Best year time to visit Grenchen

General weather information about Grenchen

Average annual temperature is 10.1 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -13.2 °C

Number of sunny days: 123 days

Number of rainy days: 227 days

Number of snow days: 15 days

Look at detailed online map of Grenchen

* Weather data for Grenchen Switzerland is based on climate observations for 2026 year

Grenchen air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.3	12.9	16.5	17.5	22.1	28.6	31.1	33.2	28.5	25.3	13.3	10.5
Average daytime temperature (°C)	3.5	6.7	9.5	10.6	16.6	24.1	23.4	23.9	22.7	16.9	7.3	5.6
Average temperature (°C)	1.2	2.5	5.3	6.6	12.3	18.9	18.5	18.9	17.5	12.2	4.5	2.4
Average night temperature (°C)	-1.4	-1.1	1.0	2.5	7.9	13.5	13.9	14.3	12.9	7.7	1.7	0.0
Absolute minimum temperature (°C)	-13.2	-5.8	-4.3	-3.4	4.3	11.0	8.8	8.0	5.7	1.8	-5.0	-6.7

Grenchen monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.0	10.3	11.9	13.6	15.1	15.9	15.5	14.2	12.6	10.9	9.4	8.6
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	2.4	6.4	6.9	7.8	9.3	13.5	11.6	10.3	10.2	7.5	3.5	3.4
Precipitation (mm)	64	25	125	107	111	45	198	118	49	115	202	169
Sunny days	9	16	9	4	6	13	8	8	21	15	4	10
Rainy days	12	9	22	26	25	17	23	23	9	16	25	20
Snow days	10	3	0	0	0	0	0	0	0	0	1	1

Grenchen - weather forecast by months

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

Best time to visit Grenchen:

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

June — 13.5(h)
July — 11.6(h)
August — 10.3(h)
September — 10.2(h)

Months with the longest average daylight duration in Grenchen:

June — 15.9(h)
July — 15.5(h)

The largest precipitation sum in Grenchen is at

July — 198(mm)

November — 202(mm)

December — 169(mm)

Weather forecast in the closest to Grenchen admin centers