Best year time to visit Rossum

General weather information about Rossum

Average annual temperature is 27.1 °C

Absolute maximum temperature: 40.4 °C

Absolute minimum temperature: 17.0 °C

Number of sunny days: 222 days

Number of rainy days: 143 days

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* Weather data for Rossum Guinea-Bissau is based on climate observations for 2026 year

Rossum air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)37.139.540.440.238.636.132.531.432.433.234.835.3
Average daytime temperature (°C)33.235.834.235.634.132.029.629.130.231.032.633.1
Average temperature (°C)25.627.827.228.929.028.226.626.226.727.226.725.5
Average night temperature (°C)19.721.621.623.725.325.624.424.224.424.621.719.7
Absolute minimum temperature (°C)17.420.120.121.222.624.123.023.423.223.417.017.1

Rossum 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)11.511.712.112.412.712.812.712.512.211.911.611.4
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)10.110.710.811.09.69.58.37.38.58.810.29.8
Precipitation (mm)000015929637527617050
Sunny days31283130271200162630
Rainy days00004183131292541
Snow days000000000000

Rossum - weather forecast by months

Rossum weather in januaryRossum weather in februaryRossum weather in marchRossum weather in aprilRossum weather in mayRossum weather in juneRossum weather in julyRossum weather in augustRossum weather in septemberRossum weather in octoberRossum weather in novemberRossum weather in december

Best time to visit Rossum:

The largest precipitation sum in Rossum is at

  • July — 296(mm)
  • August — 375(mm)
  • September — 276(mm)
  • October — 170(mm)

    • Weather forecast in the closest to Rossum admin centers

    Weather forecast in the closest towns to Rossum

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    Frequently asked questions

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