Nisko weather in May

In May, Nisko sees average daytime highs of 20°C and overnight lows near 9°C, with 78 mm of rain across 13.7 wet days and about 15.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 23% 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 54 min by month's end. Set against the rest of the year, May is Nisko's 6th-clearest and 9th-windiest month. For the whole year in context, see Nisko's year-round climate.

Daytime high
20°
4th warmest
Overnight low
8th coldest
Rainfall
78 mm
13.7 wet days
Daylight
15 h 12 min
3:51 AM – 7:05 PM
Cloud cover
64%
6th clearest
Wind
11 km/h
9th windiest
Solar energy
5.09 kWh/m²
Travel score
5.7
out of 10

Nisko is city of Poland.

Air quality
Elevated
PM2.5 20.3 µg/m³ · 2019
Density
255/km²
people per km²
Founded
1439

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 19°C in the first days to 21°C by the end.

A typical May day in Nisko reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°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
2198
3198
4198
5198
6198
7198
8198
9198
10198
11199
12199
13209
14209
15209
16209
17209
18209
19209
202010
212010
222010
232010
242110
252110
262110
272110
282111
292111
302111
312211

How May really feels in Nisko

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.

Nisko weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4310.66.88.30.0
Feb / -3°40106.39.70.0
Mar / -0°4710.43.411.51.1
Apr14° / 5110.50.713.54.2
May20° / 7813.7015.25.7
Jun23° / 13°8012.7016.16.3
Jul25° / 15°9113.5015.86.3
Aug25° / 14°6210.5014.36.8
Sep19° / 10°7210.4012.46.0
Oct13° / 529.20.410.43.8
Nov / 449.42.78.71.0
Dec / -2°419.757.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24456
34456
44456
54357
64357
74357
84258
94258
104159
114159
124060
133961
143961
153862
163862
173862
183961
193961
203961
214060
224159
234159
244258
254159
264357
274357
284357
294555
304555
314555

Chance of precipitation in May

Any precipitation

Nisko gets around 78 mm of rain over 13.7 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
340
440
541
641
742
842
942
1043
1143
1244
1344
1445
1545
1645
1745
1846
1946
2046
2146
2246
2346
2446
2546
2646
2746
2845
2945
3044
3144

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 88% 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
79640
89550
99550
109460
119370
129271
139181
149091
1589101
1689101
1788111
1887121
1986131
2085132
2184142
2283152
2383152
2482162
2580173
2679183
2779183
2877194
2976204
3075214
3174215

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
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 54 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 4:15 AM to 3:33 AM, and sunset from 6:42 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:156:42
214.54:146:43
314.64:126:45
414.64:106:47
514.74:086:48
614.74:066:50
714.84:056:51
814.84:036:53
914.94:016:54
1014.94:006:56
1115.03:586:57
1215.03:566:59
1315.13:557:00
1415.13:537:02
1515.23:527:03
1615.23:517:05
1715.33:497:06
1815.33:487:08
1915.43:467:09
2015.43:457:11
2115.53:447:12
2215.53:437:13
2315.63:417:15
2415.63:407:16
2515.63:397:17
2615.73:387:18
2715.73:377:20
2815.73:367:21
2915.83:357:22
3015.83:347:23
3115.93:337:24

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 0.66 kWh/m² to a high of 5.44 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
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in May

Is May a good time to visit Nisko?

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

5.7
Sightseeing
5th-best month of the year
2.9
Beach & pool
4th-best month of the year

May is a reasonable time to visit Nisko for sightseeing.

What to pack for Nisko in May

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

In May, Nisko sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

UV index in Nisko 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 Nisko peaks around June 23 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Nisko 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 Nisko is worst in June — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nisko's WHO annual average of 20.3 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2226 µg/m³Dec 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar24Moderate
Apr24Moderate
May24Moderate
Jun27Moderate
Jul26Moderate
Aug24Moderate
Sep20Moderate
Oct15Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Nisko?

Nisko sits at 50.5°N, 22.1°E, 162 m above sea level, in Poland. The nearest listed city is Stalowa Wola, 9.0 km away.

BiłgorajKraśnikŁańcutRzeszówMielec

Topography around Nisko

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

Within 3 km, the terrain around Nisko has only modest variations in elevation — a maximum elevation change of 43 m around an average of 162 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, significant variations in elevation — a maximum elevation change of 430 m.

The land around Nisko is covered by trees (48%) and grassland (29%) within 3 km, trees (65%) and grassland (26%) within 16 km, and trees (44%) and cropland (37%) within 80 km.

3 km
43 m
16 km
81 m
80 km
430 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Stalowa Wola 9.0 km · Sandomierz 33 km · Tarnobrzeg 33 km · Biłgoraj 41 km · Kraśnik 45 km · Łańcut 51 km · Rzeszów 54 km · Mielec 57 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 Nisko (50.5199°, 22.1397°, elevation 162 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).