Odessa weather in May

In May, Odessa sees average daytime highs of 21°C and overnight lows near 12°C, with 37 mm of rain across 7.5 wet days and about 14.8 hours of daylight. It is the 5th-warmest and 3rd-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 41% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Odessa's 5th-clearest and 9th-windiest month. For the whole year in context, see Odessa's year-round climate.

Daytime high
21°
5th warmest
Overnight low
12°
8th coldest
Rainfall
37 mm
7.5 wet days
Daylight
14 h 48 min
4:30 AM – 7:17 PM
Cloud cover
50%
5th clearest
Wind
13 km/h
9th windiest
Solar energy
6 kWh/m²
Travel score
7.1
out of 10

Odessa is city in southwestern Ukraine, administrative center of Odesa Oblast and Odesa Raion.

Density
4,266/km²
people per km²
Founded
1500

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 Odessa reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1189
21910
31910
41910
51910
62010
72010
82011
92011
102011
112011
122111
132112
142112
152112
162112
172212
182212
192213
202213
212213
222213
232213
242314
252314
262314
272314
282314
292314
302315
312415

How May really feels in Odessa

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.

Odessa weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°346.13.38.80.0
Feb / -2°285.52.7100.0
Mar / 327.41.811.61.4
Apr15° / 3170.213.34.7
May21° / 12°377.5014.87.1
Jun26° / 17°447.9015.57.2
Jul29° / 19°335.5015.26.6
Aug28° / 18°364.60146.9
Sep22° / 14°385.9012.47.5
Oct16° / 365010.75.4
Nov / 325.80.89.21.9
Dec / -1°305.91.98.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% 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 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46238
56139
66139
76040
86040
96040
106040
115941
125941
135941
145941
155941
165941
176040
186040
196040
206040
216040
226040
236040
246040
256040
265941
275941
286040
296040
305941
315941

Chance of precipitation in May

Any precipitation

Odessa gets around 37 mm of rain over 7.5 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 24% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
119
220
320
421
521
621
722
822
922
1022
1122
1222
1322
1422
1522
1622
1723
1823
1923
2024
2125
2225
2326
2426
2527
2627
2728
2828
2928
3028
3128

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197300
297300
396400
496400
595500
694600
794600
893700
992800
1090910
11881110
12871210
13861310
14831520
15821620
16791830
17781930
18752140
19742240
20722350
21712450
22692560
23672670
24662770
25642880
26622990
27622990
286029101
295930101
305830111
315830111

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 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
313light breeze
413light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light 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 06 min at the start of May to 15 h 18 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 4:51 AM to 4:15 AM, and sunset from 6:57 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:516:57
214.24:496:59
314.24:487:00
414.34:467:01
514.34:457:03
614.34:437:04
714.44:427:05
814.44:407:07
914.54:397:08
1014.54:377:09
1114.64:367:11
1214.64:357:12
1314.74:337:13
1414.74:327:14
1514.74:317:16
1614.84:307:17
1714.84:287:18
1814.94:277:19
1914.94:267:21
2014.94:257:22
2115.04:247:23
2215.04:237:24
2315.14:227:25
2415.14:217:26
2515.14:207:27
2615.24:197:28
2715.24:187:30
2815.24:177:31
2915.24:177:32
3015.34:167:33
3115.34:157:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6 kWh/m².

For context, solar energy here swings from a low near 0.96 kWh/m² to a high of 6.38 kWh/m² in June across the year — May's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.2Intense
316.2Intense
Planning a trip in May

Is May a good time to visit Odessa?

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

7.1
Sightseeing
3rd-best month of the year
4.4
Beach & pool
5th-best month of the year

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

What to pack for Odessa in May

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

In May, Odessa sees daytime highs around 21°C and nights near 12°C. Pack sun protection. About 8 days see rain.

sun protection

Sea temperature near Odessa in May

The nearest coast averages about 15°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 16 km away) is warmest in August at about 24°C and coldest in February near 4°C.

It's comfortable for a long swim from Jun 14 to Sep 17 — about 3.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar5Bracing
Apr9Bracing
May15Cool
Jun21Refreshing
Jul23Refreshing
Aug24Refreshing
Sep20Refreshing
Oct16Cool
Nov12Bracing
Dec8Bracing

UV index in Odessa 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 Odessa peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 15UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May5High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Odessa?

Odessa sits at 46.5°N, 30.7°E, 50 m above sea level, in Ukraine. The nearest listed city is Cheremushky, 6.0 km away.

SloboziaTiraspolCăuşeni

Topography around Odessa

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

Within 3 km, the terrain around Odessa has only modest variations in elevation — a maximum elevation change of 70 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, only modest variations in elevation — a maximum elevation change of 181 m.

The land around Odessa is covered by artificial surfaces (46%) and water (40%) within 3 km, water (45%) within 16 km, and cropland (50%) and water (34%) within 80 km.

3 km
70 m
16 km
90 m
80 km
181 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Cheremushky 6.0 km · Chornomors’k 22 km · Pivdenne 31 km · Bilhorod-Dnistrovskyi 44 km · Rozdilna 66 km · Slobozia 84 km · Tiraspol 94 km · Căuşeni 103 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 Odessa (46.4857°, 30.7438°, elevation 50 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).