Slonim weather in April

In April, Slonim sees average daytime highs of 13°C and overnight lows near 3°C, with 47 mm of precipitation across 9.7 wet days and about 13.6 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 16°C by the end. The sky is clear or mostly clear about 24% 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 Slonim's 5th-clearest and 7th-windiest month. For the whole year in context, see Slonim's year-round climate.

Daytime high
13°
6th warmest
Overnight low
6th coldest
Precipitation
47 mm
9.7 wet days
Daylight
13 h 42 min
6:28 AM – 8:09 PM
Cloud cover
65%
5th clearest
Wind
14 km/h
7th windiest
Solar energy
4.19 kWh/m²
Travel score
3.5
out of 10

Slonim is city in Belarus.

Density
1,063/km²
people per km²
Founded
1252

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 10°C in the first days to 16°C by the end.

A typical April day in Slonim reaches about 13°C in the afternoon and slips back to 3°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 19°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
190
291
3101
4101
5101
6101
7112
8112
9112
10112
11112
12123
13123
14123
15123
16133
17133
18134
19144
20144
21144
22144
23154
24155
25155
26165
27165
28165
29166
30176

How April really feels in Slonim

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 17 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
17
wind chill below the day's low

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

Slonim weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°3710.17.57.90.0
Feb / -5°359.679.50.0
Mar / -2°4010.44.411.50.4
Apr13° / 479.71.213.63.5
May19° / 7312.40.115.55.6
Jun22° / 12°7112016.66.2
Jul24° / 14°8912.9016.26.4
Aug23° / 13°6310.4014.56.7
Sep18° / 589.7012.45.5
Oct11° / 499.40.710.32.7
Nov / 439.63.78.40.2
Dec / -4°4410.16.67.40.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43169
53070
63070
73070
83070
93169
103070
113070
123268
133268
143367
153466
163664
173763
183862
194159
204159
214456
224456
234456
244555
254753
264753
274753
284753
294852
304852

Chance of precipitation in April

Any precipitationSnow

Slonim gets around 47 mm of rain and snow over 9.7 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 32% and peaks near 34% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1318
2328
3328
4338
5337
6337
7347
8347
9346
10346
11345
12345
13334
14334
15333
16323
17313
18312
19312
20312
21301
22301
23301
24311
25311
26311
27321
28321
29331
30341

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 14 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 7:05 AM to 5:57 AM, and sunset from 7:42 PM to 8:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.67:057:42
212.77:027:44
312.87:007:46
412.86:577:48
512.96:557:49
613.06:527:51
713.16:507:53
813.16:487:55
913.26:457:57
1013.36:437:59
1113.36:408:00
1213.46:388:02
1313.56:368:04
1413.56:338:06
1513.66:318:08
1613.76:288:09
1713.86:268:11
1813.86:248:13
1913.96:228:15
2014.06:198:17
2114.06:178:18
2214.16:158:20
2314.26:138:22
2414.26:108:24
2514.36:088:26
2614.46:068:28
2714.46:048:29
2814.56:028:31
2914.66:008:33
3014.65:578:35

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.19 kWh/m².

For context, solar energy here swings from a low near 0.48 kWh/m² to a high of 5.56 kWh/m² in June across the year — April's 4.19 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.9Moderate
124.0Moderate
134.0Bright
144.1Bright
154.1Bright
164.2Bright
174.3Bright
184.3Bright
194.4Bright
204.5Bright
214.5Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Is April a good time to visit Slonim?

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

3.5
Sightseeing
6th-best month of the year
0.2
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Slonim.

What to pack for Slonim in April

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

In April, Slonim sees daytime highs around 13°C and nights near 3°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Slonim 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 Slonim peaks around June 23 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 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 6Dec 18UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Slonim?

Slonim sits at 53.1°N, 25.3°E, 149 m above sea level, in Belarus. The nearest listed city is Ivatsevichi, 42 km away.

IvatsevichiBaranovichiVaukavyskNovogrudokByarozaShchuchynPruzhanyMir

Topography around Slonim

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

Within 3 km, the terrain around Slonim has only modest variations in elevation — a maximum elevation change of 78 m around an average of 149 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 108 m; within 80 km, only modest variations in elevation — a maximum elevation change of 229 m.

The land around Slonim is covered by grassland (31%), trees (28%) and artificial surfaces (28%) within 3 km, trees (47%) and cropland (34%) within 16 km, and trees (44%) and cropland (38%) within 80 km.

3 km
78 m
16 km
108 m
80 km
229 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Ivatsevichi 42 km · Baranovichi 46 km · Vaukavysk 58 km · Novogrudok 65 km · Byaroza 66 km · Shchuchyn 69 km · Pruzhany 83 km · Mir 87 km

Belarus travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 30% of US
price level, 2025
GDP per capita
$10,279
2025
Happiness
5.8 / 10
World Happiness, 2021
Safe drinking water
93%
of population, 2024
Homicide rate
2.4
per 100k, 2019
Road deaths
7.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 533
Religion
Orthodox 48%non-believers 41%Catholic 7%other 4%

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 Slonim (53.0875°, 25.3171°, elevation 149 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).