Best year time to visit Jero

General weather information about Jero

Average annual temperature is 4.1 °C

Absolute maximum temperature: 27.8 °C

Absolute minimum temperature: -18.6 °C

Number of sunny days: 109 days

Number of rainy days: 172 days

Number of snow days: 84 days

Look at detailed online map of Jero

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

Jero air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.0	2.5	4.3	16.4	21.7	24.9	23.6	27.8	20.1	11.5	2.4	2.2
Average daytime temperature (°C)	-2.7	-3.4	-2.1	6.9	13.8	18.9	18.2	20.1	16.0	3.6	-2.4	-5.8
Average temperature (°C)	-4.2	-5.4	-4.7	1.3	9.5	15.0	15.6	17.2	13.5	2.1	-4.1	-7.2
Average night temperature (°C)	-5.9	-7.4	-7.4	-2.7	4.8	10.6	12.7	14.2	11.2	0.6	-5.7	-8.6
Absolute minimum temperature (°C)	-18.6	-15.6	-15.3	-9.4	-3.1	3.1	9.5	9.8	7.9	-5.9	-17.9	-15.6

Jero 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)	0.6	1.7	4.8	10.7	12.3	14.1	9.2	10.2	5.6	2.5	0.1	0.2
Precipitation (mm)	70	24	81	23	39	98	172	89	121	90	73	46
Sunny days	11	9	7	21	14	10	5	6	4	12	4	6
Rainy days	9	1	7	9	15	20	26	25	26	17	12	5
Snow days	11	18	17	0	2	0	0	0	0	2	14	20

Jero - weather forecast by months

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

Best time to visit Jero:

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

April — 10.7(h)
May — 12.3(h)
June — 14.1(h)
July — 9.2(h)
August — 10.2(h)

Months with the longest average daylight duration in Jero:

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

The largest precipitation sum in Jero is at

June — 98(mm)

July — 172(mm)

September — 121(mm)

Weather forecast in the closest to Jero admin centers