Weather in Heiniemi in August

General weather information about Heiniemi

Average annual temperature is 4.3 °C

Absolute maximum temperature: 28.9 °C

Absolute minimum temperature: -17.5 °C

Number of sunny days: 131 days

Number of rainy days: 161 days

Number of snow days: 73 days

Look at detailed online map of Heiniemi

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

Heiniemi air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.4	4.9	3.8	16.2	22.3	27.6	24.6	28.9	22.4	12.1	5.3	4.2
Average daytime temperature (°C)	-1.3	-1.0	-1.2	7.4	14.5	19.8	19.5	20.7	16.3	3.8	-1.6	-4.7
Average temperature (°C)	-3.1	-3.7	-5.3	1.7	9.6	15.2	15.8	16.7	13.2	1.0	-3.7	-6.4
Average night temperature (°C)	-5.2	-6.7	-9.7	-3.7	4.3	9.5	11.8	12.6	9.7	-1.3	-6.2	-8.4
Absolute minimum temperature (°C)	-15.8	-16.2	-17.1	-13.0	-3.0	1.4	8.9	8.0	1.4	-9.1	-17.5	-15.5

Heiniemi 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)	5.6	8.6	11.8	15.1	18.4	20.7	19.5	16.3	13.0	9.8	6.6	4.5
Daylight minimum duration (h)	4.0	7.0	10.0	13.0	16.0	19.0	18.0	14.0	11.0	8.0	5.0	4.0
Sunshine mean duration (h)	1.2	2.6	5.8	9.5	12.3	14.0	11.0	10.0	5.8	4.3	0.5	0.2
Precipitation (mm)	55	22	43	56	50	46	152	85	92	97	64	42
Sunny days	10	13	11	20	13	12	3	9	7	14	10	9
Rainy days	12	2	4	8	15	18	28	22	23	16	7	6
Snow days	9	13	16	2	3	0	0	0	0	1	13	16

Heiniemi - weather forecast by months

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

Best time to visit Heiniemi:

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

April — 9.5(h)
May — 12.3(h)
June — 14.0(h)
July — 11.0(h)
August — 10.0(h)

Months with the longest average daylight duration in Heiniemi:

May — 18.4(h)
June — 20.7(h)
July — 19.5(h)
August — 16.3(h)

The largest precipitation sum in Heiniemi is at

July — 152(mm)

August — 85(mm)

September — 92(mm)

October — 97(mm)

Weather forecast in the closest to Heiniemi admin centers