Sinaia weather in January

In January, Sinaia sees average daytime highs of 0°C and overnight lows near -7°C, with 42 mm of precipitation across 8.1 wet days and about 8.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 0°C through the month. The sky is clear or mostly clear about 26% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 36 min at the start of January to 9 h 24 min by month's end. Set against the rest of the year, January is Sinaia's 8th-clearest and 3rd-windiest month. For the whole year in context, see Sinaia's year-round climate.

Daytime high
12th warmest
Overnight low
-7°
1st coldest
Precipitation
42 mm
8.1 wet days
Daylight
8 h 54 min
8:00 AM – 4:54 PM
Cloud cover
64%
8th clearest
Wind
7 km/h
3rd windiest
Solar energy
1.64 kWh/m²
Travel score
0.0
out of 10

Sinaia is locality in Prahova County, Romania.

Founded
1690

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 0°C through the month.

A typical January day in Sinaia reaches about 0°C in the afternoon and slips back to -7°C overnight — a 7°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, January runs about 1°C cooler than December and about 2°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
10-6
20-6
30-6
40-6
50-6
60-6
70-6
80-6
90-6
100-6
110-6
120-6
130-6
140-6
150-6
160-6
170-6
180-7
190-7
200-7
210-7
220-7
230-7
240-7
250-7
260-7
270-7
280-7
290-7
300-7
310-7

How January really feels in Sinaia

Once humidity and wind are folded in, January 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
12 feel bitter (≤ -10°C)

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

Sinaia weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°428.17.98.90.0
Feb / -5°387.7710.10.0
Mar / -2°5711.27.511.60.6
Apr12° / 8414.62.713.22.7
May17° / 12918.80.414.64.3
Jun21° / 11°14419.1015.45.0
Jul23° / 12°13218.1015.15.7
Aug23° / 12°10115.3013.96.2
Sep18° / 7110.4012.35.8
Oct13° / 618.71.510.73.6
Nov / -1°4884.29.30.9
Dec / -5°497.86.38.60.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34159
44159
54258
64258
74357
84357
94357
104357
114456
124456
134456
144357
154357
164357
174357
184159
194159
204060
213961
223961
233961
243961
254060
264060
274060
284060
294258
304258
314258

Chance of precipitation in January

Any precipitationSnow

Sinaia gets around 42 mm of rain and snow over 8.1 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 25% and peaks near 29% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12624
22624
32624
42524
52523
62423
72322
82322
92221
102221
112121
122120
132120
142220
152221
162321
172422
182523
192524
202625
212726
222827
232827
242928
252928
262928
272928
282828
292828
302828
312727

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 January

Winds average 7 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 8 h 36 min at the start of January to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:03 AM to 7:48 AM, and sunset from 4:39 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.68:034:39
28.68:034:40
38.68:034:40
48.68:034:41
58.68:034:42
68.78:034:43
78.78:034:44
88.78:034:45
98.78:034:46
108.78:024:47
118.88:024:48
128.88:024:49
138.88:014:51
148.88:014:52
158.98:014:53
168.98:004:54
178.98:004:55
189.07:594:57
199.07:584:58
209.07:584:59
219.17:575:00
229.17:565:02
239.17:565:03
249.27:555:04
259.27:545:06
269.27:535:07
279.37:525:08
289.37:515:10
299.37:505:11
309.47:495:12
319.47:485:14

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.64 kWh/m².

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 5.77 kWh/m² in July across the year — January's 1.64 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.5Dim
71.5Dim
81.5Dim
91.5Dim
101.5Dim
111.6Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.8Dim
231.8Dim
241.8Dim
251.8Dim
261.9Dim
271.9Dim
281.9Dim
292.0Dim
302.0Dim
312.0Moderate
Planning a trip in January

Hazard calendar for Sinaia

In seasonPeak

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

Sinaia'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 January a good time to visit Sinaia?

Our two travel scores rate January 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

January is a weaker month for outdoor sightseeing in Sinaia.

What to pack for Sinaia in January

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

In January, Sinaia sees daytime highs around 0°C and nights near -7°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 Sinaia in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sinaia peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Sinaia?

Sinaia sits at 45.4°N, 25.6°E, 0 m above sea level, in Romania. The nearest listed city is Breaza, 21 km away.

Moreni

Topography around Sinaia

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

Within 3 km, the terrain around Sinaia has large variations in elevation — a maximum elevation change of 880 m around an average of 1,039 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,981 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,409 m.

The land around Sinaia is covered by trees (92%) within 3 km, trees (75%) and grassland (23%) within 16 km, and trees (61%) within 80 km.

3 km
880 m
16 km
1,981 m
80 km
2,409 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Breaza 21 km · Râşnov 27 km · Câmpina 29 km · Zărnești 30 km · Săcele 32 km · Brasov 33 km · Codlea 40 km · Moreni 41 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 Sinaia (45.35°, 25.55°, elevation 0 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).