Ruma weather in December

In December, Ruma sees average daytime highs of 5°C and overnight lows near -1°C, with 51 mm of precipitation across 9.3 wet days and about 8.6 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 4°C by the end. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Ruma's 11th-clearest and 6th-windiest month. For the whole year in context, see Ruma's year-round climate.

Daytime high
11th warmest
Overnight low
-1°
3rd coldest
Precipitation
51 mm
9.3 wet days
Daylight
8 h 36 min
7:19 AM – 3:55 PM
Cloud cover
70%
11th clearest
Wind
10 km/h
6th windiest
Solar energy
1.17 kWh/m²
Travel score
0.2
out of 10

Ruma is town and municipality in Serbia.

Density
55/km²
people per km²
Founded
1746

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 7°C in the first days to 4°C by the end.

A typical December day in Ruma reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 12°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
171
271
371
471
561
661
760
860
960
1050
1150
1250
1350
145-1
155-1
165-1
175-1
184-1
194-1
204-1
214-1
224-1
234-1
244-1
254-2
264-2
274-2
284-2
294-2
304-2
314-2

How December really feels in Ruma

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.

Ruma weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°4394.190.0
Feb / -1°4293.410.10.9
Mar13° / 499.51.811.63.5
Apr18° / 5710.40.213.25.7
May23° / 12°6911.8014.66.6
Jun27° / 16°7911.8015.46.2
Jul29° / 18°6410.3015.15.6
Aug29° / 17°528.4013.95.9
Sep24° / 13°548.2012.37.2
Oct18° / 517.8010.76.1
Nov11° / 508.31.39.33.0
Dec / -1°519.32.88.60.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43169
53169
63169
73169
83169
93169
103070
113070
123070
133169
143169
153169
163169
173169
183169
193070
203169
213169
223268
233367
243367
253367
263466
273466
283466
293664
303664
313664

Chance of precipitation in December

Any precipitationSnow

Ruma gets around 51 mm of rain and snow over 9.3 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 30% and peaks near 32% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1307
2306
3306
4307
5307
6307
7297
8297
9298
10298
11298
12299
13299
14299
152910
162910
172910
183010
193010
203011
213011
223111
233111
243111
253111
263111
273111
283212
293212
303212
313112

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 9 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
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 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 7:05 AM to 7:25 AM, and sunset from 3:55 PM to 4:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:053:55
28.87:073:55
38.87:083:55
48.87:093:55
58.77:103:54
68.77:113:54
78.77:123:54
88.77:133:54
98.77:133:54
108.77:143:54
118.67:153:54
128.67:163:54
138.67:173:54
148.67:183:54
158.67:183:54
168.67:193:55
178.67:203:55
188.67:203:55
198.67:213:56
208.67:213:56
218.67:223:56
228.67:223:57
238.67:233:57
248.67:233:58
258.67:243:58
268.67:243:59
278.67:244:00
288.67:254:00
298.67:254:01
308.67:254:02
318.67:254:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.17 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.17 kWh/m² to a high of 6.08 kWh/m² in July across the year — December's 1.17 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
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.1Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.2Dim
291.2Dim
301.2Dim
311.2Dim
Planning a trip in December

Is December a good time to visit Ruma?

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

0.2
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 Ruma.

What to pack for Ruma in December

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

In December, Ruma sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Ruma 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 Ruma peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 14UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ruma 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 Ruma is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1416 µg/m³Dec 1611 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep12Moderate
Oct14Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Ruma?

Ruma sits at 45.0°N, 19.8°E, 114 m above sea level, in Serbia. The nearest listed city is Sremska Mitrovica, 17 km away.

Stara PazovaFutogNovi SadŠabacNova PazovaBačka Palanka

Topography around Ruma

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

Within 3 km, the terrain around Ruma has only modest variations in elevation — a maximum elevation change of 48 m around an average of 111 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 444 m; within 80 km, large variations in elevation — a maximum elevation change of 797 m.

The land around Ruma is covered by cropland (58%) and artificial surfaces (23%) within 3 km, cropland (78%) within 16 km, and cropland (61%) and trees (25%) within 80 km.

3 km
48 m
16 km
444 m
80 km
797 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Sremska Mitrovica 17 km · Inđija 21 km · Stara Pazova 27 km · Futog 27 km · Novi Sad 27 km · Šabac 31 km · Nova Pazova 32 km · Bačka Palanka 43 km

Serbia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 45% of US
price level, 2025
GDP per capita
$15,262
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
75%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
7.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 579
Religion
Serbian Orthodox 81%unknown 5%Islam 4%Catholic 4%

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 Ruma (45.0081°, 19.8222°, elevation 114 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).