Suwałki weather in August

In August, Suwałki sees average daytime highs of 22°C and overnight lows near 13°C, with 72 mm of rain across 11.7 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 25% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of August to 13 h 36 min by month's end. Set against the rest of the year, August is Suwałki's 1st-clearest and 12th-windiest month. For the whole year in context, see Suwałki's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
72 mm
11.7 wet days
Daylight
14 h 42 min
4:13 AM – 6:52 PM
Cloud cover
60%
1st clearest
Wind
12 km/h
12th windiest
Solar energy
4.3 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 August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 20°C by the end.

A typical August day in Suwałki reaches about 22°C in the afternoon and slips back to 13°C overnight — a 10°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, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82314
92313
102313
112313
122313
132313
142313
152313
162313
172213
182213
192213
202212
212212
222212
232212
242112
252112
262112
272111
282111
292011
302011
312011

How August really feels in Suwałki

Once humidity and wind are folded in, August 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

August 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 August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74654
84555
94654
104753
114753
124852
134852
144852
154852
164951
174951
184951
194753
204753
214753
224753
234654
244555
254456
264456
274456
284258
294159
304159
314060

Chance of precipitation in August

Any precipitation

Suwałki gets around 72 mm of rain over 11.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
437
537
637
737
837
937
1038
1138
1238
1338
1438
1538
1639
1739
1839
1939
2039
2139
2239
2338
2438
2538
2638
2738
2838
2938
3038
3137

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13834253
23834253
33934243
44033243
54233233
64333223
74433213
84532193
94632183
104832173
114932163
125032153
135032153
145132143
155232133
165331133
175531122
185631112
195631112
205731102
215731102
22593092
23613081
24622981
25632971
26652861
27662761
28682750
29702640
30722530
31732430

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 36 min at the start of August to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over August. Sunrise moves from 3:46 AM to 4:40 AM, and sunset from 7:23 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.63:467:23
215.63:487:21
315.53:497:19
415.43:517:17
515.43:537:15
615.33:557:13
715.23:567:11
815.23:587:09
915.14:007:07
1015.14:027:05
1115.04:047:03
1214.94:057:01
1314.94:076:59
1414.84:096:57
1514.74:116:54
1614.74:136:52
1714.64:146:50
1814.54:166:48
1914.54:186:45
2014.44:206:43
2114.34:226:41
2214.24:246:38
2314.24:256:36
2414.14:276:34
2514.04:296:31
2614.04:316:29
2713.94:336:26
2813.84:356:24
2913.74:376:21
3013.74:386:19
3113.64:406:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.3 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 — August's 4.3 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Suwałki?

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

6.4
Sightseeing
1st-best month of the year
4.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Suwałki for sightseeing.

What to pack for Suwałki in August

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

In August, Suwałki sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Suwałki in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).