Petrila weather in December

In December, Petrila sees average daytime highs of -0°C and overnight lows near -6°C, with 66 mm of precipitation across 11.4 wet days and about 8.6 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -1°C by the end. The sky is clear or mostly clear about 28% 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 Petrila's 6th-clearest and 6th-windiest month. For the whole year in context, see Petrila's year-round climate.

Daytime high
-0°
11th warmest
Overnight low
-6°
3rd coldest
Precipitation
66 mm
11.4 wet days
Daylight
8 h 30 min
8:06 AM – 4:39 PM
Cloud cover
63%
6th clearest
Wind
5 km/h
6th windiest
Solar energy
1.25 kWh/m²
Travel score
0.0
out of 10

Petrila is locality in Hunedoara County, Romania.

Founded
1493

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 1°C in the first days to -1°C by the end.

A typical December day in Petrila reaches about -0°C in the afternoon and slips back to -6°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -6°C and 5°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
12-4
22-4
31-4
41-4
51-5
61-5
71-5
81-5
90-5
100-5
110-6
120-6
130-6
140-6
150-6
160-6
170-6
18-1-6
19-1-6
20-1-7
21-1-7
22-1-7
23-1-7
24-1-7
25-1-7
26-1-7
27-1-7
28-1-7
29-1-7
30-1-7
31-1-7

How December really feels in Petrila

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.

Petrila weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°5511.211.58.90.0
Feb / -6°551110.710.10.0
Mar / -3°7713.611.411.60.1
Apr10° / 11917.85.813.21.8
May15° / 17022.21.214.73.2
Jun19° / 18420.90.115.44.4
Jul20° / 11°17419.5015.15.1
Aug21° / 11°14317.9013.95.4
Sep16° / 10213.80.212.34.7
Oct11° / 7310.32.210.72.8
Nov / -1°6210.66.59.30.5
Dec-0° / -6°6611.410.88.60.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53862
63862
73862
83862
93862
103862
113862
123961
133961
143961
153961
164060
173961
184060
194060
203961
214159
224159
234060
244060
254060
264060
274060
284060
293961
303961
313961

Chance of precipitation in December

Any precipitationSnow

Petrila gets around 66 mm of rain and snow over 11.4 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 37% and peaks near 39% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13731
23731
33732
43732
53733
63733
73733
83734
93634
103635
113635
123635
133635
143636
153636
163636
173636
183636
193736
203737
213737
223736
233736
243836
253836
263837
273837
283837
293938
303938
313838

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
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 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 7:53 AM to 8:13 AM, and sunset from 4:40 PM to 4:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:534:40
28.87:544:39
38.77:554:39
48.77:564:39
58.77:574:38
68.77:584:38
78.77:594:38
88.68:004:38
98.68:014:38
108.68:024:38
118.68:034:38
128.68:034:38
138.68:044:38
148.68:054:38
158.58:064:38
168.58:064:39
178.58:074:39
188.58:084:39
198.58:084:40
208.58:094:40
218.58:094:40
228.58:104:41
238.58:104:41
248.58:114:42
258.58:114:42
268.58:114:43
278.58:124:44
288.58:124:44
298.58:124:45
308.68:124:46
318.68:134:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.25 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 5.84 kWh/m² in June across the year — December's 1.25 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.3Dim
51.3Dim
61.3Dim
71.3Dim
81.3Dim
91.3Dim
101.3Dim
111.3Dim
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
311.3Dim
Planning a trip in December

Hazard calendar for Petrila

In seasonPeak

None of Petrila's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Petrila's rainy season runs April–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Petrila?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Petrila.

What to pack for Petrila in December

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

In December, Petrila sees daytime highs around -0°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Petrila 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 Petrila peaks around July 15 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 15UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Petrila?

Petrila sits at 45.5°N, 23.4°E, 676 m above sea level, in Romania. The nearest listed city is Petroşani, 5.0 km away.

CugirTârgu JiuOrăştieHunedoaraSebeş

Topography around Petrila

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

Within 3 km, the terrain around Petrila has significant variations in elevation — a maximum elevation change of 587 m around an average of 795 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,014 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,416 m.

The land around Petrila is covered by trees (53%) and grassland (39%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (68%) and grassland (21%) within 80 km.

3 km
587 m
16 km
2,014 m
80 km
2,416 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Petroşani 5.0 km · Vulcan 14 km · Lupeni 17 km · Cugir 43 km · Târgu Jiu 46 km · Orăştie 46 km · Hunedoara 52 km · Sebeş 58 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 Petrila (45.45°, 23.4167°, elevation 676 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).