Reni weather in May

In May, Reni sees average daytime highs of 23°C and overnight lows near 13°C, with 51 mm of rain across 9 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Reni's 5th-clearest and 8th-windiest month. For the whole year in context, see Reni's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
8th coldest
Rainfall
51 mm
9 wet days
Daylight
14 h 42 min
4:43 AM – 7:24 PM
Cloud cover
54%
5th clearest
Wind
11 km/h
8th windiest
Solar energy
5.82 kWh/m²
Travel score
7.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical May day in Reni reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12010
22110
32111
42111
52111
62111
72111
82211
92212
102212
112212
122212
132212
142212
152313
162313
172313
182313
192313
202313
212314
222414
232414
242414
252414
262414
272414
282415
292415
302515
312515

How May really feels in Reni

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.

Reni weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°335.63.38.90.0
Feb / -2°255.22.510.10.2
Mar10° / 376.91.311.62.6
Apr17° / 417.80.213.25.5
May23° / 13°519014.77.0
Jun27° / 17°589015.46.7
Jul29° / 19°417.5015.16.0
Aug29° / 18°345.4013.96.4
Sep24° / 14°385.3012.37.7
Oct17° / 405010.75.9
Nov10° / 345.719.32.4
Dec / -2°376.12.48.60.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35446
45446
55446
65446
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205347
215347
225347
235347
245446
255446
265545
275644
285644
295644
305743
315743

Chance of precipitation in May

Any precipitation

Reni gets around 51 mm of rain over 9 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
326
426
527
627
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2029
2129
2229
2329
2430
2530
2631
2731
2831
2931
3031
3131

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195500
294600
394600
493700
592800
691900
7901000
8891100
9871210
10861310
11851410
12831520
13811630
14791830
15771940
16752050
17742150
18712360
19692470
20672580
21652690
226327100
236128110
246028120
255829130
265730130
275630140
285431150
295232151
305033161
314933171

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:03 AM to 4:29 AM, and sunset from 7:05 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:037:05
214.15:027:06
314.15:007:08
414.24:597:09
514.24:577:10
614.34:567:11
714.34:547:13
814.44:537:14
914.44:517:15
1014.44:507:16
1114.54:497:18
1214.54:477:19
1314.64:467:20
1414.64:457:21
1514.64:447:23
1614.74:437:24
1714.74:417:25
1814.84:407:26
1914.84:397:27
2014.84:387:28
2114.94:377:29
2214.94:367:31
2314.94:357:32
2415.04:347:33
2515.04:337:34
2615.04:337:35
2715.14:327:36
2815.14:317:37
2915.14:307:38
3015.24:307:39
3115.24:297:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.82 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 6.23 kWh/m² in June across the year — May's 5.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Bright
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Reni?

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

7.0
Sightseeing
2nd-best month of the year
5.2
Beach & pool
5th-best month of the year

May is one of the better times to visit Reni for general sightseeing.

What to pack for Reni in May

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

In May, Reni sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Reni 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 Reni peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May5High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Reni?

Reni sits at 45.5°N, 28.3°E, 24 m above sea level, in Ukraine. The nearest listed city is Galaţi, 18 km away.

Tecuci

Topography around Reni

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

Within 3 km, the terrain around Reni has only modest variations in elevation — a maximum elevation change of 82 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 463 m.

The land around Reni is covered by cropland (26%), grassland (24%) and trees (21%) within 3 km, cropland (59%) within 16 km, and cropland (65%) within 80 km.

3 km
82 m
16 km
162 m
80 km
463 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Galaţi 18 km · Brăila 31 km · Bolhrad 36 km · Izmayil 45 km · Cahul 50 km · Tulcea 51 km · Kiliya 77 km · Tecuci 79 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 Reni (45.4542°, 28.2773°, elevation 24 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).