica:

The largest precipitation sum in Unión Costa Rica is at

  • June — 211(mm)
  • July — 233(mm)
  • August — 252(mm)
  • September — 259(mm)
  • October — 534(mm)

    • Weather forecast in the closest to Unión Costa Rica admin centers

    Weather forecast in the closest towns to Unión Costa Rica

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    Frequently asked questions

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