Best year time to visit Bastö

General weather information about Bastö

Average annual temperature is 6.7 °C

Absolute maximum temperature: 22.2 °C

Absolute minimum temperature: -9.7 °C

Number of sunny days: 136 days

Number of rainy days: 183 days

Number of snow days: 46 days

Look at detailed online map of Bastö

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

Bastö air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.8	6.1	4.4	9.2	14.9	21.4	19.5	22.2	19.2	14.9	9.3	4.8
Average daytime temperature (°C)	1.3	0.9	0.9	4.7	9.7	15.7	16.9	18.4	17.2	8.7	3.6	-0.5
Average temperature (°C)	0.0	-0.5	-0.7	2.9	7.8	14.0	15.9	17.4	15.9	7.1	2.4	-1.8
Average night temperature (°C)	-1.4	-2.5	-2.7	1.3	6.0	12.2	14.8	16.4	14.5	5.4	1.1	-3.2
Absolute minimum temperature (°C)	-8.1	-8.1	-9.5	-5.2	0.1	5.4	13.3	14.6	10.6	-0.4	-8.3	-9.7

Bastö 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	17.2	18.7	17.9	15.6	12.9	10.1	7.6	6.1
Daylight minimum duration (h)	6.0	7.0	10.0	13.0	15.0	18.0	16.0	14.0	11.0	8.0	6.0	5.0
Sunshine mean duration (h)	1.1	3.0	5.7	11.1	13.2	15.7	13.6	10.2	8.2	4.5	1.6	0.7
Precipitation (mm)	98	44	75	16	28	9	100	103	42	129	83	67
Sunny days	8	10	8	22	20	23	12	10	11	4	3	5
Rainy days	17	9	11	8	11	7	19	21	19	27	21	13
Snow days	6	9	12	0	0	0	0	0	0	0	6	13

Bastö - weather forecast by months

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

Best time to visit Bastö:

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

April — 11.1(h)
May — 13.2(h)
June — 15.7(h)
July — 13.6(h)
August — 10.2(h)

Months with the longest average daylight duration in Bastö:

May — 17.2(h)
June — 18.7(h)
July — 17.9(h)
August — 15.6(h)

The largest precipitation sum in Bastö is at

January — 98(mm)

July — 100(mm)

August — 103(mm)

October — 129(mm)

Weather forecast in the closest to Bastö admin centers