Best year time to visit Byn

General weather information about Byn

Average annual temperature is 4.7 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -21.6 °C

Number of sunny days: 142 days

Number of rainy days: 163 days

Number of snow days: 60 days

Look at detailed online map of Byn

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

Byn air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.4	6.2	6.2	13.6	21.4	30.0	25.3	30.5	22.9	13.1	4.7	5.0
Average daytime temperature (°C)	-0.6	-0.2	-0.6	7.6	14.4	20.4	20.3	20.4	17.3	5.2	-1.0	-3.7
Average temperature (°C)	-2.6	-2.6	-4.4	1.7	9.5	15.6	16.2	16.5	13.8	2.0	-3.1	-6.3
Average night temperature (°C)	-5.1	-5.7	-8.5	-3.4	4.0	9.8	11.8	12.4	10.2	-0.9	-6.4	-9.7
Absolute minimum temperature (°C)	-19.7	-12.1	-16.3	-13.3	-2.6	2.0	9.8	9.0	1.5	-7.9	-21.6	-16.6

Byn monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	7.0	10.0	13.0	16.0	19.0	20.0	20.0	17.0	14.0	11.0	8.0	5.0
Daylight mean duration (h)	5.9	8.7	11.8	15.0	18.1	20.1	19.1	16.1	13.0	9.9	6.8	4.9
Daylight minimum duration (h)	4.0	7.0	10.0	13.0	16.0	19.0	17.0	14.0	11.0	8.0	5.0	4.0
Sunshine mean duration (h)	1.2	3.1	5.6	9.7	13.0	14.9	11.9	9.0	6.3	5.1	0.7	0.6
Precipitation (mm)	58	28	58	43	40	31	96	139	90	71	81	36
Sunny days	11	14	10	22	19	17	5	4	7	12	9	12
Rainy days	12	4	9	8	12	13	26	27	23	17	10	2
Snow days	8	10	12	0	0	0	0	0	0	2	11	17

Byn - weather forecast by months

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

Best time to visit Byn:

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

April — 9.7(h)
May — 13.0(h)
June — 14.9(h)
July — 11.9(h)
August — 9.0(h)

Months with the longest average daylight duration in Byn:

May — 18.1(h)
June — 20.1(h)
July — 19.1(h)
August — 16.1(h)

The largest precipitation sum in Byn is at

July — 96(mm)

August — 139(mm)

September — 90(mm)

November — 81(mm)

Weather forecast in the closest to Byn admin centers