Best year time to visit Grenchen

General weather information about Grenchen

Average annual temperature is 11.4 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -6.6 °C

Number of sunny days: 131 days

Number of rainy days: 221 days

Number of snow days: 13 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)	13.8	14.3	18.2	19.5	23.5	30.4	33.2	36.3	30.1	26.3	15.0	12.1
Average daytime temperature (°C)	5.2	8.3	11.2	12.3	18.3	25.8	25.4	25.7	24.3	18.5	8.8	6.7
Average temperature (°C)	2.6	3.4	6.6	8.1	13.8	20.2	20.3	20.4	18.7	13.3	5.8	3.6
Average night temperature (°C)	0.1	-0.5	2.0	3.9	9.1	14.2	15.5	15.5	13.6	8.7	2.8	1.1
Absolute minimum temperature (°C)	-6.6	-5.6	-3.3	-2.1	5.9	11.0	9.9	9.5	6.9	2.8	-3.6	-6.6

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)	2.5	6.4	6.7	7.7	9.1	13.5	11.9	10.4	10.3	7.6	3.6	3.5
Precipitation (mm)	55	20	140	116	119	40	182	116	41	100	197	169
Sunny days	10	15	9	5	8	17	8	10	20	15	4	10
Rainy days	13	11	22	25	23	13	23	21	10	16	24	20
Snow days	8	2	0	0	0	0	0	0	0	0	2	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 — 11.9(h)
August — 10.4(h)
September — 10.3(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

March — 140(mm)

July — 182(mm)

November — 197(mm)

December — 169(mm)

Weather forecast in the closest to Grenchen admin centers