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:
21°C
69.8°F
°C °F

Condition: Overcast

Pressure: 963 hPa

Feel like: 23 °C

Temperature: 21°C

Cloud: 100%

Humidity: 76%

Wind: SW - 4 km/h

Visibility: 33.54 km

Weather forecast

Thu
06 Aug
16°C / 26°C
Overcast
Fri
07 Aug
14°C / 31°C
Overcast
Sat
08 Aug
15°C / 32°C
Overcast
Sun
09 Aug
16°C / 24°C
Slight Rain Showers
Mon
10 Aug
14°C / 25°C
Fog
Hourly forecast today:
07:00 AM
17° / 21°
17° / 21°
Overcast
76% 10 km/h
08:00 AM
17° / 23°
17° / 23°
Partly Cloudy
71% 16 km/h
09:00 AM
18° / 25°
18° / 25°
Partly Cloudy
64% 16 km/h
10:00 AM
18° / 27°
18° / 27°
Partly Cloudy
58% 16 km/h
11:00 AM
17° / 28°
17° / 28°
Partly Cloudy
50% 19 km/h
12:00 PM
17° / 29°
17° / 29°
Partly Cloudy
47% 21 km/h
13:00 PM
16° / 30°
16° / 30°
Partly Cloudy
44% 24 km/h
14:00 PM
16° / 30°
16° / 30°
Partly Cloudy
42% 23 km/h
15:00 PM
14° / 30°
14° / 30°
Partly Cloudy
38% 23 km/h
16:00 PM
14° / 30°
14° / 30°
Partly Cloudy
37% 24 km/h
17:00 PM
14° / 29°
14° / 29°
Partly Cloudy
41% 25 km/h

30 Day Averages and Extremes

  • Average high 28.53°C
  • Average low 16.03°C
  • Hottest day 36°C (29 July 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 51.47%
  • Days with precipitation 16 days
  • Highest precipitation 27 mm (17 August 2026)

Yesterday's Data

  • Max: 30°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 28ºC (82.4ºF), consider wearing:
- Lightweight t-shirt or tank top
- Thin, moisture-wicking socks
- Open-toed sandals or light sneakers
- UV-protective sunglasses

Temperature

Early
16°C / 18°C
Morning
18°C / 25°C
Afternoon
14°C / 30°C
Evening
17°C / 22°C

Air quality

Moderate

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

  • CO2 458
  • CO 176
  • NH3 10
  • NO2 5
  • O3 51
  • PM10 18
  • PM25 11
  • SO2 0
  • CH4 1,409

Sunrise / Sunset

04:11
18:53