Usol’ye-Sibirskoye weather in April

In April, Usol’ye-Sibirskoye sees average daytime highs of 10°C and overnight lows near -3°C, with 20 mm of precipitation across 5.5 wet days and about 13.6 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 6°C in the first days to 13°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 36 min at the start of April to 14 h 36 min by month's end. Set against the rest of the year, April is Usol’ye-Sibirskoye's 8th-clearest and 2nd-windiest month. For the whole year in context, see Usol’ye-Sibirskoye's year-round climate.

Daytime high
10°
6th warmest
Overnight low
-3°
7th coldest
Precipitation
20 mm
5.5 wet days
Daylight
13 h 42 min
6:16 AM – 7:55 PM
Cloud cover
65%
8th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.13 kWh/m²
Travel score
2.3
out of 10

Usol’ye-Sibirskoye is town in Russia.

Density
1,161/km²
people per km²
Founded
1669

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 6°C in the first days to 13°C by the end.

A typical April day in Usol’ye-Sibirskoye reaches about 10°C in the afternoon and slips back to -3°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 18°C. Set against its neighbours, April runs about 10°C warmer than March and about 8°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
16-7
26-6
36-6
46-6
57-5
67-5
77-5
88-5
98-4
108-4
118-4
129-4
139-3
149-3
1510-3
1610-3
1710-2
1810-2
1911-2
2011-2
2111-2
2212-1
2312-1
2412-1
2512-1
2613-1
27130
28130
29140
30140

How April really feels in Usol’ye-Sibirskoye

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
4 feel bitter (≤ -10°C)

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

Usol’ye-Sibirskoye weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-16° / -25°41.22.57.90.0
Feb-10° / -22°41.52.79.50.0
Mar-1° / -14°93411.50.0
Apr10° / -3°205.53.113.62.3
May18° / 348.40.815.55.8
Jun24° / 11°6310.4016.56.7
Jul25° / 14°8812.4016.16.4
Aug22° / 12°8611.2014.56.5
Sep15° / 5310.30.412.44.7
Oct / -4°185.42.910.31.0
Nov-6° / -14°113.64.88.50.0
Dec-14° / -23°93.14.77.50.0

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 16% of April, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24159
34060
44060
53961
63961
73862
83961
93763
103763
113664
123664
133664
143664
153664
163565
173565
183565
193664
203664
213664
223664
233664
243664
253763
263763
273763
283763
293862
303862

Chance of precipitation in April

Any precipitationSnow

Usol’ye-Sibirskoye gets around 20 mm of rain and snow over 5.5 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 18% and peaks near 22% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
11412
21412
31412
41412
51511
61511
71511
81611
91611
101610
111710
121710
131710
141710
151810
161810
171810
181910
191910
202010
212010
222010
232110
242110
252110
26219
27219
28218
29228
30227

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 11 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over April. Sunrise moves from 6:52 AM to 5:45 AM, and sunset from 7:29 PM to 8:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:527:29
212.76:497:30
312.86:477:32
412.86:447:34
512.96:427:36
613.06:397:38
713.06:377:39
813.16:357:41
913.26:327:43
1013.26:307:45
1113.36:277:47
1213.46:257:48
1313.56:237:50
1413.56:207:52
1513.66:187:54
1613.76:167:55
1713.76:137:57
1813.86:117:59
1913.96:098:01
2013.96:078:03
2114.06:048:04
2214.16:028:06
2314.16:008:08
2414.25:588:10
2514.35:568:12
2614.35:538:13
2714.45:518:15
2814.55:498:17
2914.55:478:19
3014.65:458:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.13 kWh/m².

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 6.11 kWh/m² in June across the year — April's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
Planning a trip in April

Is April a good time to visit Usol’ye-Sibirskoye?

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

2.3
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 Usol’ye-Sibirskoye.

What to pack for Usol’ye-Sibirskoye in April

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

In April, Usol’ye-Sibirskoye sees daytime highs around 10°C and nights near -3°C. Pack a warm layer. Worth having: sun protection. About 6 days see rain.

a warm layersun protection

UV index in Usol’ye-Sibirskoye in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Usol’ye-Sibirskoye peaks around July 12 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Usol’ye-Sibirskoye 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 Usol’ye-Sibirskoye is worst in May — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMay 1617 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar11Good
Apr14Moderate
May17Moderate
Jun14Moderate
Jul17Moderate
Aug14Moderate
Sep9Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Usol’ye-Sibirskoye?

Usol’ye-Sibirskoye sits at 52.8°N, 103.6°E, 435 m above sea level, in Russia. The nearest listed city is Angarsk, 28 km away.

Topography around Usol’ye-Sibirskoye

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Usol’ye-Sibirskoye.

Within 3 km, the terrain around Usol’ye-Sibirskoye has only modest variations in elevation — a maximum elevation change of 91 m around an average of 438 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, large variations in elevation — a maximum elevation change of 1,029 m.

The land around Usol’ye-Sibirskoye is covered by trees (40%), artificial surfaces (33%) and grassland (20%) within 3 km, trees (53%) and grassland (28%) within 16 km, and trees (60%) and grassland (22%) within 80 km.

3 km
91 m
16 km
213 m
80 km
1,029 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Angarsk 28 km · Cheremkhovo 58 km · Irkutsk 67 km · Shelekhov 67 km · Markova 72 km · Slyudyanka 121 km · Baykal’sk 142 km · Zima 168 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 Usol’ye-Sibirskoye (52.7519°, 103.6453°, elevation 435 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).