Osowa weather in January

In January, Osowa sees average daytime highs of 1°C and overnight lows near -2°C, with 47 mm of precipitation across 11.9 wet days and about 7.6 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 1°C through the month. The sky is clear or mostly clear about 10% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 06 min at the start of January to 8 h 24 min by month's end. Set against the rest of the year, January is Osowa's 10th-clearest and 1st-windiest month. For the whole year in context, see Osowa's year-round climate.

Daytime high
12th warmest
Overnight low
-2°
1st coldest
Precipitation
47 mm
11.9 wet days
Daylight
7 h 36 min
8:08 AM – 3:43 PM
Cloud cover
79%
10th clearest
Wind
21 km/h
1st windiest
Solar energy
0.62 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 1°C through the month.

A typical January day in Osowa reaches about 1°C in the afternoon and slips back to -2°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between -5°C and 6°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
12-2
22-2
32-2
42-2
52-2
62-2
72-2
82-2
92-2
102-2
112-2
122-2
132-2
142-2
152-2
161-2
171-2
181-2
191-2
201-2
211-2
221-2
231-2
241-2
251-2
261-2
271-2
281-2
291-2
301-2
311-2

How January really feels in Osowa

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
wind chill below the day's low

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

Osowa 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 / -2°4711.96.57.60.0
Feb / -2°3810.16.19.30.0
Mar / 4410.84.411.50.2
Apr10° / 429.31.113.72.2
May14° / 6211.1015.74.2
Jun18° / 12°7312.8016.95.4
Jul20° / 14°9213.6016.45.9
Aug21° / 14°8112.6014.76.1
Sep17° / 11°6511.4012.55.0
Oct12° / 6311.90.210.22.8
Nov / 5011.728.20.6
Dec / -0°5211.957.10.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 10% of January, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61981
71981
81981
91981
101981
111981
121981
131981
141981
152080
162080
172179
182179
192080
202080
212179
222179
232179
242179
252179
262179
272278
282278
292377
302377
312278

Chance of precipitation in January

Any precipitationSnow

Osowa gets around 47 mm of rain and snow over 11.9 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 40% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13918
23918
33918
44018
54018
64018
74018
84018
93918
103919
113819
123819
133720
143620
153621
163521
173521
183422
193422
203422
213422
223522
233523
243623
253622
263722
273722
283721
293821
303821
313821

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 21 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 06 min at the start of January to 8 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over January. Sunrise moves from 8:16 AM to 7:48 AM, and sunset from 3:23 PM to 4:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.18:163:23
27.18:163:24
37.28:153:25
47.28:153:26
57.28:153:27
67.28:143:29
77.38:143:30
87.38:133:31
97.38:133:33
107.48:123:34
117.48:123:35
127.48:113:37
137.58:103:38
147.58:093:40
157.68:093:42
167.68:083:43
177.68:073:45
187.78:063:47
197.78:053:48
207.88:033:50
217.88:023:52
227.98:013:54
237.98:003:55
248.07:593:57
258.07:573:59
268.17:564:01
278.17:544:03
288.27:534:05
298.37:514:07
308.37:504:09
318.47:484:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.62 kWh/m².

For context, solar energy here swings from a low near 0.43 kWh/m² to a high of 5.73 kWh/m² in June across the year — January's 0.62 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.5Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.5Dim
120.6Dim
130.6Dim
140.6Dim
150.6Dim
160.6Dim
170.6Dim
180.6Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.9Dim
310.9Dim
Planning a trip in January

Is January a good time to visit Osowa?

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
7th-best month of the year

January is a weaker month for outdoor sightseeing in Osowa.

What to pack for Osowa in January

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

In January, Osowa sees daytime highs around 1°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear and a windbreaker. About 12 days see rain.

a warm layera heavy coatrain geara windbreaker

Sea temperature near Osowa in January

The nearest coast averages about 4°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in August at about 19°C and coldest in February near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr5Bracing
May9Bracing
Jun14Bracing
Jul17Cool
Aug19Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Osowa 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 Osowa peaks around June 19 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 6Dec 20UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Osowa?

Osowa sits at 54.4°N, 18.5°E, 153 m above sea level, in Poland. The nearest listed city is Sopot, 6.0 km away.

Topography around Osowa

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

Within 3 km, the terrain around Osowa has only modest variations in elevation — a maximum elevation change of 96 m around an average of 153 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.

The land around Osowa is covered by trees (52%) within 3 km, trees (40%) within 16 km, and water (34%), trees (28%) and cropland (25%) within 80 km.

3 km
96 m
16 km
248 m
80 km
339 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Sopot 6.0 km · Przymorze Wielkie 9.0 km · Wrzeszcz Górny 10 km · Gdynia 11 km · Wrzeszcz Dolny 11 km · Wrzeszcz 11 km · Piecki-Migowo 11 km · Chełm 14 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

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 Osowa (54.4311°, 18.4673°, elevation 153 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).