Sertolovo weather in April

In April, Sertolovo sees average daytime highs of 9°C and overnight lows near -0°C, with 42 mm of precipitation across 10 wet days and about 14.2 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 12°C by the end. The sky is clear or mostly clear about 22% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of April to 15 h 30 min by month's end. Set against the rest of the year, April is Sertolovo's 5th-clearest and 8th-windiest month. For the whole year in context, see Sertolovo's year-round climate.

Daytime high
6th warmest
Overnight low
-0°
6th coldest
Precipitation
42 mm
10 wet days
Daylight
14 h 12 min
5:53 AM – 8:06 PM
Cloud cover
68%
5th clearest
Wind
12 km/h
8th windiest
Solar energy
3.94 kWh/m²
Travel score
1.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 12°C by the end.

A typical April day in Sertolovo reaches about 9°C in the afternoon and slips back to -0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 16°C. Set against its neighbours, April runs about 7°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
15-3
25-3
35-3
46-3
56-2
66-2
77-2
87-2
97-1
107-1
118-1
128-1
138-1
148-1
1590
1690
1790
1890
19100
20101
21101
22101
23111
24111
25112
26122
27122
28122
29122
30122

How April really feels in Sertolovo

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Sertolovo weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 10th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43268
53268
63268
73268
83268
93169
103169
113070
123169
133169
143268
153268
163367
173466
183565
193565
203664
213664
223763
233763
243763
253862
263862
274060
284060
294159
304159

Chance of precipitation in April

Any precipitationSnow

Sertolovo gets around 42 mm of rain and snow over 10 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 36% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13320
23320
33419
43418
53518
63517
73517
83517
93616
103616
113615
123515
133515
143514
153414
163413
173413
183312
193311
203211
213210
22319
23318
24318
25307
26306
27306
28305
29305
30304

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 12 km/h in April.

Across April, 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.

051015151015202530
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
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 48 min at the start of April to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 162 minutes over April. Sunrise moves from 6:39 AM to 5:12 AM, and sunset from 7:28 PM to 8:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:397:28
212.96:367:31
313.06:337:33
413.16:307:36
513.26:277:38
613.36:247:41
713.46:217:43
813.56:177:46
913.66:147:48
1013.76:117:51
1113.86:087:53
1213.86:057:56
1313.96:027:58
1414.05:598:01
1514.15:568:03
1614.25:538:06
1714.35:508:08
1814.45:478:11
1914.55:448:13
2014.65:418:16
2114.75:388:18
2214.85:358:21
2314.95:328:23
2414.95:298:26
2515.05:268:28
2615.15:238:31
2715.25:218:33
2815.35:188:36
2915.45:158:39
3015.55:128:41

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.94 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 — April's 3.94 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.3Moderate
43.3Moderate
53.4Moderate
63.4Moderate
73.5Moderate
83.5Moderate
93.6Moderate
103.6Moderate
113.7Moderate
123.7Moderate
133.8Moderate
143.8Moderate
153.9Moderate
163.9Moderate
174.0Bright
184.1Bright
194.1Bright
204.2Bright
214.3Bright
224.3Bright
234.4Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.8Bright
Planning a trip in April

Is April a good time to visit Sertolovo?

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

1.7
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Sertolovo.

What to pack for Sertolovo in April

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

In April, Sertolovo sees daytime highs around 9°C and nights near -0°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Sertolovo in April

The nearest coast averages about 2°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 3. 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 April

GoodModeratePoorUnhealthyVery unhealthy

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