Svilengrad weather in December

In December, Svilengrad sees average daytime highs of 8°C and overnight lows near 1°C, with 64 mm of precipitation across 8.2 wet days and about 9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 10°C in the first days to 7°C by the end. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 12 min at the start of December to 9 hours by month's end. Set against the rest of the year, December is Svilengrad's 11th-clearest and 3rd-windiest month. For the whole year in context, see Svilengrad's year-round climate.

Daytime high
11th warmest
Overnight low
3rd coldest
Precipitation
64 mm
8.2 wet days
Daylight
9 hours
7:42 AM – 4:41 PM
Cloud cover
60%
11th clearest
Wind
10 km/h
3rd windiest
Solar energy
1.52 kWh/m²
Travel score
1.6
out of 10

Svilengrad is city in Svilengrad municipality, Haskovo oblast, Bulgaria.

Density
213/km²
people per km²

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 10°C in the first days to 7°C by the end.

A typical December day in Svilengrad reaches about 8°C in the afternoon and slips back to 1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 15°C. Set against its neighbours, December runs about 6°C cooler than November and about 1°C warmer than January.

-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1113
2103
3103
4103
5103
6102
792
892
992
1092
1191
1291
1381
1481
1581
1681
1781
1881
1981
2080
2180
2280
2380
2480
2570
2670
2770
2870
2970
3070
3170

How December really feels in Svilengrad

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

Svilengrad weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°547.42.79.31.0
Feb / 496.9210.32.0
Mar13° / 578.61.411.73.8
Apr18° / 467.80.113.16.1
May24° / 12°529014.37.1
Jun28° / 17°417.90156.3
Jul31° / 19°365.5014.75.1
Aug32° / 19°203.5013.75.1
Sep27° / 15°304.3012.37.5
Oct20° / 10°635.90.110.97.1
Nov14° / 576.50.49.64.4
Dec / 648.22.391.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44258
54258
64357
74258
84258
94258
104258
114357
124357
134456
144555
154555
164555
174654
184654
194852
204852
214852
224852
234852
244951
254852
264753
274753
284753
294753
304654
314654

Chance of precipitation in December

Any precipitationSnow

Svilengrad gets around 64 mm of rain and snow over 8.2 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 27% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1274
2274
3275
4275
5275
6275
7276
8276
9276
10277
11277
12277
13278
14278
15278
16278
17268
18268
19269
20269
21269
22269
23269
24269
25269
262610
272610
282610
292610
302610
312610

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 (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 9 h 12 min at the start of December to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:29 AM to 7:48 AM, and sunset from 4:41 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:294:41
29.27:304:40
39.27:314:40
49.17:324:40
59.17:334:40
69.17:344:40
79.17:354:40
89.17:364:40
99.17:374:40
109.07:384:40
119.07:384:40
129.07:394:40
139.07:404:40
149.07:414:40
159.07:414:41
169.07:424:41
179.07:434:41
189.07:434:41
199.07:444:42
209.07:444:42
219.07:454:43
229.07:454:43
239.07:464:44
249.07:464:44
259.07:474:45
269.07:474:45
279.07:474:46
289.07:484:46
299.07:484:47
309.07:484:48
319.07:484:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.69 kWh/m² in June across the year — December's 1.52 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.5Dim
221.5Dim
231.5Dim
241.5Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit Svilengrad?

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

1.6
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 Svilengrad.

What to pack for Svilengrad in December

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

In December, Svilengrad sees daytime highs around 8°C and nights near 1°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

UV index in Svilengrad 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 Svilengrad peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 14UV 9Dec 23UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Svilengrad 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 Svilengrad is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1916 µg/m³Sep 1810 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec11Good
Location & terrain

Where is Svilengrad?

Svilengrad sits at 41.8°N, 26.2°E, 60 m above sea level, in Bulgaria. The nearest listed city is Harmanli, 31 km away.

HarmanliEdirneOrestiádaHaskovoDimitrovgradUzunköprüKardzhaliNova Zagora

Topography around Svilengrad

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

Within 3 km, the terrain around Svilengrad has only modest variations in elevation — a maximum elevation change of 115 m around an average of 66 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 651 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,242 m.

The land around Svilengrad is covered by cropland (47%) and grassland (22%) within 3 km, cropland (46%), trees (26%) and grassland (25%) within 16 km, and cropland (46%), trees (31%) and grassland (21%) within 80 km.

3 km
115 m
16 km
651 m
80 km
1,242 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Harmanli 31 km · Edirne 31 km · Orestiáda 40 km · Haskovo 56 km · Dimitrovgrad 59 km · Uzunköprü 69 km · Kardzhali 70 km · Nova Zagora 81 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Svilengrad (41.7684°, 26.1977°, elevation 60 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).