Best year time to visit Kotka

General weather information about Kotka

Average annual temperature is 6.2 °C

Absolute maximum temperature: 28.0 °C

Absolute minimum temperature: -16.9 °C

Number of sunny days: 122 days

Number of rainy days: 186 days

Number of snow days: 57 days

Look at detailed online map of Kotka

* Weather data for Kotka Finland is based on climate observations for 2026 year

Kotka air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.45.14.814.119.825.822.228.020.314.88.93.8
Average daytime temperature (°C)-0.4-1.00.48.013.719.819.220.517.57.31.9-2.1
Average temperature (°C)-2.2-3.1-2.24.19.916.116.617.815.45.00.1-3.9
Average night temperature (°C)-4.2-6.9-5.6-0.25.310.913.514.812.92.9-2.1-6.4
Absolute minimum temperature (°C)-12.3-16.9-15.9-7.8-2.13.610.411.17.0-1.9-10.7-12.4

Kotka 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)6.79.111.814.617.318.918.115.712.910.17.55.9
Daylight minimum duration (h)5.07.010.013.016.018.017.014.011.08.06.05.0
Sunshine mean duration (h)0.72.55.111.813.615.613.511.48.54.81.10.4
Precipitation (mm)103398314382910776811197875
Sunny days9107221815588776
Rainy days1471181215262322191415
Snow days811130100005910

Best time to visit Kotka:

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

  • April — 11.8(h)
  • May — 13.6(h)
  • June — 15.6(h)
  • July — 13.5(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Kotka:

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

The largest precipitation sum in Kotka is at

  • January — 103(mm)
  • July — 107(mm)
  • October — 119(mm)