Zărnești weather in December

In December, Zărnești sees average daytime highs of 0°C and overnight lows near -6°C, with 45 mm of precipitation across 8.4 wet days and about 8.6 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 2°C in the first days to -1°C by the end. The sky is clear or mostly clear about 27% 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 Zărnești's 7th-clearest and 6th-windiest month. For the whole year in context, see Zărnești's year-round climate.

Daytime high
11th warmest
Overnight low
-6°
3rd coldest
Precipitation
45 mm
8.4 wet days
Daylight
8 h 30 min
7:59 AM – 4:31 PM
Cloud cover
63%
7th clearest
Wind
6 km/h
6th windiest
Solar energy
1.3 kWh/m²
Travel score
0.0
out of 10

Zărnești is locality in Brașov County, Romania.

Founded
1367

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 2°C in the first days to -1°C by the end.

A typical December day in Zărnești 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 6°C. Set against its neighbours, December runs about 6°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
32-4
42-4
51-5
61-5
71-5
81-5
91-5
101-6
110-6
120-6
130-6
140-6
150-6
160-6
170-7
180-7
190-7
200-7
210-7
220-7
23-1-7
24-1-7
25-1-7
26-1-7
27-1-7
28-1-7
29-1-7
30-1-8
31-1-8

How December really feels in Zărnești

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
9 feel bitter (≤ -10°C)

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

Zărnești weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -8°388.38.98.90.0
Feb / -7°388.17.910.10.0
Mar / -3°5711.37.911.60.3
Apr11° / 8515.23.313.32.4
May16° / 12818.90.414.74.0
Jun20° / 10°13418.7015.45.0
Jul22° / 12°13117.4015.15.6
Aug22° / 12°11315.3013.96.0
Sep17° / 7510.80.112.35.5
Oct12° / 578.61.510.73.3
Nov / -1°488.34.79.30.7
Dec / -6°458.47.48.60.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43961
53961
64060
74060
84060
94060
104060
114060
124060
134159
144159
154159
164159
174060
184060
194159
204159
214159
224159
233961
244060
253961
263961
273862
283862
293763
303763
313763

Chance of precipitation in December

Any precipitationSnow

Zărnești gets around 45 mm of rain and snow over 8.4 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 27% and peaks near 31% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12820
22820
32820
42720
52720
62721
72721
82721
92622
102622
112623
122623
132623
142524
152524
162524
172625
182625
192625
202726
212726
222726
232827
242827
252927
262928
273028
283029
293129
303130
313130

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 6 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
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 7:45 AM to 8:05 AM, and sunset from 4:32 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:454:32
28.77:474:31
38.77:484:31
48.77:494:31
58.77:504:30
68.77:514:30
78.67:524:30
88.67:534:30
98.67:544:30
108.67:544:30
118.67:554:30
128.67:564:30
138.67:574:30
148.57:584:30
158.57:584:30
168.57:594:31
178.58:004:31
188.58:004:31
198.58:014:31
208.58:024:32
218.58:024:32
228.58:034:33
238.58:034:33
248.58:044:34
258.58:044:34
268.58:044:35
278.58:054:36
288.58:054:36
298.58:054:37
308.58:054:38
318.68:054:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.3 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 5.69 kWh/m² in June across the year — December's 1.3 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.4Dim
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
301.4Dim
311.4Dim
Planning a trip in December

Hazard calendar for Zărnești

In seasonPeak

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

Zărnești'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 Zărnești?

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
8th-best month of the year

December is a weaker month for outdoor sightseeing in Zărnești.

What to pack for Zărnești in December

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

In December, Zărnești sees daytime highs around 0°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Zărnești 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 Zărnești peaks around July 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 18UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Zărnești?

Zărnești sits at 45.6°N, 25.3°E, 716 m above sea level, in Romania. The nearest listed city is Râşnov, 11 km away.

FăgărașSfântu GheorgheBreaza

Topography around Zărnești

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

Within 3 km, the terrain around Zărnești has large variations in elevation — a maximum elevation change of 919 m around an average of 818 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,917 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,298 m.

The land around Zărnești is covered by trees (54%) and grassland (30%) within 3 km, trees (69%) and grassland (23%) within 16 km, and trees (62%) and grassland (25%) within 80 km.

3 km
919 m
16 km
1,917 m
80 km
2,298 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Râşnov 11 km · Codlea 19 km · Brasov 24 km · Sinaia 30 km · Săcele 31 km · Făgăraș 42 km · Sfântu Gheorghe 50 km · Breaza 50 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 Zărnești (45.5609°, 25.3179°, elevation 716 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).