Chomutov weather in April

In April, Chomutov sees average daytime highs of 13°C and overnight lows near 3°C, with 39 mm of precipitation across 9.9 wet days and about 13.5 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 24 min by month's end. Set against the rest of the year, April is Chomutov's 3rd-clearest and 5th-windiest month. For the whole year in context, see Chomutov's year-round climate.

Daytime high
13°
6th warmest
Overnight low
6th coldest
Precipitation
39 mm
9.9 wet days
Daylight
13 h 30 min
5:21 AM – 6:52 PM
Cloud cover
64%
3rd clearest
Wind
10 km/h
5th windiest
Solar energy
4.41 kWh/m²
Travel score
3.4
out of 10

Chomutov is town in Czechia.

Air quality
Good
PM10 19.3 µg/m³ · 2019
Density
1,599/km²
people per km²
Founded
1252

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 10°C in the first days to 15°C by the end.

A typical April day in Chomutov reaches about 13°C in the afternoon and slips back to 3°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 20°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1101
2101
3102
4102
5102
6112
7112
8112
9112
10112
11112
12123
13123
14123
15123
16123
17133
18133
19134
20144
21144
22144
23144
24155
25155
26155
27155
28155
29166
30166

How April really feels in Chomutov

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 14 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
14
wind chill below the day's low

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

Chomutov weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°4310.67.18.30.0
Feb / -3°338.65.49.70.0
Mar / -0°45114.311.50.9
Apr13° / 399.91.313.53.4
May17° / 6012.5015.25.2
Jun21° / 11°7113016.15.8
Jul23° / 13°8113.5015.86.2
Aug23° / 13°7112.2014.36.5
Sep18° / 539.6012.45.6
Oct12° / 4710.30.510.42.9
Nov / 439.12.78.80.5
Dec / -2°4410.167.90.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23565
33664
43664
53565
63565
73565
83466
93565
103565
113664
123664
133763
143961
154060
164060
174159
184258
194159
204258
214159
224159
234159
244159
253961
263961
273862
283763
293664
303565

Chance of precipitation in April

Any precipitationSnow

Chomutov gets around 39 mm of rain and snow over 9.9 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 33% and peaks near 37% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1319
2308
3308
4307
5307
6317
7317
8327
9327
10336
11336
12336
13336
14336
15335
16335
17345
18344
19344
20343
21343
22342
23342
24342
25351
26351
27351
28361
29361
30371

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 (%)
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
29100
30100

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
259calm
269calm
279calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over April. Sunrise moves from 5:54 AM to 4:52 AM, and sunset from 6:28 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:546:28
212.65:526:30
312.75:496:31
412.85:476:33
512.85:456:35
612.95:436:36
713.05:406:38
813.05:386:39
913.15:366:41
1013.15:346:43
1113.25:326:44
1213.35:296:46
1313.35:276:48
1413.45:256:49
1513.55:236:51
1613.55:216:52
1713.65:196:54
1813.75:166:56
1913.75:146:57
2013.85:126:59
2113.85:107:01
2213.95:087:02
2314.05:067:04
2414.05:047:05
2514.15:027:07
2614.15:007:09
2714.24:587:10
2814.34:567:12
2914.34:547:13
3014.44:527:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.41 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 5.37 kWh/m² in June across the year — April's 4.41 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Bright
94.0Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.3Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Chomutov?

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

3.4
Sightseeing
6th-best month of the year
0.1
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Chomutov.

What to pack for Chomutov in April

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

In April, Chomutov sees daytime highs around 13°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Chomutov in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chomutov peaks around June 21 at about 7 (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 highHighModerateLowJun 21UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Chomutov 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 Chomutov is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1321 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun20Moderate
Jul18Moderate
Aug19Moderate
Sep18Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Chomutov?

Chomutov sits at 50.5°N, 13.4°E, 340 m above sea level, in Czechia. The nearest listed city is Jirkov, 5.0 km away.

MarienbergLounyAnnaberg-Buchholz

Topography around Chomutov

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

Within 3 km, the terrain around Chomutov has only modest variations in elevation — a maximum elevation change of 243 m around an average of 352 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 864 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Chomutov is covered by trees (39%) and artificial surfaces (26%) within 3 km, trees (41%), cropland (29%) and grassland (22%) within 16 km, and trees (46%) and cropland (32%) within 80 km.

3 km
243 m
16 km
864 m
80 km
1,205 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Jirkov 5.0 km · Kadaň 14 km · Most 16 km · Žatec 17 km · Litvínov 21 km · Marienberg 28 km · Louny 29 km · Annaberg-Buchholz 32 km

Czechia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$35,917
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
5.9
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 582
Religion
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 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 Chomutov (50.4605°, 13.4178°, elevation 340 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).