Best year time to visit Łomża

General weather information about Łomża

Average annual temperature is 9.7 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -9.6 °C

Number of sunny days: 134 days

Number of rainy days: 204 days

Number of snow days: 27 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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.5	7.8	17.2	21.0	24.3	28.0	33.8	32.5	27.5	23.0	12.7	8.0
Average daytime temperature (°C)	3.8	3.1	7.7	12.6	18.3	22.7	24.5	25.2	23.0	13.0	5.1	2.5
Average temperature (°C)	2.1	0.6	3.5	8.1	13.2	17.8	19.6	20.4	17.7	9.8	2.7	0.8
Average night temperature (°C)	0.3	-2.2	-0.6	3.2	7.0	12.0	14.0	15.8	12.6	6.2	0.1	-1.4
Absolute minimum temperature (°C)	-5.2	-6.8	-5.6	-5.0	-0.3	4.7	10.6	9.9	8.9	0.5	-9.0	-9.6

Łomża monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.2	9.8	11.9	14.0	15.9	16.9	16.4	14.7	12.7	10.6	8.7	7.6
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	1.6	3.3	6.5	8.1	11.2	11.3	12.4	10.3	10.0	4.4	3.1	1.2
Precipitation (mm)	61	49	55	43	37	64	40	106	8	120	72	76
Sunny days	7	11	7	9	23	14	8	8	24	7	9	7
Rainy days	18	13	19	20	8	16	23	23	6	24	16	18
Snow days	6	4	5	1	0	0	0	0	0	0	5	6

Łomża - weather forecast by months

Łomża weather in january Łomża weather in february Łomża weather in march Łomża weather in april Łomża weather in may Łomża weather in june Łomża weather in july Łomża weather in august Łomża weather in september Łomża weather in october Łomża weather in november Łomża weather in december

Best time to visit Łomża:

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

May — 11.2(h)
June — 11.3(h)
July — 12.4(h)
August — 10.3(h)
September — 10.0(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 — 106(mm)

October — 120(mm)

Weather forecast in the closest to Łomża admin centers