Jasło weather in December

In December, Jasło sees average daytime highs of 1°C and overnight lows near -3°C, with 49 mm of precipitation across 11.5 wet days and about 8 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 3°C in the first days to 0°C by the end. The sky is clear or mostly clear about 10% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 12 min at the start of December to 8 hours by month's end. Set against the rest of the year, December is Jasło's 12th-clearest and 1st-windiest month. For the whole year in context, see Jasło's year-round climate.

Daytime high
11th warmest
Overnight low
-3°
3rd coldest
Precipitation
49 mm
11.5 wet days
Daylight
7 h 54 min
7:33 AM – 3:28 PM
Cloud cover
78%
12th clearest
Wind
14 km/h
1st windiest
Solar energy
0.74 kWh/m²
Travel score
0.0
out of 10

Jasło is city and urban gmina of Poland.

Density
1,036/km²
people per km²
Founded
1365

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 3°C in the first days to 0°C by the end.

A typical December day in Jasło reaches about 1°C in the afternoon and slips back to -3°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -4°C and 7°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-1
23-1
33-1
43-1
53-2
62-2
72-2
82-2
92-2
102-2
112-2
122-2
132-2
142-3
151-3
161-3
171-3
181-3
191-3
201-3
211-3
221-3
231-3
241-4
251-4
261-4
271-4
281-4
290-4
300-4
310-4

How December really feels in Jasło

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.

Jasło weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°5011.798.40.0
Feb / -4°5011.58.59.80.0
Mar / -0°5211.84.811.51.0
Apr14° / 6211.71.413.53.8
May19° / 9514.7015.15.4
Jun22° / 12°9213.70166.0
Jul24° / 14°11114.8015.76.2
Aug24° / 13°7612.1014.26.6
Sep19° / 7811.3012.45.7
Oct13° / 6410.80.410.53.5
Nov / 5310.83.68.80.8
Dec / -3°4911.57.180.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December, the cloudiest month of the year.

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
42080
52080
62080
71981
81981
91981
101981
111882
121882
131882
141882
151981
161981
171981
181981
192080
202080
212080
222179
232278
242278
252278
262278
272278
282278
292278
302278
312278

Chance of precipitation in December

Any precipitationSnow

Jasło gets around 49 mm of rain and snow over 11.5 wet days in December, the driest month. 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 7 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13217
23217
33218
43318
53318
63419
73519
83520
93620
103621
113622
123722
133723
143723
153724
163824
173824
183825
193925
203925
213925
223925
233926
243926
253926
264027
274027
284027
294127
304128
314128

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 14 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 12 min at the start of December to 8 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:17 AM to 7:39 AM, and sunset from 3:30 PM to 3:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.27:173:30
28.27:193:30
38.27:203:29
48.17:213:29
58.17:223:29
68.17:233:28
78.17:243:28
88.07:263:28
98.07:273:28
108.07:283:28
118.07:283:28
128.07:293:27
138.07:303:28
147.97:313:28
157.97:323:28
167.97:333:28
177.97:333:28
187.97:343:28
197.97:353:29
207.97:353:29
217.97:363:29
227.97:363:30
237.97:373:30
247.97:373:31
257.97:373:31
267.97:383:32
277.97:383:33
287.97:383:34
297.97:383:34
307.97:393:35
318.07:393:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.74 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.74 kWh/m² to a high of 5.33 kWh/m² in June across the year — December's 0.74 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Jasło?

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 Jasło.

What to pack for Jasło in December

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

In December, Jasło sees daytime highs around 1°C and nights near -3°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 Jasło 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 Jasło peaks around June 23 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 highHighModerateLowJun 23UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Jasło?

Jasło sits at 49.7°N, 21.5°E, 231 m above sea level, in Poland. The nearest listed city is Krosno, 22 km away.

TarnówRzeszówBardejovSanok

Topography around Jasło

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

Within 3 km, the terrain around Jasło has only modest variations in elevation — a maximum elevation change of 125 m around an average of 244 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 388 m; within 80 km, large variations in elevation — a maximum elevation change of 1,122 m.

The land around Jasło is covered by grassland (32%), trees (31%) and artificial surfaces (20%) within 3 km, trees (45%), cropland (28%) and grassland (24%) within 16 km, and trees (58%) and cropland (23%) within 80 km.

3 km
125 m
16 km
388 m
80 km
1,122 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Krosno 22 km · Gorlice 25 km · Dębica 34 km · Ropczyce 36 km · Tarnów 46 km · Rzeszów 50 km · Bardejov 52 km · Sanok 57 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 Jasło (49.7451°, 21.4725°, elevation 231 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).