Lyman weather in May

In May, Lyman sees average daytime highs of 21°C and overnight lows near 11°C, with 51 mm of rain across 9.5 wet days and about 15 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 23°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Lyman's 5th-clearest and 9th-windiest month. For the whole year in context, see Lyman's year-round climate.

Daytime high
21°
4th warmest
Overnight low
11°
9th coldest
Rainfall
51 mm
9.5 wet days
Daylight
15 h 06 min
3:53 AM – 6:57 PM
Cloud cover
57%
5th clearest
Wind
12 km/h
9th windiest
Solar energy
5.55 kWh/m²
Travel score
6.7
out of 10

Lyman is city in Donetsk Oblast, Ukraine.

Density
1,103/km²
people per km²
Founded
1667

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 19°C in the first days to 23°C by the end.

A typical May day in Lyman reaches about 21°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, May runs about 7°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1198
2198
3198
4199
5209
6209
7209
8209
92010
102110
112110
122110
132110
142110
152111
162211
172211
182211
192211
202212
212212
222212
232312
242312
252312
262312
272313
282313
292313
302413
312413

How May really feels in Lyman

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.

Lyman 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-2° / -7°419.27.68.50.0
Feb-0° / -6°357.86.19.80.0
Mar / -2°419.74.311.60.6
Apr15° / 439.40.513.44.4
May21° / 11°519.50156.7
Jun26° / 15°5610.4015.96.7
Jul28° / 17°498.7015.66.5
Aug27° / 15°365.9014.27.1
Sep21° / 10°427.1012.47.0
Oct13° / 407.40.510.53.9
Nov / -1°377.22.58.90.4
Dec-0° / -5°438.75.78.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54852
64951
74852
84951
94951
104852
114951
124951
134951
144951
154951
164951
175050
185050
195050
205050
215050
224951
234951
245050
255050
264951
274951
284951
295050
305149
315149

Chance of precipitation in May

Any precipitation

Lyman gets around 51 mm of rain over 9.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
427
527
627
728
828
929
1029
1129
1230
1330
1431
1531
1631
1731
1831
1931
2031
2131
2232
2332
2433
2533
2633
2733
2833
2933
3032
3132

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29820
39820
49820
59730
69640
79550
89460
99370
109280
119190
1290100
1389110
1488120
1587130
1686140
1784151
1883161
1982171
2081181
2180191
2278202
2378202
2476213
2576213
2675214
2775214
2875214
2974215
3073225
3173225

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 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
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:17 AM to 3:37 AM, and sunset from 6:35 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:176:35
214.44:156:37
314.44:136:38
414.54:126:40
514.54:106:41
614.64:086:43
714.64:076:44
814.74:056:45
914.74:036:47
1014.84:026:48
1114.84:006:50
1214.93:596:51
1314.93:576:53
1415.03:566:54
1515.03:556:55
1615.13:536:57
1715.13:526:58
1815.13:516:59
1915.23:497:01
2015.23:487:02
2115.33:477:03
2215.33:467:05
2315.43:457:06
2415.43:447:07
2515.43:437:08
2615.53:427:10
2715.53:417:11
2815.53:407:12
2915.63:397:13
3015.63:387:14
3115.63:377:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.55 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 6.04 kWh/m² in June across the year — May's 5.55 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Lyman?

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

6.7
Sightseeing
3rd-best month of the year
4.3
Beach & pool
4th-best month of the year

May is a reasonable time to visit Lyman for sightseeing.

What to pack for Lyman in May

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

In May, Lyman sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Lyman 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 Lyman peaks around June 20 at about 8 (very 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJun 20UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May5Moderate
Jun8Very high
Jul7Very high
Aug5High
Sep5High
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Lyman in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Lyman is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodMar 1716 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar17Moderate
Apr11Good
May10Good
Jun11Good
Jul16Moderate
Aug14Moderate
Sep10Good
Oct9Good
Nov9Good
Dec8Good
Location & terrain

Where is Lyman?

Lyman sits at 49.0°N, 37.8°E, 110 m above sea level, in Ukraine. The nearest listed city is Slovyansk, 22 km away.

Topography around Lyman

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

Within 3 km, the terrain around Lyman has only modest variations in elevation — a maximum elevation change of 41 m around an average of 107 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 168 m; within 80 km, significant variations in elevation — a maximum elevation change of 327 m.

The land around Lyman is covered by cropland (39%), trees (30%) and artificial surfaces (20%) within 3 km, trees (44%) and cropland (32%) within 16 km, and cropland (58%) and trees (22%) within 80 km.

3 km
41 m
16 km
168 m
80 km
327 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Slovyansk 22 km · Kreminna 30 km · Sotsmisto 32 km · Sonyachnyi 33 km · Kramatorsk 34 km · Rubizhne 42 km · Lysychansk 46 km · Izyum 46 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 Lyman (48.9901°, 37.8084°, elevation 110 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).