Aarau weather in February

In February, Aarau sees average daytime highs of 5°C and overnight lows near -1°C, with 80 mm of precipitation across 10.9 wet days and about 9.9 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 4°C in the first days to 6°C by the end. The sky is clear or mostly clear about 22% of the time in February, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of February to 10 h 42 min by month's end. Set against the rest of the year, February is Aarau's 7th-clearest and 2nd-windiest month. For the whole year in context, see Aarau's year-round climate.

Daytime high
10th warmest
Overnight low
-1°
2nd coldest
Precipitation
80 mm
10.9 wet days
Daylight
10 hours
7:44 AM – 5:41 PM
Cloud cover
67%
7th clearest
Wind
8 km/h
2nd windiest
Solar energy
2.09 kWh/m²
Travel score
0.2
out of 10

Aarau is capital of Canton Aargau, Switzerland.

Air quality
Good
PM2.5 8.9 µg/m³ · 2020
Density
1,743/km²
people per km²
Founded
1240

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 4°C in the first days to 6°C by the end.

A typical February day in Aarau reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 11°C. Set against its neighbours, February runs about 2°C warmer than January and about 5°C cooler than March.

-10°-5°10°15°151015202528
Avg high (°C)Avg low (°C)
14-2
24-2
34-2
44-2
54-2
64-2
74-2
84-2
94-2
104-2
115-2
125-2
135-2
145-2
155-2
165-1
175-1
185-1
195-1
206-1
216-1
226-1
236-1
246-1
256-1
266-1
2770
2870

How February really feels in Aarau

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 28 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
28
wind chill below the day's low

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Aarau weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°9713.478.70.0
Feb / -1°8010.96.49.90.2
Mar10° / 9714.24.411.61.9
Apr14° / 10014.52.113.33.5
May18° / 14817.3014.94.7
Jun21° / 12°14217.4015.75.4
Jul23° / 14°15217015.35.9
Aug23° / 13°14516.5014.15.9
Sep18° / 10°10813.2012.45.3
Oct13° / 10313.20.310.63.4
Nov / 10013.13.39.10.9
Dec / -1°11614.36.78.30.0

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 12% of February, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
13367
23466
33466
43466
53565
63565
73565
83664
93565
103565
113565
123565
133565
143664
153466
163466
173466
183565
193565
203565
213466
223466
233466
243367
253367
263367
273367
283268

Chance of precipitation in February

Any precipitationSnow

Aarau gets around 80 mm of rain and snow over 10.9 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 43% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
13925
23924
33924
43924
53924
63924
73924
83924
94024
104024
114024
124024
134024
144024
154024
164024
174024
184023
194023
204023
214022
224022
234122
244122
254221
264221
274321
284320

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100

Wind in February

Winds average 8 km/h in February.

Across February, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 9 h 18 min at the start of February to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over February. Sunrise moves from 8:03 AM to 7:21 AM, and sunset from 5:19 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
19.38:035:19
29.38:025:21
39.48:015:22
49.48:005:24
59.57:585:25
69.57:575:27
79.57:565:29
89.67:545:30
99.67:535:32
109.77:515:33
119.77:505:35
129.87:485:36
139.87:475:38
149.97:455:39
1510.07:445:41
1610.07:425:43
1710.17:415:44
1810.17:395:46
1910.27:375:47
2010.27:365:49
2110.37:345:50
2210.37:325:52
2310.47:315:53
2410.47:295:55
2510.57:275:56
2610.57:255:58
2710.67:235:59
2810.77:216:01

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.09 kWh/m².

For context, solar energy here swings from a low near 1 kWh/m² to a high of 5.61 kWh/m² in June across the year — February's 2.09 kWh/m² falls in the middle.

0123151015202528
Solar energy (kWh/m²)Level
11.6Dim
21.7Dim
31.7Dim
41.7Dim
51.8Dim
61.8Dim
71.8Dim
81.9Dim
91.9Dim
101.9Dim
112.0Dim
122.0Moderate
132.0Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.5Moderate
262.5Moderate
272.6Moderate
282.6Moderate
Planning a trip in February

Is February a good time to visit Aarau?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.2
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

February is a weaker month for outdoor sightseeing in Aarau.

What to pack for Aarau in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Aarau sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Aarau in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aarau peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Aarau?

Aarau sits at 47.4°N, 8.0°E, 389 m above sea level, in Switzerland. The nearest listed city is Olten, 12 km away.

Bad SäckingenBadenWettingenDietikonRheinfeldenWaldshut-TiengenZürich (Kreis 9)

Topography around Aarau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aarau.

Within 3 km, the terrain around Aarau has only modest variations in elevation — a maximum elevation change of 198 m around an average of 416 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 695 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,987 m.

The land around Aarau is covered by trees (48%) and artificial surfaces (26%) within 3 km, trees (50%) and grassland (24%) within 16 km, and trees (47%) and grassland (28%) within 80 km.

3 km
198 m
16 km
695 m
80 km
2,987 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Olten 12 km · Bad Säckingen 19 km · Baden 22 km · Wettingen 23 km · Dietikon 27 km · Rheinfelden 27 km · Waldshut-Tiengen 29 km · Zürich (Kreis 9) 33 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Aarau (47.3925°, 8.0442°, elevation 389 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).