Colmar weather in August

In August, Colmar sees average daytime highs of 24°C and overnight lows near 14°C, with 98 mm of rain across 13.6 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Colmar's 1st-clearest and 12th-windiest month. For the whole year in context, see Colmar's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
98 mm
13.6 wet days
Daylight
14 h 06 min
5:31 AM – 7:38 PM
Cloud cover
57%
1st clearest
Wind
7 km/h
12th windiest
Solar energy
4.88 kWh/m²
Travel score
6.4
out of 10
Air quality
Good
PM10 16.2 µg/m³ · 2019

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 22°C by the end.

A typical August day in Colmar reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82514
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212413
222313
232313
242313
252313
262313
272313
282213
292212
302212
312212

How August really feels in Colmar

Once humidity and wind are folded in, August 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

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

Colmar weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°7612.14.28.60.0
Feb / -1°6610.74.49.90.3
Mar10° / 7312.42.411.62.2
Apr14° / 7112.20.613.44.0
May18° / 10114.6014.95.2
Jun22° / 12°9613.8015.86.0
Jul24° / 14°10314.5015.46.3
Aug24° / 14°9813.6014.16.4
Sep19° / 10°8011.5012.45.8
Oct14° / 8612.20.210.63.7
Nov / 7811.81.791.2
Dec / -0°921348.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45050
55050
64951
74951
84852
94753
104852
114852
124852
134753
144753
154852
164852
175050
185050
195050
205050
215149
225149
235050
245050
255149
265050
274951
284951
294852
304852
314753

Chance of precipitation in August

Any precipitation

Colmar gets around 98 mm of rain over 13.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
245
345
445
545
645
745
845
945
1045
1145
1245
1345
1445
1545
1645
1744
1844
1944
2044
2143
2243
2343
2442
2542
2641
2741
2841
2940
3040
3139

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1374023
2374023
3374023
4384022
5384022
6394021
7404021
8404020
9414019
10414019
11424018
12424018
13434017
14434017
15444016
16444016
17444015
18444015
19454015
20454015
21463915
22473915
23483814
24493714
25513613
26533413
27553312
28563212
29583111
30603010
3162299

Wind in August

Winds average 7 km/h in August, the calmest month.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 54 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 5:11 AM to 5:52 AM, and sunset from 8:03 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.95:118:03
214.85:128:01
314.85:138:00
414.75:147:58
514.75:167:57
614.65:177:55
714.65:197:54
814.55:207:52
914.55:217:51
1014.45:237:49
1114.45:247:47
1214.35:257:46
1314.35:277:44
1414.25:287:42
1514.25:297:40
1614.15:317:38
1714.15:327:37
1814.05:347:35
1914.05:357:33
2013.95:367:31
2113.95:387:29
2213.85:397:27
2313.75:417:25
2413.75:427:23
2513.65:437:21
2613.65:457:19
2713.55:467:17
2813.55:487:15
2913.45:497:13
3013.35:517:11
3113.35:527:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.88 kWh/m².

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 5.7 kWh/m² in June across the year — August's 4.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in August

Is August a good time to visit Colmar?

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

6.4
Sightseeing
1st-best month of the year
5.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Colmar for sightseeing.

What to pack for Colmar in August

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

In August, Colmar sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Colmar in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Colmar peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Colmar in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Colmar is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1315 µg/m³Nov 199 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Colmar?

Colmar sits at 48.1°N, 7.4°E, 193 m above sea level, in France. The nearest listed city is Sélestat, 21 km away.

Topography around Colmar

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

Within 3 km, the terrain around Colmar has only modest variations in elevation — a maximum elevation change of 34 m around an average of 196 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 863 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,363 m.

The land around Colmar is covered by artificial surfaces (48%) within 3 km, trees (41%) and cropland (35%) within 16 km, and trees (59%) within 80 km.

3 km
34 m
16 km
863 m
80 km
1,363 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Sélestat 21 km · Wittenheim 30 km · Unterkrozingen 31 km · Illzach 34 km · Müllheim 37 km · Mulhouse 37 km · Emmendingen 37 km · Saint-Dié-des-Vosges 38 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 Colmar (48.0808°, 7.3558°, elevation 193 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).