Climate of Aarau

Aarau has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Aarau is 13° degrees and there is about 711 mm of rain in a year. It is dry for 134 days a year with an average humidity of 82% and an UV-index of 3.

Climate averages for the whole year

Day: the average daily temperature during the day is between 3°C and 23°C
Night:the average nighttime temperature is between -4°C and 12°C
Rain: it rains 186 days and there is a total of approximately 711 mm rainfall
Snow: it snows an average of 40 days per year
Sun hours: throughout the year there are 2895 sun hours

Maximum temperature:	between 3°C and 23°C
Warmest month:	23°C in July
Coldest month:	3°C in January
Night temperature:	between -4°C and 12°C
Dry days:	139 days
Days with rain:	186 days
Days with snow:	40 days
Total rain sum:	711 mm
Hours of sunshine:	2895 hours

Climate of Aarau
Temperature graph
Precipitation graph
Climate chart of Aarau
The best travel time for Aarau
Climate of Aarau by month
Experiences with the weather of Aarau

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Aarau.

Precipitation graph

This graph shows the average amount of rainfall per month for Aarau.

Climate table of Aarau

In this climate table you can see at a glance what the average weather per month is for Aarau. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Aarau might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	3	3	9	14	17	21	23	23	19	14	8	4
Night temp. (°C)	-3	-4	0	3	6	10	12	12	8	5	1	-2
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	58	41	47	42	81	88	84	66	42	44	47	71
Days with rain	13	10	14	16	22	20	20	18	14	12	12	15
Days with snow	10	10	6	1	-	-	-	-	-	-	5	8
Dry days	8	8	11	13	9	10	11	13	16	19	13	8
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	5	7	10	10	10	11	11	9	6	6	5
Wind force (Bft)	2	2	2	2	2	2	2	2	2	2	2	2
UV-index	2	2	3	3	4	5	5	4	4	3	2	2

Best time to visit Aarau

The best time to visit Aarau in Switzerland is from June through September. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Aarau is 23°C in July and the lowest is 3°C in January.

Climate of Aarau by month

What is the average climate in a given month for Aarau? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January