Best year time to visit Hanko

General weather information about Hanko

Average annual temperature is 6.9 °C

Absolute maximum temperature: 26.7 °C

Absolute minimum temperature: -14.0 °C

Number of sunny days: 120 days

Number of rainy days: 208 days

Number of snow days: 37 days

Look at detailed online map of Hanko

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

Hanko air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.6	6.1	5.2	11.8	18.8	26.6	23.5	26.7	20.4	14.7	9.3	5.4
Average daytime temperature (°C)	1.5	0.9	1.0	7.1	12.1	19.0	19.1	19.4	17.6	8.3	3.0	-1.2
Average temperature (°C)	0.0	-0.7	-1.0	4.0	9.3	16.0	16.6	17.4	15.7	6.2	1.6	-2.8
Average night temperature (°C)	-1.7	-2.8	-3.6	1.0	5.6	12.1	13.4	15.2	13.0	3.7	-0.3	-4.6
Absolute minimum temperature (°C)	-10.2	-11.6	-11.0	-5.6	-1.0	5.4	9.4	12.7	5.6	-3.0	-10.4	-14.0

Hanko 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	15.0	18.0	18.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.9	9.2	11.8	14.6	17.1	18.7	17.9	15.6	12.9	10.2	7.6	6.1
Daylight minimum duration (h)	6.0	8.0	10.0	13.0	15.0	18.0	16.0	14.0	11.0	8.0	6.0	5.0
Sunshine mean duration (h)	1.4	3.3	6.1	11.1	13.8	15.7	13.9	10.0	8.3	5.0	1.3	0.8
Precipitation (mm)	90	53	88	19	32	9	71	134	46	123	78	65
Sunny days	7	12	11	20	22	22	2	2	8	5	5	4
Rainy days	18	11	13	10	9	8	29	29	22	25	20	14
Snow days	6	5	7	0	0	0	0	0	0	1	5	13

Hanko - weather forecast by months

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

Best time to visit Hanko:

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

April — 11.1(h)
May — 13.8(h)
June — 15.7(h)
July — 13.9(h)
August — 10.0(h)

Months with the longest average daylight duration in Hanko:

May — 17.1(h)
June — 18.7(h)
July — 17.9(h)
August — 15.6(h)

The largest precipitation sum in Hanko is at

January — 90(mm)

March — 88(mm)

August — 134(mm)

October — 123(mm)

Weather forecast in the closest to Hanko admin centers