Mykolayiv weather in December

In December, Mykolayiv sees average daytime highs of 3°C and overnight lows near -2°C, with 32 mm of precipitation across 6.4 wet days and about 8.4 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 2°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of December to 8 h 24 min by month's end. Set against the rest of the year, December is Mykolayiv's 12th-clearest and 3rd-windiest month. For the whole year in context, see Mykolayiv's year-round climate.

Daytime high
10th warmest
Overnight low
-2°
3rd coldest
Precipitation
32 mm
6.4 wet days
Daylight
8 h 18 min
7:38 AM – 3:58 PM
Cloud cover
80%
12th clearest
Wind
14 km/h
3rd windiest
Solar energy
0.9 kWh/m²
Travel score
0.0
out of 10

Mykolayiv is capital city of Mykolaiv Oblast in southern Ukraine.

Density
1,858/km²
people per km²
Founded
1789

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 4°C in the first days to 2°C by the end.

A typical December day in Mykolayiv reaches about 3°C in the afternoon and slips back to -2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 9°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
140
24-1
34-1
44-1
54-1
64-1
74-1
83-1
93-1
103-2
113-2
123-2
133-2
143-2
153-2
162-2
172-2
182-3
192-3
202-3
212-3
222-3
232-3
242-3
252-3
262-3
272-3
282-3
292-3
302-3
311-3

How December really feels in Mykolayiv

Once humidity and wind are folded in, December 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
wind chill below the day's low

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

Mykolayiv weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°336.63.98.70.0
Feb / -4°296.12.7100.0
Mar / 337.71.911.61.4
Apr15° / 3470.313.35.0
May22° / 12°449.1014.87.0
Jun26° / 16°539015.66.9
Jul29° / 18°346.6015.36.2
Aug29° / 17°375.30146.5
Sep23° / 12°425.8012.47.5
Oct15° / 305.2010.65.2
Nov / 336.119.11.4
Dec / -2°326.42.48.40.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61882
71882
81882
91981
102080
112179
122179
132179
142278
152278
162278
172278
182179
192179
202278
212278
222278
232377
242278
252278
262278
272278
282278
292278
302278
312278

Chance of precipitation in December

Any precipitationSnow

Mykolayiv gets around 32 mm of rain and snow over 6.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 21% and peaks near 22% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1205
2205
3195
4195
5196
6196
7196
8196
9197
10197
11207
12208
13208
14208
15219
16219
17219
18229
19229
20229
21229
22229
23229
24229
25229
26229
27229
28229
29229
302210
312210

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 14 km/h in December.

Across December, 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
314light breeze
414light 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 December

DaylightNight

Daylight runs from about 8 h 36 min at the start of December to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:24 AM to 7:44 AM, and sunset from 4:00 PM to 4:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.67:244:00
28.67:253:59
38.57:263:59
48.57:273:59
58.57:283:58
68.57:293:58
78.57:303:58
88.47:313:58
98.47:323:58
108.47:333:58
118.47:343:58
128.47:353:58
138.47:363:58
148.47:373:58
158.37:373:58
168.37:383:58
178.37:393:58
188.37:403:59
198.37:403:59
208.37:413:59
218.37:414:00
228.37:424:00
238.37:424:01
248.37:434:01
258.37:434:02
268.37:434:02
278.37:444:03
288.37:444:04
298.37:444:05
308.47:444:05
318.47:444:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.9 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 6.27 kWh/m² in July across the year — December's 0.9 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.9Dim
30.9Dim
40.9Dim
50.9Dim
60.9Dim
70.9Dim
80.9Dim
90.9Dim
100.9Dim
110.9Dim
120.9Dim
130.9Dim
140.9Dim
150.9Dim
160.9Dim
170.9Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
230.9Dim
240.9Dim
250.9Dim
260.9Dim
270.9Dim
280.9Dim
290.9Dim
301.0Dim
311.0Dim
Planning a trip in December

Is December a good time to visit Mykolayiv?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Mykolayiv.

What to pack for Mykolayiv in December

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

In December, Mykolayiv sees daytime highs around 3°C and nights near -2°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

Sea temperature near Mykolayiv in December

The nearest coast averages about 8°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 61 km away) is warmest in August at about 23°C and coldest in February near 4°C.

It's comfortable for a long swim from Jun 14 to Sep 13 — about 3 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar5Bracing
Apr9Bracing
May16Cool
Jun21Refreshing
Jul23Refreshing
Aug23Refreshing
Sep20Cool
Oct16Cool
Nov11Bracing
Dec8Bracing

UV index in Mykolayiv in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mykolayiv peaks around July 22 at about 7 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 22UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5High
May5Moderate
Jun6High
Jul7Very high
Aug7Very high
Sep5High
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Mykolayiv?

Mykolayiv sits at 47.0°N, 32.0°E, 42 m above sea level, in Ukraine. The nearest listed city is Kherson, 61 km away.

PivdenneVoznesenskNova KakhovkaOdessaPivdennoukrainskKakhovka

Topography around Mykolayiv

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

Within 3 km, the terrain around Mykolayiv has only modest variations in elevation — a maximum elevation change of 56 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 76 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.

The land around Mykolayiv is covered by artificial surfaces (53%) and water (26%) within 3 km, cropland (44%) within 16 km, and cropland (63%) within 80 km.

3 km
56 m
16 km
76 m
80 km
138 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Kherson 61 km · Oleshky 68 km · Pivdenne 78 km · Voznesensk 82 km · Nova Kakhovka 106 km · Odessa 110 km · Pivdennoukrainsk 113 km · Kakhovka 114 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 Mykolayiv (46.9763°, 31.993°, elevation 42 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).