Suwałki weather in July

In July, Suwałki sees average daytime highs of 23°C and overnight lows near 13°C, with 80 mm of rain across 12.2 wet days and about 16.4 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels dry.

Daylight stretches from about 16 h 48 min at the start of July to 15 h 42 min by month's end. Set against the rest of the year, July is Suwałki's 2nd-clearest and 11th-windiest month. For the whole year in context, see Suwałki's year-round climate.

Daytime high
23°
1st warmest
Overnight low
13°
12th coldest
Rainfall
80 mm
12.2 wet days
Daylight
16 h 24 min
3:22 AM – 7:46 PM
Cloud cover
62%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
6.4
out of 10

Suwałki is town in Poland.

Air quality
Moderate
PM2.5 12 µg/m³ · 2019
Density
1,049/km²
people per km²
Founded
1690

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 22°C in the first days to 24°C by the end.

A typical July day in Suwałki reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42213
52213
62213
72213
82213
92213
102213
112213
122313
132313
142313
152313
162313
172314
182314
192314
202314
212314
222314
232314
242314
252314
262414
272414
282414
292414
302414
312414

How July really feels in Suwałki

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.

Suwałki weather by month

How July compares with the rest of the year at a glance. July is the 1st-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° / -5°4110.97.57.70.0
Feb / -5°369.46.99.40.0
Mar / -2°3910.24.511.50.3
Apr12° / 429.21.213.73.1
May18° / 59120.115.75.4
Jun21° / 11°7211.9016.86.0
Jul23° / 13°8012.2016.46.4
Aug22° / 13°7211.7014.66.4
Sep17° / 559.1012.55.3
Oct11° / 5010.30.610.22.5
Nov / 399.73.18.30.2
Dec / -3°4310.16.27.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54357
64357
74357
84357
94357
104357
114357
124258
134258
144258
154357
164357
174357
184357
194357
204357
214456
224456
234456
244555
254555
264555
274456
284456
294456
304456
314555

Chance of precipitation in July

Any precipitation

Suwałki gets around 80 mm of rain over 12.2 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 39% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1142
1242
1341
1441
1540
1640
1739
1839
1938
2038
2137
2237
2337
2436
2536
2636
2735
2835
2935
3035
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16126112
26027112
35927122
45828122
55529133
65430133
75430133
85231143
95132143
105132143
114932154
124933154
134833154
144733154
154734154
164634164
174534165
184435165
194435175
204335175
214235185
224135194
234036204
244036214
253936224
263835234
273835233
283735243
293735253
303735253
313735253

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 11 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 16 h 48 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 66 minutes over July. Sunrise moves from 3:06 AM to 3:44 AM, and sunset from 7:57 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.83:067:57
216.83:077:57
316.83:087:56
416.83:097:56
516.83:097:55
616.73:107:55
716.73:117:54
816.73:127:53
916.73:137:53
1016.63:147:52
1116.63:157:51
1216.63:177:50
1316.53:187:49
1416.53:197:48
1516.43:207:47
1616.43:227:46
1716.43:237:45
1816.33:247:44
1916.33:267:43
2016.23:277:41
2116.23:297:40
2216.13:307:39
2316.13:327:37
2416.03:337:36
2516.03:357:34
2615.93:367:33
2715.93:387:31
2815.83:397:30
2915.83:417:28
3015.73:437:26
3115.73:447:24

Solar energy in July

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 0.43 kWh/m² to a high of 5.42 kWh/m² in June across the year — July's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Suwałki?

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

6.4
Sightseeing
1st-best month of the year
4.8
Beach & pool
1st-best month of the year

July is a reasonable time to visit Suwałki for sightseeing.

What to pack for Suwałki in July

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

In July, Suwałki sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Suwałki in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Suwałki 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
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Suwałki in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Suwałki is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 7 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Suwałki's WHO annual average of 12 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1315 µg/m³Dec 167 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar15Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug14Moderate
Sep12Moderate
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Suwałki?

Suwałki sits at 54.1°N, 22.9°E, 177 m above sea level, in Poland. The nearest listed city is Olecko, 29 km away.

EłkMarijampolėGrajewoGusevGrodnoGiżycko

Topography around Suwałki

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

Within 3 km, the terrain around Suwałki has only modest variations in elevation — a maximum elevation change of 64 m around an average of 176 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 160 m; within 80 km, significant variations in elevation — a maximum elevation change of 292 m.

The land around Suwałki is covered by artificial surfaces (32%), grassland (30%) and cropland (20%) within 3 km, grassland (34%), trees (30%) and cropland (27%) within 16 km, and trees (36%), cropland (31%) and grassland (29%) within 80 km.

3 km
64 m
16 km
160 m
80 km
292 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Olecko 29 km · Augustów 30 km · Ełk 49 km · Marijampolė 57 km · Grajewo 60 km · Gusev 71 km · Grodno 76 km · Giżycko 77 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 Suwałki (54.1118°, 22.9309°, elevation 177 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).