Ostashkov weather in January

In January, Ostashkov sees average daytime highs of -4°C and overnight lows near -9°C, with 45 mm of precipitation across 11.7 wet days and about 7.1 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near -4°C through the month. The sky is clear or mostly clear about 4% of the time in January, and the air most often feels dry.

Daylight stretches from about 6 h 30 min at the start of January to 7 h 54 min by month's end. Set against the rest of the year, January is Ostashkov's 11th-clearest and 2nd-windiest month. For the whole year in context, see Ostashkov's year-round climate.

Daytime high
-4°
12th warmest
Overnight low
-9°
2nd coldest
Precipitation
45 mm
11.7 wet days
Daylight
7 hours
9:25 AM – 4:28 PM
Cloud cover
90%
11th clearest
Wind
15 km/h
2nd windiest
Solar energy
0.43 kWh/m²
Travel score
0.0
out of 10

Ostashkov is human settlement in Ostashkovsky District, Tver Oblast, Russia.

Density
1,505/km²
people per km²
Founded
1301

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 -4°C through the month.

A typical January day in Ostashkov reaches about -4°C in the afternoon and slips back to -9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -13°C and 2°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-4-8
2-4-8
3-4-8
4-4-8
5-4-8
6-4-8
7-4-8
8-4-8
9-4-8
10-4-8
11-4-8
12-4-8
13-4-8
14-4-8
15-4-8
16-4-8
17-4-8
18-4-9
19-4-9
20-4-9
21-4-9
22-5-9
23-5-9
24-5-9
25-5-10
26-5-10
27-5-10
28-5-10
29-5-10
30-5-10
31-5-10

How January really feels in Ostashkov

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
31 feel bitter (≤ -10°C)

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

Ostashkov weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -9°4511.713.47.10.0
Feb-4° / -9°349.511.190.0
Mar / -5°379.68.611.40.0
Apr / 399.22.513.91.7
May16° / 6812.50.216.24.6
Jun19° / 12°8513.6017.55.5
Jul22° / 14°9214.10175.9
Aug20° / 12°8512.70155.8
Sep14° / 6311.60.112.53.9
Oct / 6912.82.5101.0
Nov / -3°5211.77.67.80.0
Dec-3° / -7°4711.811.96.50.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 3% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4595
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16793
17793
18793
19793
20793
21793
22793
23991
24991
25991
26991
271090
281090
291189
301189
311189

Chance of precipitation in January

Any precipitationSnow

Ostashkov gets around 45 mm of rain and snow over 11.7 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 37% and peaks near 41% on the wettest days, and about 13 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14143
24043
34043
44043
54044
64044
74044
84043
94043
103943
113842
123842
133741
143641
153641
163641
173541
183541
193542
203542
213542
223543
233543
243544
253644
263645
273645
283745
293745
303745
313745

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 15 km/h in January.

Across January, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 6 h 30 min at the start of January to 7 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over January. Sunrise moves from 9:36 AM to 9:03 AM, and sunset from 4:05 PM to 4:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
16.59:364:05
26.59:364:07
36.59:354:08
46.69:354:09
56.69:354:10
66.69:344:12
76.79:334:13
86.79:334:15
96.79:324:16
106.89:314:18
116.89:314:19
126.99:304:21
136.99:294:23
146.99:284:25
157.09:274:26
167.09:254:28
177.19:244:30
187.29:234:32
197.29:224:34
207.39:204:36
217.39:194:38
227.49:184:40
237.49:164:42
247.59:154:44
257.69:134:46
267.69:114:48
277.79:104:51
287.79:084:53
297.89:064:55
307.99:044:57
317.99:034:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.43 kWh/m².

For context, solar energy here swings from a low near 0.27 kWh/m² to a high of 5.23 kWh/m² in June across the year — January's 0.43 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.3Dim
20.3Dim
30.3Dim
40.3Dim
50.3Dim
60.3Dim
70.3Dim
80.3Dim
90.3Dim
100.3Dim
110.4Dim
120.4Dim
130.4Dim
140.4Dim
150.4Dim
160.4Dim
170.4Dim
180.4Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.6Dim
250.6Dim
260.6Dim
270.6Dim
280.6Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in January

Is January a good time to visit Ostashkov?

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

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
7th-best month of the year

January is a weaker month for outdoor sightseeing in Ostashkov.

What to pack for Ostashkov in January

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

In January, Ostashkov sees daytime highs around -4°C and nights near -9°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Ostashkov in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ostashkov peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Moderate
Apr3Moderate
May4Moderate
Jun6High
Jul6High
Aug4Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Ostashkov?

Ostashkov sits at 57.1°N, 33.1°E, 210 m above sea level, in Russia. The nearest listed city is Valday, 93 km away.

Topography around Ostashkov

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

Within 3 km, the terrain around Ostashkov has only modest variations in elevation — a maximum elevation change of 23 m around an average of 208 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, significant variations in elevation — a maximum elevation change of 335 m.

The land around Ostashkov is covered by water (44%) and trees (26%) within 3 km, trees (64%) within 16 km, and trees (85%) within 80 km.

3 km
23 m
16 km
87 m
80 km
335 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Valday 93 km · Bologoye 100 km · Vyshniy Volochëk 100 km · Nelidovo 104 km · Torzhok 113 km · Rzhev 123 km · Udomlya 139 km · Staraya Russa 141 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Ostashkov (57.1469°, 33.1066°, elevation 210 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).