Slonim weather in May

In May, Slonim sees average daytime highs of 19°C and overnight lows near 8°C, with 73 mm of precipitation across 12.4 wet days and about 15.5 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of May to 16 h 18 min by month's end. Set against the rest of the year, May is Slonim's 4th-clearest and 9th-windiest month. For the whole year in context, see Slonim's year-round climate.

Daytime high
19°
4th warmest
Overnight low
8th coldest
Precipitation
73 mm
12.4 wet days
Daylight
15 h 36 min
5:28 AM – 9:02 PM
Cloud cover
63%
4th clearest
Wind
13 km/h
9th windiest
Solar energy
5.18 kWh/m²
Travel score
5.6
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical May day in Slonim reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, May runs about 6°C warmer than April and about 3°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1176
2176
3176
4176
5177
6177
7187
8187
9187
10187
11187
12187
13188
14188
15188
16188
17198
18198
19198
20199
21199
22199
23199
24199
25209
26209
27209
282010
292010
302010
312010

How May really feels in Slonim

Once humidity and wind are folded in, May 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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Slonim weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 2nd-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34654
44654
54555
64555
74555
84357
94357
104258
114258
124258
134159
144159
154159
164060
174060
184159
194258
204258
214258
224357
234456
244555
254555
264654
274654
284753
294753
304852
314852

Chance of precipitation in May

Any precipitation

Slonim gets around 73 mm of rain and snow over 12.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
235
336
437
537
638
739
839
940
1041
1141
1241
1342
1442
1542
1642
1742
1842
1941
2041
2141
2241
2340
2440
2540
2639
2739
2838
2938
3038
3137

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59820
69820
79730
89730
99640
109550
119460
129370
139370
149181
159091
1689101
1789101
1888111
1987112
2086122
2186122
2284133
2384133
2483143
2582144
2682144
2781154
2881154
2980164
3080164
3178175

Wind in May

Winds average 13 km/h in May.

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

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 42 min at the start of May to 16 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 96 minutes over May. Sunrise moves from 5:55 AM to 5:08 AM, and sunset from 8:36 PM to 9:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.75:558:36
214.75:538:38
314.85:518:40
414.95:498:42
514.95:478:44
615.05:458:45
715.15:438:47
815.15:428:49
915.25:408:51
1015.25:388:52
1115.35:368:54
1215.45:348:56
1315.45:338:57
1415.55:318:59
1515.55:299:01
1615.65:289:02
1715.65:269:04
1815.75:259:05
1915.75:239:07
2015.85:229:09
2115.85:209:10
2215.95:199:12
2315.95:179:13
2416.05:169:15
2516.05:159:16
2616.15:149:17
2716.15:129:19
2816.15:119:20
2916.25:109:22
3016.25:099:23
3116.35:089:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 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 — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Slonim?

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

5.6
Sightseeing
4th-best month of the year
2.2
Beach & pool
4th-best month of the year

May is a reasonable time to visit Slonim for sightseeing.

What to pack for Slonim in May

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

In May, Slonim sees daytime highs around 19°C and nights near 8°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Slonim in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — 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
May 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).