Slantsy weather in May

In May, Slantsy sees average daytime highs of 16°C and overnight lows near 6°C, with 54 mm of precipitation across 9.9 wet days and about 16.6 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of May to 17 h 36 min by month's end. Set against the rest of the year, May is Slantsy's 1st-clearest and 9th-windiest month. For the whole year in context, see Slantsy's year-round climate.

Daytime high
16°
4th warmest
Overnight low
8th coldest
Precipitation
54 mm
9.9 wet days
Daylight
16 h 36 min
4:46 AM – 9:22 PM
Cloud cover
60%
1st clearest
Wind
12 km/h
9th windiest
Solar energy
5.32 kWh/m²
Travel score
4.9
out of 10

Slantsy is town in Leningrad Oblast, Russia.

Density
1,006/km²
people per km²
Founded
1934

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 14°C in the first days to 18°C by the end.

A typical May day in Slantsy reaches about 16°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 23°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3144
4144
5145
6145
7145
8155
9155
10155
11155
12156
13156
14156
15166
16166
17166
18167
19167
20167
21177
22177
23178
24178
25178
26178
27178
28188
29189
30189
31189

How May really feels in Slantsy

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.

Slantsy weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°4711.511.56.60.0
Feb-2° / -8°389.59.28.80.0
Mar / -4°389.76.511.30.0
Apr / 409.42.414.12.0
May16° / 549.90.116.64.9
Jun19° / 11°8712.70185.7
Jul22° / 14°7512.5017.46.2
Aug21° / 12°8013.2015.25.9
Sep15° / 5611.3012.64.4
Oct / 5912.21.69.81.4
Nov / -1°5311.85.67.40.0
Dec-1° / -5°5212.510.160.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54456
64456
74555
84654
94753
104753
114852
124852
134753
144852
154852
164852
174753
184654
194654
204654
214654
224555
234555
244555
254456
264654
274654
284555
294654
304654
314852

Chance of precipitation in May

Any precipitationSnow

Slantsy gets around 54 mm of rain and snow over 9.9 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 32% and peaks near 35% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1272
2271
3271
4271
5281
6281
7280
8290
9290
10300
11310
12310
13320
14320
15330
16330
17340
18340
19350
20350
21350
22350
23350
24350
25350
26350
27350
28350
29350
30350
31350

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
69910
79910
89910
99910
109820
119820
129820
139730
149631
159631
169541
179541
189541
199541
209451
219451
229352
239352
249352
259352
269352
279253
289253
299253
309253
319064

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 15 h 24 min at the start of May to 17 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 132 minutes over May. Sunrise moves from 5:22 AM to 4:18 AM, and sunset from 8:47 PM to 9:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.45:228:47
215.55:208:50
315.65:178:52
415.75:158:54
515.75:128:57
615.85:098:59
715.95:079:01
816.05:049:04
916.15:029:06
1016.15:009:08
1116.24:579:11
1216.34:559:13
1316.44:539:15
1416.54:509:18
1516.54:489:20
1616.64:469:22
1716.74:449:24
1816.74:429:26
1916.84:399:29
2016.94:379:31
2117.04:359:33
2217.04:339:35
2317.14:329:37
2417.24:309:39
2517.24:289:41
2617.34:269:43
2717.34:249:45
2817.44:239:47
2917.54:219:48
3017.54:209:50
3117.64:189:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.32 kWh/m².

For context, solar energy here swings from a low near 0.2 kWh/m² to a high of 5.59 kWh/m² in June across the year — May's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Slantsy?

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

4.9
Sightseeing
4th-best month of the year
0.7
Beach & pool
4th-best month of the year

May is a reasonable time to visit Slantsy for sightseeing.

What to pack for Slantsy in May

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

In May, Slantsy sees daytime highs around 16°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Slantsy in May

The nearest coast averages about 7°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 58 km away) is warmest in August 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
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May7Bracing
Jun12Bracing
Jul17Cool
Aug18Cool
Sep15Bracing
Oct11Bracing
Nov7Bracing
Dec4Bracing

UV index in Slantsy in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Slantsy peaks around June 23 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 5Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun5High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov0Low
Dec0Low
Location & terrain

Where is Slantsy?

Slantsy sits at 59.1°N, 28.1°E, 46 m above sea level, in Russia. The nearest listed city is Narva, 29 km away.

Topography around Slantsy

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

Within 3 km, the terrain around Slantsy has only modest variations in elevation — a maximum elevation change of 62 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 116 m; within 80 km, only modest variations in elevation — a maximum elevation change of 185 m.

The land around Slantsy is covered by trees (73%) within 3 km, trees (84%) within 16 km, and trees (60%) and water (26%) within 80 km.

3 km
62 m
16 km
116 m
80 km
185 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Narva 29 km · Kingisepp 41 km · Kohtla-Järve 56 km · Rakvere 102 km · Sosnovyy Bor 104 km · Luga 109 km · Tartu 114 km · Gatchina 126 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 Slantsy (59.1179°, 28.0883°, elevation 46 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).