Best year time to visit Bonna

General weather information about Bonna

Average annual temperature is 4.6 °C

Absolute maximum temperature: 27.2 °C

Absolute minimum temperature: -17.0 °C

Number of sunny days: 146 days

Number of rainy days: 165 days

Number of snow days: 54 days

Look at detailed online map of Bonna

* Weather data for Bonna Norway is based on climate observations for 2026 year

Bonna air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.36.45.714.620.627.223.020.221.814.33.06.3
Average daytime temperature (°C)-1.31.50.26.613.821.517.116.815.36.0-1.4-4.3
Average temperature (°C)-3.1-1.2-2.62.98.916.713.813.712.23.4-3.1-6.5
Average night temperature (°C)-5.1-3.4-5.2-0.13.611.410.511.19.21.1-5.2-9.0
Absolute minimum temperature (°C)-14.3-9.1-11.2-5.3-2.83.47.58.25.1-5.1-14.4-17.0

Bonna monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.018.018.016.014.011.08.06.0
Daylight mean duration (h)6.89.111.814.617.218.718.015.612.910.17.56.0
Daylight minimum duration (h)6.07.010.013.015.018.016.014.011.08.06.05.0
Sunshine mean duration (h)2.15.66.78.512.814.411.08.36.65.11.31.0
Precipitation (mm)16653861492457214284157569078
Sunny days101514142020221017913
Rainy days841012101029292011139
Snow days1397410000389

Bonna - weather forecast by months

Bonna weather in januaryBonna weather in februaryBonna weather in marchBonna weather in aprilBonna weather in mayBonna weather in juneBonna weather in julyBonna weather in augustBonna weather in septemberBonna weather in octoberBonna weather in novemberBonna weather in december

Best time to visit Bonna:

The best time to visit Bonna during the most sunny months:

  • May — 12.8(h)
  • June — 14.4(h)
  • July — 11.0(h)

Months with the longest average daylight duration in Bonna:

  • May — 17.2(h)
  • June — 18.7(h)
  • July — 18.0(h)
  • August — 15.6(h)

The largest precipitation sum in Bonna is at

  • January — 166(mm)
  • April — 149(mm)
  • July — 214(mm)
  • August — 284(mm)
  • September — 157(mm)

    • Weather forecast in the closest to Bonna admin centers

    Weather forecast in the closest towns to Bonna

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    Frequently asked questions

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