Olsztyn weather in June

In June, Olsztyn sees average daytime highs of 21°C and overnight lows near 11°C, with 71 mm of rain across 12.3 wet days and about 16.7 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 20% of the time in June, and the air most often feels dry.

Daylight stretches from about 16 h 24 min at the start of June to 16 h 48 min by month's end. Set against the rest of the year, June is Olsztyn's 5th-clearest and 10th-windiest month. For the whole year in context, see Olsztyn's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
71 mm
12.3 wet days
Daylight
16 h 48 min
3:14 AM – 8:02 PM
Cloud cover
64%
5th clearest
Wind
13 km/h
10th windiest
Solar energy
5.34 kWh/m²
Travel score
5.9
out of 10

Olsztyn is city in Warmian-Masurian Voivodeship, Poland.

Air quality
Moderate
PM2.5 15 µg/m³ · 2019
Density
1,929/km²
people per km²
Founded
1353

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical June day in Olsztyn reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, June runs about 3°C warmer than May and about 2°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12010
22010
32010
42010
52010
62010
72010
82010
92011
102011
112011
122111
132111
142011
152011
162011
172011
182111
192111
202111
212111
222112
232112
242112
252112
262112
272112
282112
292112
302112

How June really feels in Olsztyn

Once humidity and wind are folded in, June 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

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Olsztyn weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -4°4310.86.67.80.0
Feb / -4°378.85.59.40.0
Mar / -1°4310.34.111.50.4
Apr12° / 419.71.313.73.3
May18° / 6412.20.115.65.4
Jun21° / 11°7112.3016.75.9
Jul23° / 13°8613.3016.36.3
Aug22° / 13°6611.5014.66.5
Sep17° / 599.8012.55.4
Oct11° / 5010.10.410.22.8
Nov / 429.92.48.30.4
Dec / -2°4510.45.47.30.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54456
64357
74357
84258
94159
104159
113961
123961
133763
143763
153664
163565
173565
183565
193565
203664
213664
223664
233763
243763
253862
263961
274060
284258
294258
304258

Chance of precipitation in June

Any precipitation

Olsztyn gets around 71 mm of rain over 12.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
136
236
335
435
535
636
736
837
937
1038
1139
1241
1342
1443
1544
1645
1746
1846
1947
2047
2147
2247
2346
2446
2546
2646
2745
2845
2945
3045

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1821530
2811540
3801640
4791650
5781750
6771760
7771760
8771760
9761770
10761770
11761770
12751870
13751870
14741880
15741880
16731980
17731980
18731980
19722080
20722071
21722071
22712171
23702181
24692281
25682381
26672481
27662482
28642592
29632692
306226102

Wind in June

Winds average 13 km/h in June.

Across June, 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.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 16 h 24 min at the start of June to 16 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over June. Sunrise moves from 3:23 AM to 3:18 AM, and sunset from 7:48 PM to 8:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
116.43:237:48
216.53:227:50
316.53:217:51
416.53:207:52
516.63:197:53
616.63:197:54
716.63:187:55
816.63:177:56
916.73:177:57
1016.73:167:58
1116.73:167:59
1216.73:158:00
1316.83:158:00
1416.83:158:01
1516.83:148:02
1616.83:148:02
1716.83:148:03
1816.83:148:03
1916.83:148:04
2016.83:148:04
2116.83:148:04
2216.83:148:05
2316.83:158:05
2416.83:158:05
2516.83:158:05
2616.83:158:05
2716.83:168:05
2816.83:168:05
2916.83:178:05
3016.83:188:05

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.34 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.44 kWh/m² to a high of 5.34 kWh/m² in June across the year — June's 5.34 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in June

Is June a good time to visit Olsztyn?

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

5.9
Sightseeing
3rd-best month of the year
3.4
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Olsztyn for sightseeing.

What to pack for Olsztyn in June

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

In June, Olsztyn sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Olsztyn in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Olsztyn peaks around June 23 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 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 23UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Olsztyn in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Olsztyn is worst in March — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Olsztyn's WHO annual average of 15 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2221 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar21Moderate
Apr20Moderate
May17Moderate
Jun18Moderate
Jul17Moderate
Aug16Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec9Good
Location & terrain

Where is Olsztyn?

Olsztyn sits at 53.8°N, 20.5°E, 151 m above sea level, in Poland. The nearest listed city is Ostróda, 36 km away.

Lidzbark WarmińskiSzczytnoMrągowoBartoszyceDziałdowoIławaKętrzyn

Topography around Olsztyn

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

Within 3 km, the terrain around Olsztyn has only modest variations in elevation — a maximum elevation change of 73 m around an average of 130 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, significant variations in elevation — a maximum elevation change of 324 m.

The land around Olsztyn is covered by trees (54%) and artificial surfaces (38%) within 3 km, trees (51%) and grassland (26%) within 16 km, and trees (42%), cropland (31%) and grassland (24%) within 80 km.

3 km
73 m
16 km
125 m
80 km
324 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Ostróda 36 km · Lidzbark Warmiński 38 km · Szczytno 41 km · Mrągowo 54 km · Bartoszyce 56 km · Działdowo 64 km · Iława 64 km · Kętrzyn 66 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 Olsztyn (53.7838°, 20.4927°, elevation 151 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).