Aargau, Switzerland Weather

  1. Aargau, Switzerland Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Aargau over the next 12 hours
  7. Temperature and possibility of rain in Aargau in the coming days
  8. Rainfall in Aargau in the coming days
  9. Aargau Weather Summary
  10. Weather averages by month
  11. Aargau's weather
  12. Frequently asked questions
  13. Comments
Aargau, Weather
(Photo by Dino Reichmuth on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Slight Rain Showers

Pressure: 965 hPa

Feel like: 22 °C

Temperature: 20°C

Cloud: 100%

Humidity: 77%

Wind: S - 5 km/h

Visibility: 35.72 km

Weather forecast

Sat
20 Jun
16°C / 35°C
Overcast
Sun
21 Jun
19°C / 35°C
Overcast
Mon
22 Jun
18°C / 37°C
Partly Cloudy
Tue
23 Jun
17°C / 36°C
Slight Rain Showers
Wed
24 Jun
17°C / 33°C
Fog
Hourly forecast today:
20:00 PM
16° / 20°
16° / 20°
Slight Rain Showers
77% 11 km/h
21:00 PM
16° / 20°
16° / 20°
Overcast
78% 12 km/h
22:00 PM
15° / 20°
15° / 20°
Overcast
77% 10 km/h
23:00 PM
15° / 20°
15° / 20°
Overcast
72% 5 km/h
00:00 AM
16° / 18°
16° / 18°
Partly Cloudy
87% 8 km/h
01:00 AM
15° / 19°
15° / 19°
Partly Cloudy
81% 6 km/h
02:00 AM
16° / 18°
16° / 18°
Partly Cloudy
83% 5 km/h
03:00 AM
15° / 18°
15° / 18°
Mainly Clear
82% 5 km/h
04:00 AM
15° / 18°
15° / 18°
Clear Sky
83% 6 km/h
05:00 AM
16° / 19°
16° / 19°
Mainly Clear
85% 6 km/h
06:00 AM
18° / 20°
18° / 20°
Mainly Clear
87% 6 km/h

30 Day Averages and Extremes

  • Average high 26.5°C
  • Average low 15.13°C
  • Hottest day 37°C (22 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 58.0%
  • Days with precipitation 15 days
  • Highest precipitation 28 mm (30 June 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 18°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Aargau over the next 12 hours

Temperature and possibility of rain in Aargau in the coming days

Rainfall in Aargau in the coming days

Aargau Climate Summary

Aargau features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.02ºC (51.84ºF), which is about 1.92% higher than the national average for Switzerland. Annually, the city experiences approximately 118.76 millimeters (4.68 inches) of rainfall, spread across 164.17 rainy days, accounting for 44.98% of the year.

Longitude 47.3876664
Latitude 8.2554295
Yearly high temperature 14.46ºC (58.03ºF)
Yearly low temperature 5.04ºC (41.07ºF)
Hottest month August 24.4ºC (75.92ºF)
Coldest month December -0.73ºC (30.69ºF)
Yearly precip 118.76mm (4.68in)
Days with rainfall 164.17 days (44.98%)
Driest month March (80.55%)
Wettest month June (77.78%)

Weather averages by month

Month High / Low (°C) Rain
January 3.82° / -2.08° 14.73 days
February 5.16° / -2.33° 12.09 days
March 10.4° / 0.78° 12.36 days
April 15.48° / 4.2° 12.36 days
May 17.89° / 6.8° 17.27 days
June 22.54° / 10.79° 16.36 days
July 24.51° / 12.85° 15.64 days
August 24.4° / 13.17° 14.82 days
September 20.52° / 9.66° 11.91 days
October 15.1° / 5.55° 11.36 days
November 8.96° / 1.84° 10.36 days
December 4.74° / -0.73° 14.91 days

Aargau's weather

Frequently asked questions

1. What is the hottest month in Aargau?

August has the highest average monthly temperature (daily mean of 24.4ºC) and December are the coolest (daily mean of -0.73ºC).

2. What should I wear in Aargau today?

For today's very hot weather in Aargau, with the high temperatures above 33ºC (91.4ºF), consider wearing:
- Sleeveless tops or vests
- UV-blocking sunglasses
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks

Temperature

Early
14°C / 18°C
Morning
17°C / 27°C
Afternoon
15°C / 31°C
Evening
16°C / 20°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 460
  • CO 135
  • NH3 8
  • NO2 6
  • O3 84
  • PM10 10
  • PM25 7
  • SO2 0
  • CH4 1,425

Sunrise / Sunset

03:30
19:27