Bolesławiec weather in April

In April, Bolesławiec sees average daytime highs of 14°C and overnight lows near 4°C, with 41 mm of precipitation across 9.5 wet days and about 13.5 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 17°C by the end. The sky is clear or mostly clear about 25% 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 Bolesławiec's 3rd-clearest and 7th-windiest month. For the whole year in context, see Bolesławiec's year-round climate.

Daytime high
14°
6th warmest
Overnight low
6th coldest
Precipitation
41 mm
9.5 wet days
Daylight
13 h 36 min
5:11 AM – 6:45 PM
Cloud cover
62%
3rd clearest
Wind
12 km/h
7th windiest
Solar energy
4.34 kWh/m²
Travel score
3.9
out of 10

Bolesławiec is historic town situated on the Bóbr River in the Lower Silesian Voivodeship, in southwestern Poland.

Air quality
Moderate
PM10 33.3 µg/m³ · 2017
Density
1,784/km²
people per km²
Founded
1201

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 11°C in the first days to 17°C by the end.

A typical April day in Bolesławiec reaches about 14°C in the afternoon and slips back to 4°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 21°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)
1112
2112
3112
4113
5123
6123
7123
8123
9123
10123
11123
12133
13134
14134
15134
16144
17144
18144
19145
20155
21155
22155
23165
24166
25166
26166
27166
28176
29177
30177

How April really feels in Bolesławiec

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 9 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
9
wind chill below the day's low

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

Bolesławiec weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°5712.46.48.20.0
Feb / -2°4610.75.99.60.0
Mar / 5912.74.511.51.2
Apr14° / 419.5113.53.9
May18° / 6211.90.115.35.6
Jun22° / 12°6812.6016.36.0
Jul24° / 14°8713.1015.96.4
Aug23° / 13°6910.6014.46.7
Sep19° / 10°6010.3012.45.8
Oct13° / 5210.40.310.43.5
Nov / 4910.42.48.70.9
Dec / -1°51125.27.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33763
43763
53763
63862
73763
83763
93763
103763
113763
123763
133763
143961
153961
164159
174258
184357
194456
204456
214456
224456
234654
244654
254555
264555
274357
284357
294159
304159

Chance of precipitation in April

Any precipitationSnow

Bolesławiec gets around 41 mm of rain and snow over 9.5 wet days in April, the driest month. 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 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1348
2348
3347
4337
5337
6336
7346
8346
9345
10345
11345
12345
13344
14334
15334
16334
17323
18323
19323
20312
21312
22312
23311
24311
25311
26321
27321
28330
29340
30350

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991

Wind in April

Winds average 12 km/h in April.

Across April, 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.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:45 AM to 4:42 AM, and sunset from 6:20 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:456:20
212.75:426:22
312.75:406:23
412.85:386:25
512.95:366:27
612.95:336:28
713.05:316:30
813.15:296:32
913.15:266:33
1013.25:246:35
1113.25:226:37
1213.35:206:38
1313.45:176:40
1413.45:156:42
1513.55:136:43
1613.65:116:45
1713.65:096:47
1813.75:066:49
1913.85:046:50
2013.85:026:52
2113.95:006:54
2214.04:586:55
2314.04:566:57
2414.14:546:59
2514.14:527:00
2614.24:507:02
2714.34:487:04
2814.34:467:05
2914.44:447:07
3014.44:427:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.34 kWh/m².

For context, solar energy here swings from a low near 0.64 kWh/m² to a high of 5.27 kWh/m² in June across the year — April's 4.34 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
93.9Moderate
104.0Moderate
114.0Bright
124.1Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in April

Is April a good time to visit Bolesławiec?

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

3.9
Sightseeing
6th-best month of the year
0.2
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Bolesławiec.

What to pack for Bolesławiec in April

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

In April, Bolesławiec sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Bolesławiec 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 Bolesławiec peaks around June 19 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Bolesławiec 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 Bolesławiec is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1716 µg/m³Dec 1210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Bolesławiec?

Bolesławiec sits at 51.3°N, 15.6°E, 197 m above sea level, in Poland. The nearest listed city is Lubań, 25 km away.

ZgorzelecLegnicaJelenia GóraGörlitzŻagańPolkowice

Topography around Bolesławiec

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

Within 3 km, the terrain around Bolesławiec has only modest variations in elevation — a maximum elevation change of 96 m around an average of 200 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,572 m.

The land around Bolesławiec is covered by trees (38%), cropland (22%) and artificial surfaces (21%) within 3 km, trees (52%) and cropland (35%) within 16 km, and trees (50%) and cropland (30%) within 80 km.

3 km
96 m
16 km
203 m
80 km
1,572 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Lubań 25 km · Złotoryja 29 km · Zgorzelec 41 km · Legnica 42 km · Jelenia Góra 42 km · Görlitz 42 km · Żagań 43 km · Polkowice 44 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 Bolesławiec (51.2642°, 15.5697°, elevation 197 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).