Ustka weather in July

In July, Ustka sees average daytime highs of 20°C and overnight lows near 15°C, with 87 mm of rain across 12.9 wet days and about 16.4 hours of daylight. It is the 2nd-warmest and 1st-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 33% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 16 h 54 min at the start of July to 15 h 42 min by month's end. Set against the rest of the year, July is Ustka's 2nd-clearest and 10th-windiest month. For the whole year in context, see Ustka's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
87 mm
12.9 wet days
Daylight
16 h 30 min
3:43 AM – 8:13 PM
Cloud cover
56%
2nd clearest
Wind
16 km/h
10th windiest
Solar energy
5.38 kWh/m²
Travel score
6.1
out of 10

Ustka is city and urban gmina of Poland.

Density
1,603/km²
people per km²
Founded
1935

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

Temperature in July

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 July day in Ustka reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11914
21914
31914
41914
52014
62014
72014
82014
92015
102015
112015
122015
132015
142015
152015
162015
172015
182115
192115
202115
212115
222115
232115
242115
252116
262116
272116
282116
292116
302116
312116

How July really feels in Ustka

Once humidity and wind are folded in, July 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

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

Ustka weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5812.24.67.60.0
Feb / -1°4610.64.89.30.0
Mar / 4910.53.211.50.3
Apr10° / 358.40.613.72.3
May14° / 5210.1015.84.3
Jun18° / 12°6410.7016.95.7
Jul20° / 15°8712.9016.46.1
Aug21° / 15°8313.3014.76.0
Sep17° / 12°7812.6012.55.0
Oct12° / 8113.8010.22.9
Nov / 65131.18.20.8
Dec / 6613.64.17.10.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65248
75248
85248
95248
105248
115149
125248
135248
145248
155347
165248
175248
185248
195248
205347
215347
225347
235347
245347
255347
265347
275347
285347
295446
305446
315347

Chance of precipitation in July

Any precipitation

Ustka gets around 87 mm of rain over 12.9 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
339
440
540
641
741
842
942
1043
1143
1243
1344
1444
1544
1643
1743
1843
1942
2042
2141
2241
2340
2440
2539
2639
2738
2837
2937
3037
3137

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15236111
25037121
34839131
44640141
54441151
64241151
74142161
83943171
93843171
103744181
113644191
123545191
133345202
143246202
153146212
163146212
173046222
182946223
192846233
202746233
212646244
222546244
232447255
242347256
252247256
262147266
272047267
282047277
291947277
301947277
311946287

Wind in July

Winds average 16 km/h in July.

Across July, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 54 min at the start of July to 15 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over July. Sunrise moves from 3:28 AM to 4:07 AM, and sunset from 8:24 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.93:288:24
216.93:288:24
316.93:298:23
416.93:308:23
516.93:318:22
616.83:328:22
716.83:338:21
816.83:348:21
916.73:358:20
1016.73:368:19
1116.73:378:18
1216.73:388:17
1316.63:398:16
1416.63:418:15
1516.53:428:14
1616.53:438:13
1716.53:458:12
1816.43:468:11
1916.43:478:09
2016.33:498:08
2116.33:508:07
2216.23:528:05
2316.23:538:04
2416.13:558:02
2516.13:578:01
2616.03:587:59
2716.04:007:58
2815.94:017:56
2915.94:037:54
3015.84:057:53
3115.74:077:51

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.38 kWh/m².

For context, solar energy here swings from a low near 0.42 kWh/m² to a high of 5.73 kWh/m² in June across the year — July's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Ustka?

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

6.1
Sightseeing
1st-best month of the year
3.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Ustka for sightseeing.

What to pack for Ustka in July

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

In July, Ustka sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Ustka in July

The nearest coast averages about 17°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul17Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Ustka in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Ustka peaks around June 18 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 18UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Ustka?

Ustka sits at 54.6°N, 16.9°E, 2 m above sea level, in Poland. The nearest listed city is Słupsk, 17 km away.

LęborkBytówKoszalinBiałogardWejherowoKościerzynaKartuzy

Topography around Ustka

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

Within 3 km, the terrain around Ustka has only modest variations in elevation — a maximum elevation change of 39 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, significant variations in elevation — a maximum elevation change of 283 m.

The land around Ustka is covered by trees (36%) and water (33%) within 3 km, water (43%) and trees (23%) within 16 km, and water (36%) and trees (35%) within 80 km.

3 km
39 m
16 km
87 m
80 km
283 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Słupsk 17 km · Lębork 57 km · Bytów 61 km · Koszalin 62 km · Białogard 85 km · Wejherowo 89 km · Kościerzyna 89 km · Kartuzy 91 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 Ustka (54.5805°, 16.8619°, elevation 2 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).