Zielona Góra weather in May

In May, Zielona Góra sees average daytime highs of 20°C and overnight lows near 9°C, with 56 mm of rain across 10.6 wet days and about 15.4 hours of daylight. It is the 4th-warmest and 4th-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 22% 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 Zielona Góra's 6th-clearest and 9th-windiest month. For the whole year in context, see Zielona Góra's year-round climate.

Daytime high
20°
4th warmest
Overnight low
8th coldest
Rainfall
56 mm
10.6 wet days
Daylight
15 h 24 min
4:12 AM – 7:37 PM
Cloud cover
65%
6th clearest
Wind
12 km/h
9th windiest
Solar energy
5.09 kWh/m²
Travel score
6.1
out of 10

Zielona Góra is City with powiat rights of Poland.

Air quality
Moderate
PM2.5 13.6 µg/m³ · 2019
Density
426/km²
people per km²
Founded
1250

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 Zielona Góra reaches about 20°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
3188
4188
5188
6188
7188
8198
9198
10198
11198
12199
13199
14199
15199
16199
17199
18209
192010
202010
212010
222010
232010
242110
252110
262110
272111
282111
292111
302111
312211

How May really feels in Zielona Góra

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.

Zielona Góra weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°4610.94.48.10.0
Feb / -2°368.73.89.60.0
Mar / 4710.72.611.51.4
Apr14° / 358.20.413.64.4
May20° / 5610.6015.46.1
Jun23° / 13°5811016.46.5
Jul25° / 15°8111.70166.6
Aug24° / 14°6410.3014.46.7
Sep19° / 10°509012.46.1
Oct13° / 449.30.210.43.8
Nov / 419.21.48.61.0
Dec / -1°4310.73.37.60.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
33961
43961
53862
63862
73862
83862
93763
103763
113664
123763
133763
143763
153763
163862
173763
183862
193862
203862
213961
224060
234060
243961
254060
264060
274060
284159
294159
304159
314060

Chance of precipitation in May

Any precipitation

Zielona Góra gets around 56 mm of rain over 10.6 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
128
228
329
430
531
631
732
833
933
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2534
2635
2735
2835
2935
3035
3135

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 92% 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
59730
69640
79640
89640
99640
109550
119550
129550
139550
149460
159460
169361
179271
189271
199181
209181
219091
229091
2388102
2488102
2587112
2686122
2786122
2884133
2983143
3083143
3182153

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 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
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 4:38 AM to 3:53 AM, and sunset from 7:12 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:387:12
214.64:367:14
314.74:347:16
414.84:327:17
514.84:307:19
614.94:297:21
714.94:277:22
815.04:257:24
915.04:237:26
1015.14:217:27
1115.24:207:29
1215.24:187:31
1315.34:167:32
1415.34:157:34
1515.44:137:35
1615.44:127:37
1715.54:107:38
1815.54:097:40
1915.64:077:41
2015.64:067:43
2115.74:047:44
2215.74:037:46
2315.84:027:47
2415.84:017:49
2515.83:597:50
2615.93:587:51
2715.93:577:53
2816.03:567:54
2916.03:557:55
3016.03:547:56
3116.13:537:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.09 kWh/m².

For context, solar energy here swings from a low near 0.57 kWh/m² to a high of 5.33 kWh/m² in June across the year — May's 5.09 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Is May a good time to visit Zielona Góra?

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

6.1
Sightseeing
4th-best month of the year
2.9
Beach & pool
4th-best month of the year

May is a reasonable time to visit Zielona Góra for sightseeing.

What to pack for Zielona Góra in May

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

In May, Zielona Góra sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Zielona Góra 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 Zielona Góra peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 18UV 7Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Zielona Góra 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 Zielona Góra is worst in June — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zielona Góra's WHO annual average of 13.6 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1717 µg/m³Dec 1410 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun17Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec9Good
Location & terrain

Where is Zielona Góra?

Zielona Góra sits at 51.9°N, 15.5°E, 143 m above sea level, in Poland. The nearest listed city is Sulechów, 18 km away.

ŻaryGłogówGubinGuben

Topography around Zielona Góra

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

Within 3 km, the terrain around Zielona Góra has only modest variations in elevation — a maximum elevation change of 124 m around an average of 150 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, significant variations in elevation — a maximum elevation change of 283 m.

The land around Zielona Góra is covered by trees (58%) and artificial surfaces (38%) within 3 km, trees (64%) within 16 km, and trees (56%) and cropland (27%) within 80 km.

3 km
124 m
16 km
195 m
80 km
283 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sulechów 18 km · Nowa Sól 21 km · Świebodzin 35 km · Żagań 38 km · Żary 41 km · Głogów 50 km · Gubin 53 km · Guben 55 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 Zielona Góra (51.9355°, 15.5064°, elevation 143 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).