Kluczbork weather in May

In May, Kluczbork sees average daytime highs of 19°C and overnight lows near 9°C, with 68 mm of rain across 12.2 wet days and about 15.3 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 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of May to 15 h 54 min by month's end. Set against the rest of the year, May is Kluczbork's 6th-clearest and 9th-windiest month. For the whole year in context, see Kluczbork's year-round climate.

Daytime high
19°
5th warmest
Overnight low
8th coldest
Rainfall
68 mm
12.2 wet days
Daylight
15 h 18 min
4:05 AM – 7:22 PM
Cloud cover
64%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
5.15 kWh/m²
Travel score
5.8
out of 10

Kluczbork is city of Poland.

Air quality
Elevated
PM2.5 17.3 µg/m³ · 2019
Density
2,103/km²
people per km²
Founded
1253

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 Kluczbork 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
2187
3187
4188
5188
6188
7188
8188
9188
10188
11198
12198
13198
14199
15199
16199
17199
18199
19199
20199
21209
222010
232010
242010
252010
262010
272010
282110
292111
302111
312111

How May really feels in Kluczbork

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.

Kluczbork 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°43115.98.20.0
Feb / -3°399.85.19.70.0
Mar / 4910.83.411.51.2
Apr14° / 419.40.913.54.1
May19° / 6812.2015.35.8
Jun22° / 12°7411.9016.26.3
Jul25° / 14°9313015.86.5
Aug24° / 14°6110.3014.36.8
Sep19° / 10°6110.3012.45.9
Oct13° / 509.70.210.43.7
Nov / 439.32.38.71.0
Dec / -2°4510.24.57.80.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54258
64258
74258
84258
94060
104159
114159
124159
134060
144060
153961
163961
173961
184060
194060
204060
214060
224060
234060
244159
254159
264159
274159
284258
294357
304357
314357

Chance of precipitation in May

Any precipitation

Kluczbork gets around 68 mm of rain over 12.2 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 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
236
337
437
538
638
739
839
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1939
2038
2138
2238
2338
2438
2538
2638
2738
2838
2939
3039
3139

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39820
49730
59730
69640
79640
89550
99550
109550
119460
129460
139460
149370
159370
169370
179370
189280
199280
209190
219091
2289101
2388111
2488111
2587121
2686131
2784142
2883152
2982162
3080173
3179183

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 30 min at the start of May to 15 h 54 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 4:30 AM to 3:47 AM, and sunset from 6:59 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:306:59
214.54:287:00
314.64:267:02
414.74:247:04
514.74:237:05
614.84:217:07
714.84:197:08
814.94:177:10
914.94:167:12
1015.04:147:13
1115.04:127:15
1215.14:117:16
1315.14:097:18
1415.24:077:19
1515.24:067:21
1615.34:057:22
1715.34:037:24
1815.44:027:25
1915.44:007:27
2015.53:597:28
2115.53:587:29
2215.63:567:31
2315.63:557:32
2415.73:547:34
2515.73:537:35
2615.73:527:36
2715.83:517:37
2815.83:507:39
2915.93:497:40
3015.93:487:41
3115.93:477:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.15 kWh/m².

For context, solar energy here swings from a low near 0.66 kWh/m² to a high of 5.42 kWh/m² in June across the year — May's 5.15 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
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Kluczbork?

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
2.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kluczbork for sightseeing.

What to pack for Kluczbork in May

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

In May, Kluczbork 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 Kluczbork 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 Kluczbork 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
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Kluczbork 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 Kluczbork is worst in June — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Kluczbork's WHO annual average of 17.3 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1622 µg/m³Dec 1512 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar20Moderate
Apr20Moderate
May20Moderate
Jun22Moderate
Jul20Moderate
Aug20Moderate
Sep17Moderate
Oct14Moderate
Nov13Moderate
Dec12Good
Location & terrain

Where is Kluczbork?

Kluczbork sits at 51.0°N, 18.2°E, 185 m above sea level, in Poland. The nearest listed city is Namysłów, 36 km away.

OpoleLubliniecStrzelce OpolskieBrzegKrapkowiceJelcz

Topography around Kluczbork

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

Within 3 km, the terrain around Kluczbork has only modest variations in elevation — a maximum elevation change of 38 m around an average of 189 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.

The land around Kluczbork is covered by cropland (53%) within 3 km, cropland (51%) and trees (37%) within 16 km, and cropland (47%) and trees (39%) within 80 km.

3 km
38 m
16 km
127 m
80 km
507 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Namysłów 36 km · Wieluń 37 km · Opole 39 km · Lubliniec 47 km · Strzelce Opolskie 52 km · Brzeg 54 km · Krapkowice 58 km · Jelcz 63 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 Kluczbork (50.9728°, 18.2182°, elevation 185 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).