Pernik weather in April

In April, Pernik sees average daytime highs of 16°C and overnight lows near 5°C, with 54 mm of precipitation across 10 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 26% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Pernik's 9th-clearest and 2nd-windiest month. For the whole year in context, see Pernik's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
54 mm
10 wet days
Daylight
13 h 12 min
5:53 AM – 7:03 PM
Cloud cover
60%
9th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.03 kWh/m²
Travel score
4.8
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 18°C by the end.

A typical April day in Pernik reaches about 16°C in the afternoon and slips back to 5°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 22°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1133
2143
3143
4143
5143
6143
7144
8144
9154
10154
11154
12154
13154
14155
15155
16165
17165
18165
19165
20165
21175
22176
23176
24176
25186
26186
27187
28187
29187
30197

How April really feels in Pernik

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.

Pernik weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24258
34258
44357
54357
64456
74357
84357
94258
104258
114357
124357
134159
144258
154357
164456
174456
184555
194555
204654
214654
224852
234852
244951
254951
265050
275149
285248
295248
305248

Chance of precipitation in April

Any precipitationSnow

Pernik gets around 54 mm of rain and snow over 10 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 38% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1318
2317
3327
4327
5326
6336
7336
8346
9356
10356
11365
12375
13375
14385
15385
16385
17384
18384
19374
20363
21363
22353
23342
24332
25321
26321
27311
28311
29301
30300

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 8 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:20 AM to 5:31 AM, and sunset from 6:45 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:206:45
212.56:186:47
312.56:166:48
412.66:146:49
512.66:126:50
612.76:116:51
712.76:096:52
812.86:076:54
912.86:056:55
1012.96:046:56
1112.96:026:57
1213.06:006:58
1313.05:586:59
1413.15:577:00
1513.15:557:02
1613.25:537:03
1713.25:527:04
1813.35:507:05
1913.35:487:06
2013.35:477:07
2113.45:457:09
2213.45:447:10
2313.55:427:11
2413.55:407:12
2513.65:397:13
2613.65:377:14
2713.75:367:16
2813.75:347:17
2913.75:337:18
3013.85:317:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.03 kWh/m².

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 — April's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Pernik?

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

4.8
Sightseeing
7th-best month of the year
0.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Pernik for sightseeing.

What to pack for Pernik in April

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

In April, Pernik sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Pernik in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. 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 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 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
April 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).