Osowa weather in May

In May, Osowa sees average daytime highs of 14°C and overnight lows near 8°C, with 62 mm of rain across 11.1 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 16°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of May to 16 h 30 min by month's end. Set against the rest of the year, May is Osowa's 1st-clearest and 11th-windiest month. For the whole year in context, see Osowa's year-round climate.

Daytime high
14°
5th warmest
Overnight low
8th coldest
Rainfall
62 mm
11.1 wet days
Daylight
15 h 48 min
3:49 AM – 7:36 PM
Cloud cover
58%
1st clearest
Wind
15 km/h
11th windiest
Solar energy
5.49 kWh/m²
Travel score
4.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 16°C by the end.

A typical May day in Osowa reaches about 14°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 20°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1136
2136
3136
4136
5136
6136
7137
8137
9147
10147
11147
12147
13147
14148
15148
16148
17158
18158
19158
20158
21158
22159
23159
24169
25169
26169
27169
28169
291610
301610
311710

How May really feels in Osowa

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.

Osowa weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°4711.96.57.60.0
Feb / -2°3810.16.19.30.0
Mar / 4410.84.411.50.2
Apr10° / 429.31.113.72.2
May14° / 6211.1015.74.2
Jun18° / 12°7312.8016.95.4
Jul20° / 14°9213.6016.45.9
Aug21° / 14°8112.6014.76.1
Sep17° / 11°6511.4012.55.0
Oct12° / 6311.90.210.22.8
Nov / 5011.728.20.6
Dec / -0°5211.957.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54753
64654
74753
84753
94852
104654
114753
124753
134654
144753
154852
164852
174852
184852
194852
204852
214951
224951
234951
244951
254951
264951
275050
285050
295050
305149
315050

Chance of precipitation in May

Any precipitation

Osowa gets around 62 mm of rain over 11.1 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 35% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
330
431
531
632
733
833
934
1035
1136
1236
1337
1437
1538
1638
1738
1838
1938
2038
2138
2238
2338
2437
2537
2637
2737
2836
2936
3036
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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
89910
99910
109910
119910
129910
139910
149820
159820
169730
179730
189730
199640
209640
219550
229361
239361
249271
259181
269181
279091
289091
2989101
3088111
3187112

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 48 min at the start of May to 16 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 102 minutes over May. Sunrise moves from 4:19 AM to 3:28 AM, and sunset from 7:08 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:197:08
214.94:167:10
315.04:147:12
415.04:127:14
515.14:107:16
615.24:087:18
715.24:067:19
815.34:047:21
915.44:027:23
1015.44:007:25
1115.53:587:27
1215.53:567:28
1315.63:547:30
1415.73:537:32
1515.73:517:34
1615.83:497:36
1715.83:487:37
1815.93:467:39
1915.93:447:41
2016.03:437:42
2116.03:417:44
2216.13:407:46
2316.13:387:47
2416.23:377:49
2516.23:357:50
2616.33:347:52
2716.33:337:53
2816.43:327:55
2916.43:307:56
3016.53:297:57
3116.53:287:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.49 kWh/m².

For context, solar energy here swings from a low near 0.43 kWh/m² to a high of 5.73 kWh/m² in June across the year — May's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Osowa?

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

4.2
Sightseeing
5th-best month of the year
0.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Osowa for sightseeing.

What to pack for Osowa in May

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

In May, Osowa sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Osowa in May

The nearest coast averages about 9°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul17Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Osowa 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 Osowa peaks around June 19 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Osowa?

Osowa sits at 54.4°N, 18.5°E, 153 m above sea level, in Poland. The nearest listed city is Sopot, 6.0 km away.

Topography around Osowa

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

Within 3 km, the terrain around Osowa has only modest variations in elevation — a maximum elevation change of 96 m around an average of 153 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Osowa is covered by trees (52%) within 3 km, trees (40%) within 16 km, and water (34%), trees (28%) and cropland (25%) within 80 km.

3 km
96 m
16 km
248 m
80 km
339 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Sopot 6.0 km · Przymorze Wielkie 9.0 km · Wrzeszcz Górny 10 km · Gdynia 11 km · Wrzeszcz Dolny 11 km · Wrzeszcz 11 km · Piecki-Migowo 11 km · Chełm 14 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 Osowa (54.4311°, 18.4673°, elevation 153 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).