Sertolovo weather in July

In July, Sertolovo sees average daytime highs of 22°C and overnight lows near 13°C, with 83 mm of rain across 12.7 wet days and about 17.7 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 20% of the time in July, and the air most often feels dry.

Daylight stretches from about 18 h 24 min at the start of July to 16 h 42 min by month's end. Set against the rest of the year, July is Sertolovo's 3rd-clearest and 12th-windiest month. For the whole year in context, see Sertolovo's year-round climate.

Daytime high
22°
1st warmest
Overnight low
13°
12th coldest
Rainfall
83 mm
12.7 wet days
Daylight
17 h 48 min
4:11 AM – 9:59 PM
Cloud cover
65%
3rd clearest
Wind
11 km/h
12th windiest
Solar energy
5.49 kWh/m²
Travel score
6.2
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical July day in Sertolovo reaches about 22°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 17°C and 28°C. Set against its neighbours, July runs about 3°C warmer than June and about 2°C warmer than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52212
62212
72212
82212
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292313
302213
312213

How July really feels in Sertolovo

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.

Sertolovo 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-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44159
54159
64159
74060
83961
94159
104060
114060
123862
133862
143763
153763
163862
173862
183862
193763
203862
213862
223961
234060
243961
254159
264159
274159
284258
294258
304258
314258

Chance of precipitation in July

Any precipitation

Sertolovo gets around 83 mm of rain over 12.7 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 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
340
440
539
639
739
839
939
1039
1139
1239
1339
1439
1540
1640
1741
1841
1941
2042
2142
2242
2342
2442
2542
2642
2742
2841
2941
3041
3141

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

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1702271
2692371
3682471
4672571
5652771
6642871
7632971
8613171
9593272
10573382
11563482
12553582
13533593
14523693
155136103
164936113
174837124
184737124
194637134
204537144
214437154
224337154
234237164
244237164
254238164
264238174
274238164
284238164
294239163
304239153
314339153

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 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
2510calm
2610calm
2710calm
2810calm
2910calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 18 h 24 min at the start of July to 16 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over July. Sunrise moves from 3:49 AM to 4:43 AM, and sunset from 10:16 PM to 9:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
118.43:4910:16
218.43:5010:15
318.43:5110:14
418.43:5310:14
518.33:5410:13
618.33:5510:12
718.23:5610:11
818.23:5810:10
918.23:5910:09
1018.14:0110:07
1118.14:0210:06
1218.04:0410:05
1318.04:0610:03
1417.94:0710:02
1517.94:0910:00
1617.84:119:59
1717.74:139:57
1817.74:159:55
1917.64:179:53
2017.54:199:52
2117.54:219:50
2217.44:239:48
2317.34:259:46
2417.34:279:44
2517.24:299:41
2617.14:329:39
2717.14:349:37
2817.04:369:35
2916.94:389:32
3016.84:419:30
3116.74:439:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.49 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 — July's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in July

Is July a good time to visit Sertolovo?

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

6.2
Sightseeing
1st-best month of the year
4.3
Beach & pool
1st-best month of the year

July is a reasonable time to visit Sertolovo for sightseeing.

What to pack for Sertolovo in July

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

In July, Sertolovo sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Sertolovo in July

The nearest coast averages about 18°C in July — 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 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 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 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 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
July 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).