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: Overcast

Pressure: 960 hPa

Feel like: 21 °C

Temperature: 20°C

Cloud: 100%

Humidity: 61%

Wind: SW - 3 km/h

Visibility: 40.96 km

Weather forecast

Wed
15 Jul
17°C / 30°C
Slight Rain Showers
Thu
16 Jul
18°C / 23°C
Slight Rain Showers
Fri
17 Jul
16°C / 23°C
Overcast
Sat
18 Jul
14°C / 25°C
Fog
Sun
19 Jul
12°C / 25°C
Overcast
Hourly forecast today:
02:00 AM
13° / 20°
13° / 20°
Overcast
61% 7 km/h
03:00 AM
14° / 20°
14° / 20°
Overcast
67% 7 km/h
04:00 AM
15° / 20°
15° / 20°
Overcast
71% 9 km/h
05:00 AM
15° / 21°
15° / 21°
Overcast
70% 7 km/h
06:00 AM
17° / 22°
17° / 22°
Partly Cloudy
73% 11 km/h
07:00 AM
16° / 24°
16° / 24°
Partly Cloudy
61% 10 km/h
08:00 AM
17° / 25°
17° / 25°
Partly Cloudy
61% 18 km/h
09:00 AM
15° / 27°
15° / 27°
Partly Cloudy
48% 16 km/h
10:00 AM
14° / 29°
14° / 29°
Partly Cloudy
41% 12 km/h
11:00 AM
15° / 30°
15° / 30°
Overcast
40% 23 km/h
12:00 PM
15° / 31°
15° / 31°
Overcast
37% 13 km/h

30 Day Averages and Extremes

  • Average high 27.33°C
  • Average low 15.9°C
  • Hottest day 33°C (13 July 2026)
  • Coldest day 0°C (28 July 2026)
  • Average humidity 55.73%
  • Days with precipitation 16 days
  • Highest precipitation 70 mm (16 July 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 20°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 31ºC (87.8ºF), consider wearing:
- Lightweight, loose-fitting shorts
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops
- Sleeveless tops or vests

Temperature

Early
14°C / 20°C
Morning
15°C / 27°C
Afternoon
13°C / 33°C
Evening
16°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 462
  • CO 150
  • NH3 15
  • NO2 8
  • O3 45
  • PM10 15
  • PM25 9
  • SO2 0
  • CH4 1,486

Sunrise / Sunset

03:45
19:20