Sertolovo weather in August

In August, Sertolovo sees average daytime highs of 20°C and overnight lows near 12°C, with 82 mm of rain across 12.6 wet days and about 15.4 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels dry.

Daylight stretches from about 16 h 42 min at the start of August to 14 hours by month's end. Set against the rest of the year, August is Sertolovo's 4th-clearest and 11th-windiest month. For the whole year in context, see Sertolovo's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
12°
11th coldest
Rainfall
82 mm
12.6 wet days
Daylight
15 h 24 min
5:21 AM – 8:45 PM
Cloud cover
67%
4th clearest
Wind
11 km/h
11th windiest
Solar energy
4.22 kWh/m²
Travel score
5.9
out of 10

Sertolovo is town in Vsevolozhsky District, Leningrad Oblast, Russia.

Density
1,587/km²
people per km²
Founded
1936

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 22°C in the first days to 18°C by the end.

A typical August day in Sertolovo reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82212
92112
102112
112112
122112
132112
142112
152112
162012
172012
182011
192011
202011
212011
222011
231911
241911
251911
261910
271910
281910
291810
301810
311810

How August really feels in Sertolovo

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.

Sertolovo 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-4° / -9°4311.211.76.40.0
Feb-4° / -9°359.29.28.60.0
Mar / -6°379.47.911.30.0
Apr / -0°42103.714.21.7
May15° / 5610.10.316.84.7
Jun20° / 10°7712.5018.45.8
Jul22° / 13°8312.7017.76.2
Aug20° / 12°8212.6015.45.9
Sep15° / 6011.7012.64.1
Oct / 59121.79.71.1
Nov / -2°5511.46.87.10.0
Dec-2° / -6°5112.410.95.60.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44060
54060
64060
73961
83961
93862
103862
113763
123763
133763
143763
153664
163664
173664
183664
193565
203565
213565
223565
233466
243466
253466
263367
273367
283367
293268
303268
313169

Chance of precipitation in August

Any precipitation

Sertolovo gets around 82 mm of rain over 12.6 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 41% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
441
541
641
741
841
941
1040
1140
1240
1340
1440
1540
1640
1740
1840
1941
2041
2141
2241
2341
2441
2541
2641
2741
2841
2940
3040
3140

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 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14440143
24540132
34640122
44739112
54939111
65039101
7513991
8523891
9533881
10543781
11563770
12573670
13573670
14593560
15593560
16603460
17613450
18623350
19623350
20643240
21653140
22663040
23682930
24692830
25702730
26712630
27732430
28742330
29762220
30772120
31791920

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 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
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 h 42 min at the start of August to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 162 minutes over August. Sunrise moves from 4:45 AM to 5:58 AM, and sunset from 9:25 PM to 8:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.74:459:25
216.64:489:23
316.54:509:20
416.44:529:18
516.34:559:15
616.34:579:13
716.24:599:10
816.15:029:07
916.05:049:05
1015.95:079:02
1115.85:098:59
1215.75:128:56
1315.75:148:54
1415.65:178:51
1515.55:198:48
1615.45:218:45
1715.35:248:42
1815.25:268:39
1915.15:298:36
2015.05:318:33
2114.95:348:31
2214.95:368:28
2314.85:398:25
2414.75:418:22
2514.65:448:19
2614.55:468:15
2714.45:498:12
2814.35:518:09
2914.25:538:06
3014.15:568:03
3114.05:588:00

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.22 kWh/m².

For context, solar energy here swings from a low near 0.15 kWh/m² to a high of 5.84 kWh/m² in June across the year — August's 4.22 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
313.4Moderate
Planning a trip in August

Is August a good time to visit Sertolovo?

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

5.9
Sightseeing
2nd-best month of the year
3.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Sertolovo for sightseeing.

What to pack for Sertolovo in August

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

In August, Sertolovo sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Sertolovo in August

The nearest coast averages about 18°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in July at about 18°C and coldest in February near -0°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
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May8Bracing
Jun14Bracing
Jul18Cool
Aug18Cool
Sep15Bracing
Oct10Bracing
Nov6Bracing
Dec2Bracing

UV index in Sertolovo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sertolovo peaks around July 13 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 17 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 5Dec 17UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5Moderate
Jul6High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low

Air quality in Sertolovo 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 Sertolovo is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1719 µg/m³Nov 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar17Moderate
Apr20Moderate
May17Moderate
Jun15Moderate
Jul16Moderate
Aug16Moderate
Sep15Moderate
Oct12Good
Nov10Good
Dec11Good
Location & terrain

Where is Sertolovo?

Sertolovo sits at 60.1°N, 30.2°E, 48 m above sea level, in Russia. The nearest listed city is Parnas, 12 km away.

Topography around Sertolovo

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

Within 3 km, the terrain around Sertolovo has only modest variations in elevation — a maximum elevation change of 74 m around an average of 51 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 148 m; within 80 km, only modest variations in elevation — a maximum elevation change of 233 m.

The land around Sertolovo is covered by trees (67%) within 3 km, trees (71%) within 16 km, and trees (55%) and water (30%) within 80 km.

3 km
74 m
16 km
148 m
80 km
233 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Parnas 12 km · Ozerki 13 km · Kolomyagi 14 km · Sestroretsk 14 km · Untolovo 15 km · Komendantsky aerodrom 16 km · Sosnovka 16 km · Kurortnyy 16 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Sertolovo (60.1444°, 30.2017°, elevation 48 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. 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).