Pernik weather in July

In July, Pernik sees average daytime highs of 27°C and overnight lows near 15°C, with 36 mm of rain across 7.3 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 61% of the time in July, and the air most often feels dry.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Pernik's 2nd-clearest and 8th-windiest month. For the whole year in context, see Pernik's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
36 mm
7.3 wet days
Daylight
14 h 48 min
5:08 AM – 7:59 PM
Cloud cover
37%
2nd clearest
Wind
6 km/h
8th windiest
Solar energy
6.33 kWh/m²
Travel score
7.3
out of 10

Pernik is city in Pernik municipality, Pernik oblast, Bulgaria.

Air quality
High
PM2.5 30.8 µg/m³ · 2018
Density
1,141/km²
people per km²

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Pernik reaches about 27°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12614
22614
32614
42714
52714
62714
72714
82714
92714
102714
112714
122714
132714
142714
152714
162714
172715
182715
192715
202715
212715
222715
232715
242815
252815
262815
272815
282815
292815
302815
312815

How July really feels in Pernik

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.

Pernik weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°407.45.19.20.0
Feb / -3°407.64.810.30.7
Mar11° / 549.74.211.62.7
Apr16° / 54101.213.14.8
May21° / 5210.50.114.46.4
Jun25° / 13°469.5015.17.1
Jul27° / 15°367.3014.87.3
Aug28° / 15°265.4013.77.5
Sep23° / 11°325.8012.37.7
Oct17° / 476.40.610.86.0
Nov11° / 3972.19.62.7
Dec / -3°498.64.78.90.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37822
47822
57822
67921
78020
88020
98020
108020
118020
128020
138119
148119
158119
168119
178119
188119
198119
208119
218218
228218
238218
248218
258218
268218
278218
288218
298218
308218
318218

Chance of precipitation in July

Any precipitation

Pernik gets around 36 mm of rain over 7.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
326
426
526
626
725
825
925
1024
1124
1223
1323
1422
1522
1621
1721
1821
1921
2021
2121
2222
2322
2422
2522
2623
2723
2823
2924
3024
3124

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
152417
251427
350437
450437
550447
650447
749447
849447
950437
1050437
1150428
1251418
1351418
1452408
1552408
1652408
1751418
1851418
1950428
2049438
2148449
2247459
2345469
2444479
2542489
2641509
27395110
28385210
29375310
30365410
31355411

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
97calm
107calm
117calm
127calm
137calm
147calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:58 AM to 5:22 AM, and sunset from 8:04 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:588:04
215.14:598:04
315.14:598:04
415.15:008:04
515.05:018:03
615.05:018:03
715.05:028:03
815.05:028:02
915.05:038:02
1015.05:048:02
1114.95:048:01
1214.95:058:01
1314.95:068:00
1414.95:078:00
1514.95:087:59
1614.85:087:59
1714.85:097:58
1814.85:107:57
1914.85:117:57
2014.75:127:56
2114.75:137:55
2214.75:147:54
2314.65:157:53
2414.65:157:53
2514.65:167:52
2614.65:177:51
2714.55:187:50
2814.55:197:49
2914.55:207:48
3014.45:217:47
3114.45:227:46

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.33 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 6.33 kWh/m² in July across the year — July's 6.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in July

Is July a good time to visit Pernik?

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

7.3
Sightseeing
3rd-best month of the year
7.4
Beach & pool
2nd-best month of the year

July is one of the better times to visit Pernik for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pernik in July

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

In July, Pernik sees daytime highs around 27°C and nights near 15°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Pernik in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pernik peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJun 23UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Pernik 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 Pernik is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 21 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Pernik's WHO annual average of 30.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1838 µg/m³Dec 1821 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb28Moderate
Mar34Moderate
Apr37Poor
May38Poor
Jun37Poor
Jul33Moderate
Aug35Moderate
Sep28Moderate
Oct27Moderate
Nov26Moderate
Dec21Moderate
Location & terrain

Where is Pernik?

Pernik sits at 42.6°N, 23.0°E, 751 m above sea level, in Bulgaria. The nearest listed city is Sofia, 26 km away.

DupnitsaKyustendilSamokovBlagoevgradBotevgradBerkovitsaPirot

Topography around Pernik

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

Within 3 km, the terrain around Pernik has significant variations in elevation — a maximum elevation change of 478 m around an average of 794 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,261 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,683 m.

The land around Pernik is covered by trees (47%), grassland (25%) and artificial surfaces (21%) within 3 km, trees (38%), grassland (33%) and cropland (24%) within 16 km, and trees (66%) and grassland (22%) within 80 km.

3 km
478 m
16 km
1,261 m
80 km
2,683 m
treesgrasslandcroplandartificial surfacesbare terrain
July weather nearby: Sofia 26 km · Dupnitsa 38 km · Kyustendil 45 km · Samokov 52 km · Blagoevgrad 65 km · Botevgrad 71 km · Berkovitsa 72 km · Pirot 72 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Pernik (42.5967°, 23.0332°, elevation 751 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).