Best year time to visit Herajoki

General weather information about Herajoki

Average annual temperature is 4.1 °C

Absolute maximum temperature: 28.1 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 110 days

Number of rainy days: 165 days

Number of snow days: 90 days

Look at detailed online map of Herajoki

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

Herajoki air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.0	2.7	4.2	15.9	22.4	25.1	23.8	28.1	20.5	11.4	2.5	2.1
Average daytime temperature (°C)	-2.6	-3.3	-1.9	7.3	14.1	19.2	18.3	20.2	16.1	3.6	-2.4	-5.9
Average temperature (°C)	-4.2	-5.4	-4.5	1.4	9.6	14.9	15.6	17.2	13.6	2.0	-4.0	-7.2
Average night temperature (°C)	-5.9	-7.4	-7.3	-2.7	4.5	10.2	12.6	14.0	11.1	0.5	-5.5	-8.4
Absolute minimum temperature (°C)	-18.5	-15.7	-14.4	-9.4	-3.0	2.5	9.0	10.0	7.3	-6.0	-17.9	-15.5

Herajoki 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)	6.0	8.7	11.8	15.0	18.0	20.1	19.0	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	1.8	4.8	10.8	12.6	14.5	9.2	10.3	5.9	2.8	0.1	0.2
Precipitation (mm)	76	25	84	24	37	99	210	103	132	96	71	47
Sunny days	11	9	9	21	12	12	7	6	3	10	4	6
Rainy days	6	2	6	9	16	18	24	25	27	17	11	4
Snow days	14	17	16	0	3	0	0	0	0	4	15	21

Herajoki - weather forecast by months

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

Best time to visit Herajoki:

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

April — 10.8(h)
May — 12.6(h)
June — 14.5(h)
July — 9.2(h)
August — 10.3(h)

Months with the longest average daylight duration in Herajoki:

May — 18.0(h)
June — 20.1(h)
July — 19.0(h)
August — 16.1(h)

The largest precipitation sum in Herajoki is at

July — 210(mm)

September — 132(mm)

Weather forecast in the closest to Herajoki admin centers