Sumy weather in March

In March, Sumy sees average daytime highs of 4°C and overnight lows near -3°C, with 42 mm of precipitation across 9.7 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 2°C in the first days to 8°C by the end. The sky is clear or mostly clear about 16% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Sumy's 8th-clearest and 2nd-windiest month. For the whole year in context, see Sumy's year-round climate.

Daytime high
8th warmest
Overnight low
-3°
4th coldest
Precipitation
42 mm
9.7 wet days
Daylight
11 h 30 min
6:05 AM – 5:36 PM
Cloud cover
74%
8th clearest
Wind
16 km/h
2nd windiest
Solar energy
2.95 kWh/m²
Travel score
0.3
out of 10

Sumy is city and capital of Sumy Oblast in north-eastern Ukraine.

Density
1,769/km²
people per km²
Founded
1652

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 2°C in the first days to 8°C by the end.

A typical March day in Sumy reaches about 4°C in the afternoon and slips back to -3°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 11°C. Set against its neighbours, March runs about 6°C warmer than February and about 9°C cooler than April.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
11-5
21-5
32-4
42-4
52-4
62-4
73-4
83-4
93-4
103-3
113-3
123-3
134-3
144-3
154-3
164-3
174-3
185-2
195-2
205-2
215-2
225-2
236-2
246-2
256-1
267-1
277-1
287-1
2980
3080
3180

How March really feels in Sumy

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 31 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
31
3 feel bitter (≤ -10°C)

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

Sumy weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -7°429.99.18.20.0
Feb-2° / -7°358.97.39.70.0
Mar / -3°429.75.611.50.3
Apr13° / 439.40.813.53.8
May20° / 10°6211.3015.36.2
Jun24° / 14°6711016.26.8
Jul26° / 15°7311.2015.86.7
Aug25° / 14°477.6014.37.3
Sep19° / 518.2012.46.2
Oct11° / 508.80.810.42.9
Nov / -1°418.13.28.70.1
Dec-1° / -6°419.27.47.80.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
31981
42179
52179
62278
72377
82575
92674
102674
112872
122872
132971
142971
152971
163070
173070
183070
193169
203169
213268
223268
233268
243268
253268
263367
273367
283268
293367
303367
313367

Chance of precipitation in March

Any precipitationSnow

Sumy gets around 42 mm of rain and snow over 9.7 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 33% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13323
23322
33222
43222
53221
63221
73121
83121
93120
103120
113120
123120
133220
143220
153220
163220
173219
183319
193219
203218
213218
223217
233216
243115
253114
263013
273012
282911
292911
302910
31299

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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%151015202531
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
31100

Wind in March

Winds average 16 km/h in March.

Across March, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 30 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 120 minutes over March. Sunrise moves from 6:38 AM to 5:30 AM, and sunset from 5:10 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.56:385:10
210.66:365:12
310.76:345:14
410.76:315:16
510.86:295:17
610.96:275:19
710.96:255:21
811.06:235:22
911.16:215:24
1011.16:185:26
1111.26:165:28
1211.36:145:29
1311.36:125:31
1411.46:095:33
1511.56:075:34
1611.56:055:36
1711.66:035:38
1811.76:005:39
1911.75:585:41
2011.85:565:43
2111.95:535:44
2211.95:515:46
2312.05:495:48
2412.05:475:50
2512.15:445:51
2612.25:425:53
2712.25:405:55
2812.35:375:56
2912.45:355:58
3012.45:335:59
3112.55:306:01

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 2.95 kWh/m².

For context, solar energy here swings from a low near 0.58 kWh/m² to a high of 5.89 kWh/m² in June across the year — March's 2.95 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.2Moderate
22.2Moderate
32.3Moderate
42.3Moderate
52.4Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.6Moderate
102.6Moderate
112.7Moderate
122.8Moderate
132.8Moderate
142.9Moderate
152.9Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.3Moderate
233.3Moderate
243.4Moderate
253.4Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in March

Is March a good time to visit Sumy?

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

0.3
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Sumy.

What to pack for Sumy in March

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

In March, Sumy sees daytime highs around 4°C and nights near -3°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Sumy in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sumy peaks around June 23 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr5Moderate
May4Moderate
Jun7High
Jul7High
Aug5High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Sumy?

Sumy sits at 50.9°N, 34.8°E, 171 m above sea level, in Ukraine. The nearest listed city is Kovpakivskyi, 1.0 km away.

Hadyach

Topography around Sumy

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

Within 3 km, the terrain around Sumy has only modest variations in elevation — a maximum elevation change of 53 m around an average of 142 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.

The land around Sumy is covered by artificial surfaces (53%) and trees (38%) within 3 km, cropland (40%) and trees (34%) within 16 km, and cropland (62%) and trees (23%) within 80 km.

3 km
53 m
16 km
144 m
80 km
180 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Kovpakivskyi 1.0 km · Zarichnyi 2.0 km · Bilopillia 43 km · Lebedyn 43 km · Trostyanets 50 km · Okhtyrka 68 km · Ryl’sk 73 km · Hadyach 83 km

Ukraine travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$5,866
2025
Happiness
4.7 / 10
World Happiness, 2025
Safe drinking water
88%
of population, 2024
Homicide rate
3.8
per 100k, 2021
Road deaths
10.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 526

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 Sumy (50.9174°, 34.7991°, elevation 171 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).