Voluntari weather in December

In December, Voluntari sees average daytime highs of 4°C and overnight lows near -2°C, with 43 mm of precipitation across 7 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 6°C in the first days to 3°C by the end. The sky is clear or mostly clear about 26% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 54 min at the start of December to 8 h 42 min by month's end. Set against the rest of the year, December is Voluntari's 11th-clearest and 5th-windiest month. For the whole year in context, see Voluntari's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
43 mm
7 wet days
Daylight
8 h 42 min
7:52 AM – 4:31 PM
Cloud cover
66%
11th clearest
Wind
10 km/h
5th windiest
Solar energy
1.27 kWh/m²
Travel score
0.0
out of 10

Voluntari is locality in Ilfov County, Romania.

Founded
1925

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 6°C in the first days to 3°C by the end.

A typical December day in Voluntari reaches about 4°C in the afternoon and slips back to -2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 10°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
160
260
360
450
55-1
65-1
75-1
85-1
95-1
104-1
114-2
124-2
134-2
144-2
154-2
164-2
173-2
183-3
193-3
203-3
213-3
223-3
233-3
243-3
253-3
263-3
273-3
283-3
293-4
303-4
313-4

How December really feels in Voluntari

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.

Voluntari weather by month

How December compares with the rest of the year at a glance. December is the 11th-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°386.63.990.0
Feb / -2°336.1310.10.5
Mar11° / 468.4211.63.0
Apr18° / 538.90.213.25.7
May23° / 12°6610.5014.66.8
Jun27° / 16°8211.7015.36.2
Jul30° / 18°739.30155.6
Aug30° / 18°446.4013.96.0
Sep24° / 13°596.3012.37.5
Oct17° / 5270.210.75.9
Nov10° / 446.71.29.42.5
Dec / -2°4372.88.70.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33466
43466
53466
63466
73367
83367
93367
103367
113367
123466
133466
143466
153565
163664
173664
183763
193862
203862
213961
223961
233961
244060
254060
264060
274060
284060
294060
304060
314060

Chance of precipitation in December

Any precipitationSnow

Voluntari gets around 43 mm of rain and snow over 7 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 23% and peaks near 25% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1245
2245
3235
4235
5235
6235
7226
8226
9226
10227
11217
12218
13219
14219
152110
162210
172211
182211
192211
202312
212312
222312
232412
242412
252412
262513
272513
282513
292513
302514
312514

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 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 54 min at the start of December to 8 h 42 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 7:38 AM to 7:58 AM, and sunset from 4:32 PM to 4:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.97:384:32
28.97:394:32
38.87:404:31
48.87:414:31
58.87:424:31
68.87:434:31
78.87:444:31
88.87:454:31
98.77:464:30
108.77:474:30
118.77:484:31
128.77:494:31
138.77:494:31
148.77:504:31
158.77:514:31
168.77:524:31
178.77:524:32
188.67:534:32
198.67:544:32
208.67:544:33
218.67:554:33
228.67:554:33
238.67:564:34
248.67:564:34
258.67:564:35
268.67:574:36
278.77:574:36
288.77:574:37
298.77:584:38
308.77:584:38
318.77:584:39

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.27 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.21 kWh/m² in July across the year — December's 1.27 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.2Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.3Dim
131.3Dim
141.3Dim
151.3Dim
161.3Dim
171.3Dim
181.3Dim
191.3Dim
201.3Dim
211.3Dim
221.3Dim
231.3Dim
241.3Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.3Dim
301.3Dim
311.4Dim
Planning a trip in December

Is December a good time to visit Voluntari?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Voluntari.

What to pack for Voluntari in December

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

In December, Voluntari sees daytime highs around 4°C and nights near -2°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Voluntari 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 Voluntari peaks around July 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 18UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Voluntari in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Voluntari is worst in March — around 18 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1618 µg/m³Sep 1013 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb16Moderate
Mar18Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug13Moderate
Sep13Moderate
Oct14Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Voluntari?

Voluntari sits at 44.5°N, 26.2°E, 82 m above sea level, in Romania. The nearest listed city is Pantelimon, 5.0 km away.

Topography around Voluntari

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

Within 3 km, the terrain around Voluntari has only modest variations in elevation — a maximum elevation change of 41 m around an average of 85 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, large variations in elevation — a maximum elevation change of 795 m.

The land around Voluntari is covered by artificial surfaces (39%), trees (25%) and grassland (21%) within 3 km, cropland (37%), artificial surfaces (26%) and trees (22%) within 16 km, and cropland (66%) within 80 km.

3 km
41 m
16 km
85 m
80 km
795 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Pantelimon 5.0 km · Sector 2 5.0 km · Sector 3 7.0 km · Bucharest 8.0 km · Sector 1 10 km · Popeşti-Leordeni 12 km · Sector 4 13 km · Sector 6 14 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Voluntari (44.49°, 26.1734°, elevation 82 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).