Legionowo weather in May

In May, Legionowo sees average daytime highs of 19°C and overnight lows near 9°C, with 67 mm of rain across 11.9 wet days and about 15.4 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of May to 16 h 06 min by month's end. Set against the rest of the year, May is Legionowo's 3rd-clearest and 9th-windiest month. For the whole year in context, see Legionowo's year-round climate.

Daytime high
19°
4th warmest
Overnight low
8th coldest
Rainfall
67 mm
11.9 wet days
Daylight
15 h 30 min
3:48 AM – 7:17 PM
Cloud cover
62%
3rd clearest
Wind
12 km/h
9th windiest
Solar energy
5.19 kWh/m²
Travel score
5.8
out of 10

Legionowo is city and urban gmina of Poland.

Air quality
Elevated
PM2.5 21.1 µg/m³ · 2019
Founded
1877

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical May day in Legionowo reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1177
2187
3187
4187
5187
6188
7188
8188
9188
10188
11188
12198
13198
14198
15199
16199
17199
18199
19199
20199
21199
22199
232010
242010
252010
262010
272010
282010
292010
302110
312111

How May really feels in Legionowo

Once humidity and wind are folded in, May 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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Legionowo weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4010.15.780.0
Feb / -3°369.45.79.50.0
Mar / -0°4110.22.911.50.8
Apr14° / 449.40.713.63.9
May19° / 6711.9015.45.8
Jun22° / 12°6811.4016.56.3
Jul24° / 14°8212.7016.16.5
Aug24° / 14°6410.4014.56.8
Sep18° / 579.8012.45.8
Oct12° / 459.20.210.33.3
Nov / 399.22.38.50.6
Dec / -2°429.94.47.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34753
44654
54654
64555
74555
84456
94357
104258
114159
124258
134258
144159
154060
164060
174060
184060
194159
204159
214159
224159
234258
244258
254357
264357
274357
284456
294456
304456
314555

Chance of precipitation in May

Any precipitation

Legionowo gets around 67 mm of rain over 11.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
232
333
433
534
635
736
837
937
1038
1138
1239
1339
1439
1539
1640
1740
1840
1939
2039
2139
2239
2339
2439
2538
2638
2738
2837
2937
3037
3136

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59730
69730
79640
89640
99550
109550
119361
129271
139271
149181
159091
169091
1789101
1888102
1987112
2087112
2186122
2285123
2384133
2483143
2583143
2682153
2782153
2880164
2979174
3079174
3177185

Wind in May

Winds average 12 km/h in May.

Across May, 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.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 36 min at the start of May to 16 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over May. Sunrise moves from 4:15 AM to 3:29 AM, and sunset from 6:52 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:156:52
214.74:136:54
314.74:116:55
414.84:096:57
514.94:076:59
614.94:057:01
715.04:037:02
815.04:027:04
915.14:007:06
1015.23:587:07
1115.23:567:09
1215.33:557:11
1315.33:537:12
1415.43:517:14
1515.43:507:15
1615.53:487:17
1715.53:477:19
1815.63:457:20
1915.63:447:22
2015.73:427:23
2115.73:417:25
2215.83:397:26
2315.83:387:28
2415.93:377:29
2515.93:367:30
2616.03:347:32
2716.03:337:33
2816.03:327:34
2916.13:317:36
3016.13:307:37
3116.13:297:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.19 kWh/m².

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 5.47 kWh/m² in June across the year — May's 5.19 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Legionowo?

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

5.8
Sightseeing
4th-best month of the year
2.5
Beach & pool
4th-best month of the year

May is a reasonable time to visit Legionowo for sightseeing.

What to pack for Legionowo in May

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

In May, Legionowo sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Legionowo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Legionowo peaks around June 20 at about 6 (high) — a little sun protection helps at midday. 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 Legionowo in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Legionowo is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Legionowo's WHO annual average of 21.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2225 µg/m³Dec 1715 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr24Moderate
May23Moderate
Jun25Moderate
Jul24Moderate
Aug22Moderate
Sep21Moderate
Oct18Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Legionowo?

Legionowo sits at 52.4°N, 20.9°E, 77 m above sea level, in Poland. The nearest listed city is Łomianki, 8.0 km away.

Topography around Legionowo

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

Within 3 km, the terrain around Legionowo has only modest variations in elevation — a maximum elevation change of 26 m around an average of 84 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, only modest variations in elevation — a maximum elevation change of 176 m.

The land around Legionowo is covered by trees (62%) and artificial surfaces (28%) within 3 km, trees (57%) and grassland (21%) within 16 km, and trees (39%), cropland (34%) and grassland (23%) within 80 km.

3 km
26 m
16 km
82 m
80 km
176 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Łomianki 8.0 km · Białołeka 9.0 km · Bielany 12 km · Nowy Dwór Mazowiecki 15 km · Targówek 15 km · Marki 15 km · Żoliborz 15 km · Bemowo 16 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 Legionowo (52.4015°, 20.9266°, elevation 77 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).