Otwock weather in April

In April, Otwock sees average daytime highs of 14°C and overnight lows near 4°C, with 46 mm of precipitation across 9.8 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 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 30 min by month's end. Set against the rest of the year, April is Otwock's 5th-clearest and 7th-windiest month. For the whole year in context, see Otwock's year-round climate.

Daytime high
14°
6th warmest
Overnight low
6th coldest
Precipitation
46 mm
9.8 wet days
Daylight
13 h 36 min
4:46 AM – 6:24 PM
Cloud cover
63%
5th clearest
Wind
12 km/h
7th windiest
Solar energy
4.24 kWh/m²
Travel score
3.9
out of 10

Otwock is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 23 µg/m³ · 2019
Density
917/km²
people per km²
Founded
1877

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 Otwock 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 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)
1102
2112
3112
4112
5112
6113
7123
8123
9123
10123
11123
12133
13134
14134
15134
16144
17144
18144
19155
20155
21155
22155
23165
24166
25166
26176
27176
28176
29177
30177

How April really feels in Otwock

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 10 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
10
wind chill below the day's low

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

Otwock 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°40106.280.0
Feb / -3°379.65.79.60.0
Mar / -0°4210.53.211.50.9
Apr14° / 469.80.813.63.9
May19° / 6812.10.115.45.8
Jun22° / 12°6811.7016.46.3
Jul24° / 14°8212.70166.5
Aug24° / 14°669.9014.46.9
Sep19° / 589.6012.45.9
Oct13° / 459.50.210.43.4
Nov / 409.52.68.50.7
Dec / -2°4210.14.77.60.0

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 16% of April, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53466
63466
73367
83367
93367
103367
113367
123466
133466
143763
153763
163961
174060
184258
194357
204456
214654
224753
234852
244951
254951
265050
275050
285050
294951
304951

Chance of precipitation in April

Any precipitationSnow

Otwock gets around 46 mm of rain and snow over 9.8 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 36% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1336
2336
3346
4346
5345
6345
7355
8355
9355
10364
11364
12364
13364
14363
15353
16353
17342
18332
19332
20322
21321
22311
23311
24311
25311
26301
27300
28310
29310
30310

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
26991
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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
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 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 5:21 AM to 4:17 AM, and sunset from 5:58 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:215:58
212.75:195:59
312.75:176:01
412.85:146:03
512.95:126:05
612.95:106:06
713.05:076:08
813.15:056:10
913.25:036:12
1013.25:006:13
1113.34:586:15
1213.44:566:17
1313.44:536:19
1413.54:516:20
1513.64:496:22
1613.64:466:24
1713.74:446:26
1813.84:426:27
1913.84:406:29
2013.94:386:31
2114.04:356:33
2214.04:336:34
2314.14:316:36
2414.14:296:38
2514.24:276:39
2614.34:256:41
2714.34:236:43
2814.44:216:45
2914.54:196:46
3014.54:176:48

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.24 kWh/m².

For context, solar energy here swings from a low near 0.54 kWh/m² to a high of 5.49 kWh/m² in June across the year — April's 4.24 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.9Moderate
114.0Moderate
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 Otwock?

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
0.3
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Otwock.

What to pack for Otwock in April

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

In April, Otwock 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 Otwock 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 Otwock peaks around June 20 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Otwock 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 Otwock is worst in June — around 28 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Otwock's WHO annual average of 23 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1828 µg/m³Dec 1716 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar27Moderate
Apr27Moderate
May26Moderate
Jun28Moderate
Jul27Moderate
Aug26Moderate
Sep23Moderate
Oct19Moderate
Nov19Moderate
Dec16Moderate
Location & terrain

Where is Otwock?

Otwock sits at 52.1°N, 21.3°E, 94 m above sea level, in Poland. The nearest listed city is Józefów, 4.0 km away.

Topography around Otwock

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

Within 3 km, the terrain around Otwock has only modest variations in elevation — a maximum elevation change of 54 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, only modest variations in elevation — a maximum elevation change of 172 m.

The land around Otwock is covered by trees (78%) within 3 km, trees (59%) and grassland (23%) within 16 km, and trees (43%), cropland (28%) and grassland (25%) within 80 km.

3 km
54 m
16 km
99 m
80 km
172 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Józefów 4.0 km · Konstancin-Jeziorna 10 km · Wawer 12 km · Kabaty 13 km · Ursynów 15 km · Sulejówek 16 km · Piaseczno 16 km · Wesoła 17 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 Otwock (52.1058°, 21.2613°, elevation 94 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).