Chełm weather in July

In July, Chełm sees average daytime highs of 24°C and overnight lows near 14°C, with 86 mm of rain across 13.1 wet days and about 15.9 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 25°C by the end. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 18 min at the start of July to 15 h 18 min by month's end. Set against the rest of the year, July is Chełm's 2nd-clearest and 11th-windiest month. For the whole year in context, see Chełm's year-round climate.

Daytime high
24°
1st warmest
Overnight low
14°
12th coldest
Rainfall
86 mm
13.1 wet days
Daylight
15 h 54 min
3:34 AM – 7:29 PM
Cloud cover
61%
2nd clearest
Wind
11 km/h
11th windiest
Solar energy
5.25 kWh/m²
Travel score
6.4
out of 10

Chełm is city with powiat rights in the Lublin Voivodeship in south-eastern Poland.

Air quality
Elevated
PM2.5 18.2 µg/m³ · 2019
Density
1,707/km²
people per km²
Founded
1237

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 25°C by the end.

A typical July day in Chełm 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 19°C and 30°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12313
22413
32413
42413
52413
62413
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172514
182514
192514
202514
212514
222514
232515
242515
252515
262515
272515
282515
292515
302515
312515

How July really feels in Chełm

Once humidity and wind are folded in, July 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

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

Chełm weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°369.66.38.20.0
Feb / -4°359.66.69.60.0
Mar / -1°4310.73.911.50.7
Apr14° / 479.71.113.53.9
May19° / 7212.7015.35.7
Jun22° / 12°7812.3016.26.2
Jul24° / 14°8613.1015.96.4
Aug24° / 13°669.9014.46.9
Sep19° / 639.5012.45.9
Oct13° / 479.50.410.43.4
Nov / 389.32.78.70.6
Dec / -3°389.45.87.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64456
74456
84456
94555
104555
114555
124555
134555
144654
154654
164654
174654
184753
194753
204753
214852
224852
235050
245050
255050
265149
275149
285248
295248
305347
315347

Chance of precipitation in July

Any precipitation

Chełm gets around 86 mm of rain over 13.1 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
142
242
342
442
542
642
743
843
944
1044
1144
1245
1345
1445
1545
1645
1744
1844
1944
2043
2143
2242
2342
2441
2540
2640
2739
2838
2938
3038
3137

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15427163
25327173
35228173
45128183
55029183
65029183
74930183
84830193
94730194
104630194
114630204
124530205
134430215
144330215
154231226
164131226
174031236
183931247
193831247
203731257
213532267
223532277
233432277
243332287
253232287
263233297
273133297
283133296
293133306
303134306
313134296

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 18 min at the start of July to 15 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over July. Sunrise moves from 3:21 AM to 3:54 AM, and sunset from 7:38 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.33:217:38
216.33:227:38
316.33:227:37
416.23:237:37
516.23:247:37
616.23:247:36
716.23:257:36
816.23:267:35
916.13:277:35
1016.13:287:34
1116.13:297:33
1216.03:307:33
1316.03:317:32
1416.03:327:31
1515.93:337:30
1615.93:347:29
1715.93:357:28
1815.83:377:27
1915.83:387:26
2015.83:397:25
2115.73:407:24
2215.73:427:23
2315.63:437:21
2415.63:447:20
2515.63:467:19
2615.53:477:18
2715.53:487:16
2815.43:507:15
2915.43:517:13
3015.33:537:12
3115.33:547:10

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.25 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.58 kWh/m² in June across the year — July's 5.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Chełm?

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

6.4
Sightseeing
2nd-best month of the year
5.6
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Chełm for sightseeing.

What to pack for Chełm in July

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

In July, Chełm sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Chełm in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chełm peaks around July 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 18UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Chełm in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chełm is worst in July — around 24 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Chełm's WHO annual average of 18.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1224 µg/m³Dec 1711 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar22Moderate
Apr21Moderate
May21Moderate
Jun23Moderate
Jul24Moderate
Aug21Moderate
Sep18Moderate
Oct14Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Chełm?

Chełm sits at 51.1°N, 23.5°E, 177 m above sea level, in Poland. The nearest listed city is Krasnystaw, 27 km away.

ŁęcznaHrubieszówZamośćŚwidnikLublinNovovolynskVolodymyr-Volynskyi

Topography around Chełm

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

Within 3 km, the terrain around Chełm has only modest variations in elevation — a maximum elevation change of 66 m around an average of 192 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 126 m; within 80 km, significant variations in elevation — a maximum elevation change of 254 m.

The land around Chełm is covered by artificial surfaces (30%), trees (28%) and grassland (27%) within 3 km, cropland (49%) and trees (28%) within 16 km, and cropland (47%) and trees (35%) within 80 km.

3 km
66 m
16 km
126 m
80 km
254 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Krasnystaw 27 km · Łęczna 45 km · Hrubieszów 48 km · Zamość 49 km · Świdnik 55 km · Lublin 64 km · Novovolynsk 67 km · Volodymyr-Volynskyi 68 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

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 Chełm (51.1431°, 23.4716°, elevation 177 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).