Best year time to visit Łomża

General weather information about Łomża

Average annual temperature is 9.9 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -7.9 °C

Number of sunny days: 136 days

Number of rainy days: 198 days

Number of snow days: 31 days

Look at detailed online map of Łomża

* Weather data for Łomża Poland is based on climate observations for 2026 year

Łomża air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.67.817.421.224.627.933.833.027.523.112.88.2
Average daytime temperature (°C)3.93.27.912.718.522.824.525.423.113.25.22.6
Average temperature (°C)2.20.73.78.313.317.919.720.617.810.02.80.9
Average night temperature (°C)0.4-2.0-0.43.47.112.114.116.012.76.40.2-1.2
Absolute minimum temperature (°C)-4.3-6.2-5.5-4.70.04.710.910.28.91.1-7.3-7.9

Łomża monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.012.014.016.016.016.015.013.011.09.07.0
Daylight mean duration (h)8.29.911.914.015.916.916.414.712.710.68.77.6
Daylight minimum duration (h)7.08.010.012.015.016.015.013.011.09.07.07.0
Sunshine mean duration (h)1.73.46.88.411.511.512.410.510.14.53.21.3
Precipitation (mm)624950514467518191117170
Sunny days71169241212822997
Rainy days1513212071819238221517
Snow days944100000067

Best time to visit Łomża:

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

  • May — 11.5(h)
  • June — 11.5(h)
  • July — 12.4(h)
  • August — 10.5(h)
  • September — 10.1(h)

Months with the longest average daylight duration in Łomża:

  • May — 15.9(h)
  • June — 16.9(h)
  • July — 16.4(h)

The largest precipitation sum in Łomża is at

  • August — 81(mm)
  • October — 111(mm)