Best year time to visit Olten

General weather information about Olten

Average annual temperature is 11.7 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: -8.8 °C

Number of sunny days: 134 days

Number of rainy days: 220 days

Number of snow days: 11 days

Look at detailed online map of Olten

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

Olten air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.0	14.9	19.2	19.2	24.7	31.0	34.4	34.3	29.6	26.0	15.7	12.0
Average daytime temperature (°C)	5.8	8.2	11.4	12.4	18.7	26.4	25.6	25.6	24.3	18.6	9.2	7.0
Average temperature (°C)	3.1	3.3	7.0	8.3	14.0	20.6	20.5	20.5	18.7	13.4	6.3	4.0
Average night temperature (°C)	0.4	-0.4	2.7	4.3	9.6	14.6	15.7	15.8	13.4	9.0	3.3	1.1
Absolute minimum temperature (°C)	-5.6	-5.2	-3.2	-1.7	6.0	11.8	10.8	9.2	7.0	3.3	-1.8	-8.8

Olten 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	8.5
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)	2.7	6.3	6.6	6.6	8.8	13.5	11.7	10.1	10.1	7.6	3.3	3.0
Precipitation (mm)	48	23	130	141	108	54	240	120	42	87	217	152
Sunny days	8	14	12	4	8	18	8	11	21	16	4	10
Rainy days	16	13	19	26	23	12	23	20	9	15	25	19
Snow days	7	1	0	0	0	0	0	0	0	0	1	2

Olten - weather forecast by months

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

Best time to visit Olten:

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

June — 13.5(h)
July — 11.7(h)
August — 10.1(h)
September — 10.1(h)

Months with the longest average daylight duration in Olten:

June — 15.9(h)
July — 15.5(h)

The largest precipitation sum in Olten is at

July — 240(mm)

November — 217(mm)

December — 152(mm)

Weather forecast in the closest to Olten admin centers