Weather in Simplon in August

General weather information about Simplon

Average annual temperature is 5.9 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -16.3 °C

Number of sunny days: 129 days

Number of rainy days: 148 days

Number of snow days: 88 days

Look at detailed online map of Simplon

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

Simplon air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.3	10.3	7.9	9.7	15.4	22.2	24.2	27.1	24.0	21.3	8.7	11.1
Average daytime temperature (°C)	-0.3	3.2	3.1	4.0	9.8	16.1	19.0	18.7	17.5	12.1	2.4	3.2
Average temperature (°C)	-3.0	0.3	0.3	1.0	7.3	12.6	15.2	14.7	13.8	9.2	-0.9	0.3
Average night temperature (°C)	-5.9	-2.8	-3.4	-2.7	4.2	7.9	11.0	10.8	10.2	5.7	-5.0	-3.2
Absolute minimum temperature (°C)	-16.3	-12.0	-10.7	-9.6	-0.2	3.2	4.7	0.5	2.5	-4.3	-11.4	-13.4

Simplon 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)	9.1	10.3	11.9	13.6	15.0	15.7	15.4	14.1	12.6	10.9	9.5	8.7
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)	5.9	8.3	8.0	9.6	10.1	12.2	12.5	11.4	9.8	6.9	5.1	4.7
Precipitation (mm)	31	16	131	62	155	93	94	166	92	157	170	144
Sunny days	14	18	10	11	7	9	2	9	12	15	7	15
Rainy days	1	1	0	7	18	21	29	21	18	15	8	9
Snow days	16	9	21	12	6	0	0	1	0	1	15	7

Simplon - weather forecast by months

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Best time to visit Simplon:

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

June — 12.2(h)
July — 12.5(h)
August — 11.4(h)

Months with the longest average daylight duration in Simplon:

June — 15.7(h)
July — 15.4(h)

The largest precipitation sum in Simplon is at

May — 155(mm)

August — 166(mm)

October — 157(mm)

November — 170(mm)

December — 144(mm)

Weather forecast in the closest to Simplon admin centers