Kędzierzyn-Koźle weather in May

In May, Kędzierzyn-Koźle sees average daytime highs of 19°C and overnight lows near 9°C, with 73 mm of rain across 12.7 wet days and about 15.2 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°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 24 min at the start of May to 15 h 48 min by month's end. Set against the rest of the year, May is Kędzierzyn-Koźle's 6th-clearest and 8th-windiest month. For the whole year in context, see Kędzierzyn-Koźle's year-round climate.

Daytime high
19°
5th warmest
Overnight low
8th coldest
Rainfall
73 mm
12.7 wet days
Daylight
15 h 12 min
4:07 AM – 7:20 PM
Cloud cover
63%
6th clearest
Wind
12 km/h
8th windiest
Solar energy
5.06 kWh/m²
Travel score
5.8
out of 10

Kędzierzyn-Koźle is city in Opole Voivodeship, Poland.

Air quality
Elevated
PM2.5 20.1 µg/m³ · 2019
Density
532/km²
people per km²
Founded
1975

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 21°C by the end.

A typical May day in Kędzierzyn-Koźle 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 26°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)
1187
2188
3188
4188
5188
6198
7198
8198
9198
10198
11198
12199
13199
14199
15199
16199
17199
18199
19199
20209
212010
222010
232010
242010
252010
262010
272010
282110
292111
302111
312111

How May really feels in Kędzierzyn-Koźle

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.

Kędzierzyn-Koźle weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°4010.55.58.30.0
Feb / -2°359.14.79.70.0
Mar / 4510.92.911.51.5
Apr15° / 449.70.913.54.3
May19° / 7312.7015.25.8
Jun23° / 13°7912.3016.16.3
Jul25° / 14°9413.1015.76.5
Aug25° / 14°6610.5014.36.7
Sep20° / 10°6610.3012.46.1
Oct14° / 519.70.310.54.0
Nov / 449.62.38.81.3
Dec / -2°419.64.27.90.0

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 17% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34357
44357
54357
64258
74258
84159
94159
104159
114159
124159
134159
144159
154159
164159
174258
184258
194159
204258
214357
224357
234357
244456
254456
264456
274456
284456
294456
304555
314456

Chance of precipitation in May

Any precipitation

Kędzierzyn-Koźle gets around 73 mm of rain over 12.7 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
237
337
438
539
639
740
840
941
1041
1141
1241
1341
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2541
2641
2741
2842
2942
3042
3142

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 (%)
19820
29820
39730
49730
59640
69640
79550
89550
99460
109460
119370
129370
139280
149280
159190
169190
1790100
1889101
1988111
2087121
2187121
2286131
2384142
2483152
2582162
2680173
2779183
2877194
2976204
3074215
3172226

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
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 24 min at the start of May to 15 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over May. Sunrise moves from 4:32 AM to 3:50 AM, and sunset from 6:57 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:326:57
214.54:306:59
314.54:287:00
414.64:267:02
514.64:247:03
614.74:237:05
714.84:217:06
814.84:197:08
914.94:187:09
1014.94:167:11
1115.04:147:13
1215.04:137:14
1315.14:117:16
1415.14:107:17
1515.24:087:18
1615.24:077:20
1715.34:057:21
1815.34:047:23
1915.44:037:24
2015.44:017:26
2115.44:007:27
2215.53:597:28
2315.53:587:30
2415.63:577:31
2515.63:557:32
2615.73:547:33
2715.73:537:35
2815.73:527:36
2915.83:517:37
3015.83:517:38
3115.83:507:39

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.06 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.34 kWh/m² in June across the year — May's 5.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Kędzierzyn-Koźle?

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

5.8
Sightseeing
5th-best month of the year
2.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kędzierzyn-Koźle for sightseeing.

What to pack for Kędzierzyn-Koźle in May

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

In May, Kędzierzyn-Koźle sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Kędzierzyn-Koźle in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kędzierzyn-Koźle peaks around June 20 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 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 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Kędzierzyn-Koźle 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 Kędzierzyn-Koźle is worst in June — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Kędzierzyn-Koźle's WHO annual average of 20.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1524 µg/m³Dec 1415 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb18Moderate
Mar23Moderate
Apr22Moderate
May23Moderate
Jun24Moderate
Jul23Moderate
Aug23Moderate
Sep20Moderate
Oct17Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Kędzierzyn-Koźle?

Kędzierzyn-Koźle sits at 50.3°N, 18.2°E, 182 m above sea level, in Poland. The nearest listed city is Strzelce Opolskie, 19 km away.

Topography around Kędzierzyn-Koźle

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

Within 3 km, the terrain around Kędzierzyn-Koźle has only modest variations in elevation — a maximum elevation change of 41 m around an average of 187 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,385 m.

The land around Kędzierzyn-Koźle is covered by trees (70%) within 3 km, cropland (47%) and trees (37%) within 16 km, and trees (42%) and cropland (38%) within 80 km.

3 km
41 m
16 km
245 m
80 km
1,385 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Strzelce Opolskie 19 km · Krapkowice 23 km · Racibórz 29 km · Pyskowice 29 km · Gliwice 33 km · Knurów 33 km · Rydułtowy 35 km · Rybnik 36 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 Kędzierzyn-Koźle (50.3498°, 18.2261°, elevation 182 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).