Kartuzy weather in May

In May, Kartuzy sees average daytime highs of 16°C and overnight lows near 7°C, with 69 mm of rain across 12.1 wet days and about 15.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% 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 Kartuzy's 1st-clearest and 10th-windiest month. For the whole year in context, see Kartuzy's year-round climate.

Daytime high
16°
5th warmest
Overnight low
8th coldest
Rainfall
69 mm
12.1 wet days
Daylight
15 h 48 min
3:51 AM – 7:36 PM
Cloud cover
60%
1st clearest
Wind
14 km/h
10th windiest
Solar energy
5.33 kWh/m²
Travel score
5.0
out of 10

Kartuzy is city in Pomeranian Voivodeship, Poland.

Density
2,408/km²
people per km²
Founded
1391

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 15°C in the first days to 18°C by the end.

A typical May day in Kartuzy reaches about 16°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°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)
1155
2155
3155
4155
5155
6156
7156
8156
9166
10166
11166
12166
13166
14167
15167
16167
17167
18177
19177
20177
21177
22178
23178
24178
25178
26188
27188
28188
29188
30189
31189

How May really feels in Kartuzy

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.

Kartuzy weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°4210.46.17.70.0
Feb / -3°3595.99.30.0
Mar / -1°4310.74.511.50.4
Apr11° / 4310.11.413.72.9
May16° / 6912.1015.75.0
Jun19° / 10°7913.2016.85.6
Jul21° / 13°9914.1016.45.9
Aug21° / 13°8013.2014.76.0
Sep17° / 5710.6012.55.2
Oct11° / 4910.80.310.22.8
Nov / 389.32.28.20.4
Dec / -2°4410.34.87.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44357
54357
64357
74357
84357
94258
104357
114357
124258
134357
144258
154357
164357
174456
184456
194456
204456
214555
224555
234555
244654
254654
264654
274654
284654
294654
304654
314654

Chance of precipitation in May

Any precipitation

Kartuzy gets around 69 mm of rain over 12.1 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
334
434
535
636
736
837
938
1039
1140
1240
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2340
2440
2540
2639
2739
2839
2938
3038
3138

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
29910
39910
49910
59910
69910
79910
89910
99910
109820
119820
129820
139730
149730
159640
169640
179550
189550
199361
209271
219271
229181
239091
249091
2588102
2687112
2787112
2886122
2986122
3085132
3185132

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 4:20 AM to 3:30 AM, and sunset from 7:09 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:207:09
214.94:187:11
315.04:167:13
415.04:147:15
515.14:117:16
615.14:097:18
715.24:077:20
815.34:057:22
915.34:037:24
1015.44:027:26
1115.54:007:27
1215.53:587:29
1315.63:567:31
1415.63:547:33
1515.73:527:34
1615.83:517:36
1715.83:497:38
1815.93:477:40
1915.93:467:41
2016.03:447:43
2116.03:437:45
2216.13:417:46
2316.13:407:48
2416.23:387:49
2516.23:377:51
2616.33:367:52
2716.33:347:54
2816.43:337:55
2916.43:327:57
3016.53:317:58
3116.53:307:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.33 kWh/m².

For context, solar energy here swings from a low near 0.44 kWh/m² to a high of 5.5 kWh/m² in June across the year — May's 5.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Kartuzy?

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

5.0
Sightseeing
5th-best month of the year
0.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kartuzy for sightseeing.

What to pack for Kartuzy in May

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

In May, Kartuzy sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Kartuzy 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 43 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 Kartuzy 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 Kartuzy peaks around June 18 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 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 18UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kartuzy?

Kartuzy sits at 54.3°N, 18.2°E, 210 m above sea level, in Poland. The nearest listed city is Osowa, 21 km away.

Topography around Kartuzy

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

Within 3 km, the terrain around Kartuzy has only modest variations in elevation — a maximum elevation change of 114 m around an average of 222 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 235 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Kartuzy is covered by trees (72%) within 3 km, trees (43%), grassland (26%) and cropland (24%) within 16 km, and trees (35%), water (27%) and cropland (25%) within 80 km.

3 km
114 m
16 km
235 m
80 km
339 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Osowa 21 km · Piecki-Migowo 25 km · Wrzeszcz Górny 26 km · Ujeścisko-Łostowice 26 km · Sopot 26 km · Wrzeszcz 27 km · Orunia Górna-Gdańsk Południe 27 km · Chełm 27 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 Kartuzy (54.3342°, 18.1974°, elevation 210 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).