Siedlce weather in April

In April, Siedlce sees average daytime highs of 13°C and overnight lows near 4°C, with 46 mm of precipitation across 9.7 wet days and about 13.6 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 16°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 30 min by month's end. Set against the rest of the year, April is Siedlce's 5th-clearest and 7th-windiest month. For the whole year in context, see Siedlce's year-round climate.

Daytime high
13°
6th warmest
Overnight low
6th coldest
Precipitation
46 mm
9.7 wet days
Daylight
13 h 36 min
4:42 AM – 6:20 PM
Cloud cover
64%
5th clearest
Wind
12 km/h
7th windiest
Solar energy
4.23 kWh/m²
Travel score
3.7
out of 10

Siedlce is city in eastern Poland.

Air quality
Elevated
PM2.5 19.6 µg/m³ · 2019
Density
2,412/km²
people per km²
Founded
1448

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 16°C by the end.

A typical April day in Siedlce reaches about 13°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 6°C and 20°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1101
2101
3102
4102
5112
6112
7112
8112
9112
10123
11123
12123
13123
14123
15133
16133
17134
18144
19144
20144
21144
22155
23155
24155
25165
26165
27166
28166
29176
30176

How April really feels in Siedlce

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.

Siedlce weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°419.96.580.0
Feb / -4°379.66.59.50.0
Mar / -1°4210.6411.50.6
Apr13° / 469.7113.63.7
May19° / 7012.30.115.45.7
Jun22° / 12°7311.9016.46.1
Jul24° / 14°83130166.5
Aug23° / 13°6410.4014.56.8
Sep18° / 579.4012.45.7
Oct12° / 469.40.310.33.1
Nov / 399.52.88.50.5
Dec / -3°419.95.67.60.0

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 14% of April, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33367
43268
53268
63268
73169
83169
93268
103268
113367
123367
133466
143565
153664
163862
173961
184159
194258
204456
214555
224753
234753
244852
254951
264951
275050
284951
294951
304852

Chance of precipitation in April

Any precipitationSnow

Siedlce gets around 46 mm of rain and snow over 9.7 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 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1338
2338
3337
4347
5347
6347
7356
8356
9356
10355
11355
12355
13354
14344
15344
16333
17333
18322
19322
20312
21312
22301
23301
24301
25301
26301
27301
28301
29311
30321

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
271000
281000
291000
30991

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over April. Sunrise moves from 5:17 AM to 4:12 AM, and sunset from 5:54 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:175:54
212.75:155:55
312.75:135:57
412.85:105:59
512.95:086:01
612.95:056:02
713.05:036:04
813.15:016:06
913.24:586:08
1013.24:566:09
1113.34:546:11
1213.44:516:13
1313.44:496:15
1413.54:476:16
1513.64:456:18
1613.64:426:20
1713.74:406:22
1813.84:386:23
1913.84:366:25
2013.94:336:27
2114.04:316:29
2214.04:296:30
2314.14:276:32
2414.24:256:34
2514.24:236:36
2614.34:206:37
2714.34:186:39
2814.44:166:41
2914.54:146:42
3014.54:126:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.23 kWh/m².

For context, solar energy here swings from a low near 0.52 kWh/m² to a high of 5.51 kWh/m² in June across the year — April's 4.23 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.9Moderate
113.9Moderate
124.0Bright
134.1Bright
144.1Bright
154.2Bright
164.3Bright
174.3Bright
184.4Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Siedlce?

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

3.7
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 Siedlce.

What to pack for Siedlce in April

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

In April, Siedlce sees daytime highs around 13°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 Siedlce 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 Siedlce peaks around June 22 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Siedlce 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 Siedlce is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Siedlce's WHO annual average of 19.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2424 µg/m³Dec 1613 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun24Moderate
Jul24Moderate
Aug21Moderate
Sep19Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Siedlce?

Siedlce sits at 52.2°N, 22.3°E, 155 m above sea level, in Poland. The nearest listed city is Sokołów Podlaski, 27 km away.

Międzyrzec PodlaskiRadzyń PodlaskiSiemiatyczeMińsk MazowieckiGarwolinBiała Podlaska

Topography around Siedlce

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

Within 3 km, the terrain around Siedlce has only modest variations in elevation — a maximum elevation change of 45 m around an average of 154 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, only modest variations in elevation — a maximum elevation change of 155 m.

The land around Siedlce is covered by artificial surfaces (36%), grassland (28%) and trees (24%) within 3 km, cropland (38%), trees (29%) and grassland (28%) within 16 km, and trees (38%), cropland (38%) and grassland (22%) within 80 km.

3 km
45 m
16 km
70 m
80 km
155 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Sokołów Podlaski 27 km · Łuków 27 km · Międzyrzec Podlaski 39 km · Radzyń Podlaski 48 km · Siemiatycze 48 km · Mińsk Mazowiecki 49 km · Garwolin 55 km · Biała Podlaska 58 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 Siedlce (52.1677°, 22.2901°, elevation 155 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).