Kyustendil weather in December

In December, Kyustendil sees average daytime highs of 5°C and overnight lows near -2°C, with 59 mm of precipitation across 9.1 wet days and about 9 hours of daylight. It is the 11th-warmest and 5th-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 30% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 06 min at the start of December to 8 h 54 min by month's end. Set against the rest of the year, December is Kyustendil's 12th-clearest and 6th-windiest month. For the whole year in context, see Kyustendil's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
59 mm
9.1 wet days
Daylight
8 h 54 min
7:58 AM – 4:53 PM
Cloud cover
60%
12th clearest
Wind
5 km/h
6th windiest
Solar energy
1.64 kWh/m²
Travel score
0.2
out of 10

Kyustendil is city in Kyustendil municipality, Kyustendil oblast, Bulgaria.

Density
2,503/km²
people per km²
Founded
~1 CE

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 Kyustendil reaches about 5°C in the afternoon and slips back to -2°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 10°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-10°10°151015202531
Avg high (°C)Avg low (°C)
170
270
37-1
47-1
57-1
66-1
76-1
86-1
96-1
106-2
116-2
125-2
135-2
145-2
155-2
165-2
175-3
185-3
195-3
205-3
214-3
224-3
234-3
244-3
254-3
264-3
274-3
284-4
294-4
304-4
314-4

How December really feels in Kyustendil

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.

Kyustendil weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°468.25.49.30.0
Feb / -3°4684.910.30.7
Mar11° / 6210.6411.62.6
Apr15° / 6811.91.313.14.5
May20° / 7213.40.114.45.9
Jun24° / 12°7212.20156.7
Jul27° / 14°568.9014.87.2
Aug27° / 14°457.6013.77.4
Sep23° / 11°457.5012.37.4
Oct17° / 567.40.510.85.8
Nov11° / 517.92.19.62.7
Dec / -2°599.14.790.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34258
44258
54258
64258
74258
84357
94357
104357
114357
124456
134456
144456
154357
164555
174555
184555
194555
204555
214555
224555
234654
244555
254555
264654
274654
284654
294555
304753
314753

Chance of precipitation in December

Any precipitationSnow

Kyustendil gets around 59 mm of rain and snow over 9.1 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 29% and peaks near 34% on the wettest days, and about 5 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13411
23411
33411
43411
53312
63312
73313
83214
93214
103115
113116
123016
133017
142917
152817
162817
172817
182718
192718
202718
212717
222717
232717
242717
252717
262717
272716
282716
292716
302716
312616

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 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 06 min at the start of December to 8 h 54 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 7:45 AM to 8:04 AM, and sunset from 4:53 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.17:454:53
29.17:464:53
39.17:474:53
49.17:484:52
59.17:494:52
69.07:504:52
79.07:514:52
89.07:524:52
99.07:524:52
109.07:534:52
119.07:544:52
129.07:554:52
138.97:564:52
148.97:564:53
158.97:574:53
168.97:584:53
178.97:584:53
188.97:594:54
198.98:004:54
208.98:004:54
218.98:014:55
228.98:014:55
238.98:024:56
248.98:024:56
258.98:024:57
268.98:034:57
278.98:034:58
288.98:034:59
298.98:044:59
308.98:045:00
318.98:045:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.64 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.44 kWh/m² in July across the year — December's 1.64 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.7Dim
61.7Dim
71.7Dim
81.7Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in December

Is December a good time to visit Kyustendil?

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 Kyustendil.

What to pack for Kyustendil in December

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

In December, Kyustendil sees daytime highs around 5°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Kyustendil 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 Kyustendil peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighModerateLowJul 11UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Kyustendil?

Kyustendil sits at 42.3°N, 22.7°E, 514 m above sea level, in Bulgaria. The nearest listed city is Kriva Palanka, 31 km away.

Kriva PalankaDupnitsaDelcevoPernikBlagoevgradKochaniVinicaKratovo

Topography around Kyustendil

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

Within 3 km, the terrain around Kyustendil has significant variations in elevation — a maximum elevation change of 431 m around an average of 566 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,657 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,762 m.

The land around Kyustendil is covered by cropland (28%), trees (27%) and artificial surfaces (23%) within 3 km, trees (62%) and grassland (25%) within 16 km, and trees (60%) and grassland (26%) within 80 km.

3 km
431 m
16 km
1,657 m
80 km
2,762 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Kriva Palanka 31 km · Dupnitsa 35 km · Delcevo 36 km · Pernik 45 km · Blagoevgrad 45 km · Kochani 47 km · Vinica 47 km · Kratovo 48 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 Kyustendil (42.2831°, 22.6922°, elevation 514 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).