Switzerland · Regional climate

Aargauwhen to go

Regional slice of Switzerland with its own temperature profile. Best months here: Sep · Feb · Mar.

Range: 4–25 °C
Compare: +3.9°C vs. Switzerland mean
Country: Switzerland
TZ: Europe/Zurich

Region match

Good option

Free-tier default preferences. Tune preferences on the map to reshape this score.

12-month climate · Aargau

How the year moves in Aargau

Ten years of ERA5, aggregated over Aargau itself rather than over Switzerland as a whole — the same series the month-by-month scores below are built from.

Temperature°C

View data table

Month	Average daytime high (°C)
January	4.1
February	7.3
March	10.9
April	14.7
May	18.1
June	23.7
July	24.8
August	24.6
September	20.1
October	14.8
November	7.8
December	4.5

Rainfallmm

View data table

Month	Rainfall (mm)
January	119
February	78
March	88
April	99
May	150
June	149
July	143
August	146
September	109
October	99
November	99
December	109

Sunshinehr / day

View data table

Month	Sunshine hours (hr / day)
January	3.2
February	4.6
March	6.0
April	7.1
May	6.4
June	7.2
July	7.2
August	6.9
September	5.8
October	4.5
November	3.4
December	2.8

Month by month · Aargau

Pick your window

Other regions · Switzerland

Nearby and comparable

Safety · 6 governments

What the governments say about Switzerland

Combined advisory · most-cautious-wins

Exercise normal precautions

Highest level across 6 governments · Advisory last changed 2026-10-18

See breakdown by country