Aix-les-Bains weather in April

In April, Aix-les-Bains sees average daytime highs of 15°C and overnight lows near 5°C, with 116 mm of precipitation across 13.3 wet days and about 13.3 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 17°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Aix-les-Bains's 6th-clearest and 1st-windiest month. For the whole year in context, see Aix-les-Bains's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Precipitation
116 mm
13.3 wet days
Daylight
13 h 18 min
5:58 AM – 7:15 PM
Cloud cover
62%
6th clearest
Wind
5 km/h
1st windiest
Solar energy
4.81 kWh/m²
Travel score
4.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 17°C by the end.

A typical April day in Aix-les-Bains reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 21°C. Set against its neighbours, April runs about 3°C warmer than March and about 4°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1133
2133
3133
4143
5143
6144
7144
8144
9144
10144
11144
12144
13154
14154
15154
16155
17155
18155
19155
20165
21165
22166
23166
24166
25166
26166
27166
28177
29177
30177

How April really feels in Aix-les-Bains

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 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
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aix-les-Bains weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°12512.86.78.90.1
Feb / -1°10611610.10.8
Mar12° / 11912.73.911.62.8
Apr15° / 11613.32.113.34.1
May19° / 145160.314.75.2
Jun22° / 12°12914.5015.46.0
Jul25° / 14°12713015.16.7
Aug24° / 14°11712.2013.96.8
Sep20° / 11°10911.1012.36.1
Oct15° / 11512.20.310.74.4
Nov / 13413.13.59.31.7
Dec / -1°14413.56.38.60.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64060
74159
84159
94258
104258
114357
124357
134357
144357
154357
164456
174456
184357
194357
204357
214159
224159
233961
243961
253862
263763
273763
283664
293565
303466

Chance of precipitation in April

Any precipitationSnow

Aix-les-Bains gets around 116 mm of rain and snow over 13.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 53% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14410
2449
3449
4449
5449
6449
7439
8439
9439
10439
11429
12429
13419
14418
15418
16418
17417
18417
19427
20426
21436
22445
23455
24474
25484
26493
27503
28512
29522
30532

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991

Wind in April

Winds average 5 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:27 AM to 5:34 AM, and sunset from 6:55 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:276:55
212.56:256:57
312.66:236:58
412.66:216:59
512.76:197:01
612.86:177:02
712.86:157:03
812.96:137:05
912.96:117:06
1013.06:097:07
1113.06:077:09
1213.16:057:10
1313.16:037:11
1413.26:027:13
1513.26:007:14
1613.35:587:15
1713.35:567:17
1813.45:547:18
1913.45:527:19
2013.55:517:21
2113.65:497:22
2213.65:477:23
2313.75:457:25
2413.75:447:26
2513.85:427:27
2613.85:407:28
2713.95:397:30
2813.95:377:31
2914.05:357:32
3014.05:347:34

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.81 kWh/m².

For context, solar energy here swings from a low near 1.18 kWh/m² to a high of 6.03 kWh/m² in July across the year — April's 4.81 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Aix-les-Bains?

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

4.1
Sightseeing
7th-best month of the year
0.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Aix-les-Bains for sightseeing.

What to pack for Aix-les-Bains in April

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

In April, Aix-les-Bains sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Aix-les-Bains in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aix-les-Bains peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Aix-les-Bains in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Aix-les-Bains is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 916 µg/m³Sep 2011 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul12Good
Aug12Good
Sep11Good
Oct11Good
Nov12Good
Dec13Moderate
Location & terrain

Where is Aix-les-Bains?

Aix-les-Bains sits at 45.7°N, 5.9°E, 246 m above sea level, in France. The nearest listed city is Chambéry, 14 km away.

Topography around Aix-les-Bains

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aix-les-Bains.

Within 3 km, the terrain around Aix-les-Bains has significant variations in elevation — a maximum elevation change of 397 m around an average of 310 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,639 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,621 m.

The land around Aix-les-Bains is covered by trees (34%), water (23%) and artificial surfaces (22%) within 3 km, trees (59%) and grassland (26%) within 16 km, and trees (52%) and grassland (28%) within 80 km.

3 km
397 m
16 km
1,639 m
80 km
4,621 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
April weather nearby: Chambéry 14 km · Seynod 26 km · Cran-Gevrier 28 km · Annecy 29 km · Annecy-le-Vieux 31 km · Albertville 37 km · Voiron 44 km · Saint-Égrève 54 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

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 Aix-les-Bains (45.6917°, 5.9086°, elevation 246 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).