Best year time to visit Koumassan

General weather information about Koumassan

Average annual temperature is 24.1 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: 13.6 °C

Number of sunny days: 102 days

Number of rainy days: 263 days

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* Weather data for Koumassan Guinea is based on climate observations for 2026 year

Koumassan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)35.036.536.133.933.730.530.030.530.331.032.934.3
Average daytime temperature (°C)33.033.732.731.530.228.128.027.828.328.929.031.4
Average temperature (°C)24.026.225.825.224.623.523.223.123.423.623.623.1
Average night temperature (°C)17.020.321.121.621.520.920.720.720.820.620.016.4
Absolute minimum temperature (°C)13.617.418.620.220.320.219.119.119.519.516.914.4

Koumassan 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)11.711.812.112.312.512.612.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)10.19.98.88.57.76.97.26.77.88.78.610.4
Precipitation (mm)301591782313183583653051931644
Sunny days2722162000100727
Rainy days461528313031303031234
Snow days000000000000

Koumassan - weather forecast by months

Koumassan weather in januaryKoumassan weather in februaryKoumassan weather in marchKoumassan weather in aprilKoumassan weather in mayKoumassan weather in juneKoumassan weather in julyKoumassan weather in augustKoumassan weather in septemberKoumassan weather in octoberKoumassan weather in novemberKoumassan weather in december

Best time to visit Koumassan:

The largest precipitation sum in Koumassan is at

  • May — 231(mm)
  • June — 318(mm)
  • July — 358(mm)
  • August — 365(mm)
  • September — 305(mm)

    • Weather forecast in the closest to Koumassan admin centers

    Weather forecast in the closest towns to Koumassan

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    Frequently asked questions

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