Parvomay weather in December

In December, Parvomay sees average daytime highs of 7°C and overnight lows near -1°C, with 70 mm of precipitation across 8.6 wet days and about 9 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 5°C by the end. The sky is clear or mostly clear about 35% 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 Parvomay's 10th-clearest and 10th-windiest month. For the whole year in context, see Parvomay's year-round climate.

Daytime high
11th warmest
Overnight low
-1°
2nd coldest
Precipitation
70 mm
8.6 wet days
Daylight
8 h 54 min
7:47 AM – 4:44 PM
Cloud cover
57%
10th clearest
Wind
7 km/h
10th windiest
Solar energy
1.61 kWh/m²
Travel score
0.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 9°C in the first days to 5°C by the end.

A typical December day in Parvomay reaches about 7°C in the afternoon and slips back to -1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 13°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
191
291
391
481
581
681
780
880
970
1070
1170
127-1
137-1
147-1
156-1
166-1
176-1
186-2
196-2
206-2
216-2
226-2
236-2
246-2
256-2
266-2
276-2
286-2
296-2
305-2
315-3

How December really feels in Parvomay

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.

Parvomay weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°587.93.99.30.2
Feb / -1°567.63.210.31.5
Mar12° / 719.72.311.73.4
Apr17° / 619.20.413.15.7
May22° / 11°739.7014.46.9
Jun27° / 15°617.90157.0
Jul29° / 18°556.4014.86.2
Aug30° / 17°384.3013.76.4
Sep25° / 13°615.7012.37.8
Oct19° / 637.10.210.86.4
Nov12° / 596.91.29.63.5
Dec / -1°708.63.490.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54555
64555
74654
84654
94753
104654
114654
124654
134753
144753
154753
164852
174951
184951
194951
204951
215050
225149
235248
245248
255248
265248
275248
285248
295248
305149
315248

Chance of precipitation in December

Any precipitationSnow

Parvomay gets around 70 mm of rain and snow over 8.6 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 28% and peaks near 30% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1298
2308
3308
4309
5309
6309
7309
83010
93010
103010
113011
122911
132911
142912
152812
162812
172712
182712
192612
202612
212612
222512
232512
242512
252512
262512
272513
282613
292613
302613
312613

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 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:34 AM to 7:53 AM, and sunset from 4:44 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.27:344:44
29.17:354:43
39.17:364:43
49.17:374:43
59.17:384:43
69.17:394:43
79.07:404:43
89.07:414:43
99.07:424:43
109.07:434:43
119.07:434:43
129.07:444:43
139.07:454:43
149.07:464:43
159.07:464:43
168.97:474:44
178.97:484:44
188.97:484:44
198.97:494:45
208.97:494:45
218.97:504:45
228.97:504:46
238.97:514:46
248.97:514:47
258.97:524:47
268.97:524:48
278.97:524:49
288.97:534:49
299.07:534:50
309.07:534:51
319.07:534:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.61 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 6.52 kWh/m² in July across the year — December's 1.61 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.6Dim
41.6Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
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
231.7Dim
241.7Dim
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 Parvomay?

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

0.8
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 Parvomay.

What to pack for Parvomay in December

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

In December, Parvomay sees daytime highs around 7°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 Parvomay 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 Parvomay peaks around June 23 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 highHighModerateLowJun 23UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Parvomay 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 Parvomay is worst in March — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2015 µg/m³Sep 2210 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr14Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Parvomay?

Parvomay sits at 42.1°N, 25.2°E, 134 m above sea level, in Bulgaria. The nearest listed city is Chirpan, 15 km away.

RakovskiAsenovgradDimitrovgradHaskovoPlovdivStara ZagoraKardzhali

Topography around Parvomay

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

Within 3 km, the terrain around Parvomay has only modest variations in elevation — a maximum elevation change of 44 m around an average of 133 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 704 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,335 m.

The land around Parvomay is covered by cropland (66%) within 3 km, cropland (70%) within 16 km, and trees (47%) and cropland (32%) within 80 km.

3 km
44 m
16 km
704 m
80 km
2,335 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Chirpan 15 km · Rakovski 29 km · Asenovgrad 30 km · Dimitrovgrad 32 km · Haskovo 34 km · Plovdiv 39 km · Stara Zagora 51 km · Kardzhali 52 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 Parvomay (42.1°, 25.2167°, elevation 134 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).