Weather in Osa in May

General weather information about Osa

Average annual temperature is 6.9 °C

Absolute maximum temperature: 28.2 °C

Absolute minimum temperature: -16.2 °C

Number of sunny days: 103 days

Number of rainy days: 194 days

Number of snow days: 68 days

Look at detailed online map of Osa

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

Osa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.17.28.017.221.528.227.023.324.713.79.78.7
Average daytime temperature (°C)1.43.91.89.214.022.719.118.716.98.43.2-0.1
Average temperature (°C)-1.41.5-1.15.610.318.315.715.613.65.80.8-2.6
Average night temperature (°C)-4.4-1.3-4.61.86.012.912.312.69.93.6-1.7-5.2
Absolute minimum temperature (°C)-16.2-9.1-15.2-5.30.54.89.910.25.4-0.4-11.8-12.3

Osa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)7.010.013.015.018.019.018.016.014.011.08.06.0
Daylight mean duration (h)6.79.111.814.717.318.918.115.712.910.17.45.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)1.52.25.99.09.413.89.68.05.64.73.41.3
Precipitation (mm)2101969442867424823327315673207
Sunny days551017101402513148
Rainy days13138821163129251668
Snow days13101350000021015

Best time to visit Osa:

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

  • April — 9.0(h)
  • May — 9.4(h)
  • June — 13.8(h)
  • July — 9.6(h)
  • August — 8.0(h)

Months with the longest average daylight duration in Osa:

  • May — 17.3(h)
  • June — 18.9(h)
  • July — 18.1(h)
  • August — 15.7(h)

The largest precipitation sum in Osa is at

  • January — 210(mm)
  • July — 248(mm)
  • August — 233(mm)
  • September — 273(mm)
  • December — 207(mm)
  • Frequently asked questions

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