Siemiatycze weather in August

In August, Siemiatycze sees average daytime highs of 23°C and overnight lows near 13°C, with 65 mm of rain across 10.1 wet days and about 14.5 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Siemiatycze's 1st-clearest and 12th-windiest month. For the whole year in context, see Siemiatycze's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
65 mm
10.1 wet days
Daylight
14 h 30 min
4:18 AM – 6:47 PM
Cloud cover
58%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
4.48 kWh/m²
Travel score
6.8
out of 10

Siemiatycze is city and urban gmina of Poland.

Density
425/km²
people per km²
Founded
1450

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 25°C in the first days to 21°C by the end.

A typical August day in Siemiatycze reaches about 23°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 29°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82514
92414
102414
112414
122413
132413
142413
152413
162413
172413
182313
192313
202313
212312
222312
232312
242212
252212
262212
272212
282211
292111
302111
312111

How August really feels in Siemiatycze

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.

Siemiatycze weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -5°39106.880.0
Feb / -4°369.36.69.50.0
Mar / -1°4110.14.211.50.6
Apr13° / 469.81.213.63.6
May19° / 6611.90.115.55.7
Jun22° / 11°7411.8016.56.2
Jul24° / 14°7912.4016.16.5
Aug23° / 13°6510.1014.56.8
Sep18° / 589.1012.45.7
Oct12° / 469.30.410.33.0
Nov / 399.22.88.50.4
Dec / -3°4210.15.57.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34951
44951
54951
64951
74951
84951
94852
104951
114951
124951
134951
144951
154951
165050
175050
185050
195050
205050
215050
224951
234951
244951
254753
264753
274555
284555
294555
304456
314357

Chance of precipitation in August

Any precipitation

Siemiatycze gets around 65 mm of rain over 10.1 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 33% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
436
535
635
735
834
934
1034
1133
1233
1332
1432
1532
1632
1732
1831
1931
2031
2131
2231
2332
2432
2532
2633
2733
2833
2934
3034
3134

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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13435264
23535264
33634264
43734254
53933253
64033243
74232233
84332223
94432213
104532203
114732183
124832173
134932162
145132152
155132152
165331142
175431132
185431132
195631121
205830111
215830111
225930101
236029101
24612991
25642880
26642880
27662770
28672760
29682660
30692650
31702550

Wind in August

Winds average 11 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
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 24 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 114 minutes over August. Sunrise moves from 3:53 AM to 4:43 AM, and sunset from 7:16 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.43:537:16
215.33:557:14
315.33:567:13
415.23:587:11
515.24:007:09
615.14:017:07
715.04:037:05
815.04:047:03
914.94:067:02
1014.94:087:00
1114.84:096:58
1214.74:116:56
1314.74:136:54
1414.64:146:52
1514.64:166:50
1614.54:186:47
1714.44:206:45
1814.44:216:43
1914.34:236:41
2014.24:256:39
2114.24:266:37
2214.14:286:34
2314.04:306:32
2414.04:316:30
2513.94:336:28
2613.84:356:25
2713.84:376:23
2813.74:386:21
2913.64:406:18
3013.64:426:16
3113.54:436:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

For context, solar energy here swings from a low near 0.51 kWh/m² to a high of 5.52 kWh/m² in June across the year — August's 4.48 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.1Bright
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Siemiatycze?

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

6.8
Sightseeing
1st-best month of the year
5.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Siemiatycze for sightseeing.

What to pack for Siemiatycze in August

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

In August, Siemiatycze sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Siemiatycze 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 Siemiatycze peaks around June 22 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low
Location & terrain

Where is Siemiatycze?

Siemiatycze sits at 52.4°N, 22.9°E, 147 m above sea level, in Poland. The nearest listed city is Sokołów Podlaski, 41 km away.

Sokołów PodlaskiBielsk PodlaskiBiała PodlaskaSiedlceMiędzyrzec PodlaskiHajnówkaŁapyŁuków

Topography around Siemiatycze

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

Within 3 km, the terrain around Siemiatycze has only modest variations in elevation — a maximum elevation change of 66 m around an average of 155 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, only modest variations in elevation — a maximum elevation change of 142 m.

The land around Siemiatycze is covered by trees (43%) and cropland (28%) within 3 km, trees (45%), cropland (33%) and grassland (20%) within 16 km, and cropland (42%), trees (36%) and grassland (20%) within 80 km.

3 km
66 m
16 km
106 m
80 km
142 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Sokołów Podlaski 41 km · Bielsk Podlaski 43 km · Biała Podlaska 47 km · Siedlce 48 km · Międzyrzec Podlaski 49 km · Hajnówka 60 km · Łapy 63 km · Łuków 64 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 Siemiatycze (52.4272°, 22.8623°, elevation 147 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).