Senica weather in December

In December, Senica sees average daytime highs of 3°C and overnight lows near -2°C, with 42 mm of precipitation across 9.2 wet days and about 8.1 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 4°C in the first days to 2°C by the end. The sky is clear or mostly clear about 14% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 24 min at the start of December to 8 h 06 min by month's end. Set against the rest of the year, December is Senica's 11th-clearest and 4th-windiest month. For the whole year in context, see Senica's year-round climate.

Daytime high
11th warmest
Overnight low
-2°
3rd coldest
Precipitation
42 mm
9.2 wet days
Daylight
8 h 06 min
7:44 AM – 3:49 PM
Cloud cover
74%
11th clearest
Wind
12 km/h
4th windiest
Solar energy
0.81 kWh/m²
Travel score
0.0
out of 10

Senica is town in Slovakia.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019
Density
385/km²
people per km²
Founded
1217

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 4°C in the first days to 2°C by the end.

A typical December day in Senica reaches about 3°C in the afternoon and slips back to -2°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 8°C. Set against its neighbours, December runs about 5°C cooler than November and on par with January.

-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
140
240
340
440
540
640
74-1
83-1
93-1
103-1
113-1
123-1
133-1
143-1
153-1
163-2
172-2
182-2
192-2
202-2
212-2
222-2
232-2
242-2
252-2
262-3
272-3
282-3
292-3
302-3
312-3

How December really feels in Senica

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.

Senica 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 / -3°3694.88.50.0
Feb / -2°358.33.99.80.1
Mar / 4392.111.62.0
Apr15° / 468.80.413.44.8
May20° / 10°7411.70156.0
Jun24° / 14°8411.6015.96.6
Jul26° / 15°9211.8015.56.6
Aug26° / 15°7410.2014.26.8
Sep20° / 11°719.3012.46.4
Oct14° / 488.80.210.54.1
Nov / 469.1291.2
Dec / -2°429.23.88.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32476
42476
52476
62476
72377
82476
92476
102476
112476
122377
132476
142476
152476
162476
172575
182476
192476
202674
212773
222773
232872
242971
252971
263070
273070
283070
293070
303070
313070

Chance of precipitation in December

Any precipitationSnow

Senica gets around 42 mm of rain and snow over 9.2 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 30% and peaks near 32% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12811
22911
32911
43011
53011
63011
73011
83011
93011
102911
112911
122911
132912
142912
152912
162912
172913
182913
192913
202913
212914
223014
233014
243015
253115
263115
273215
283215
293215
303215
313215

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 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

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

Days shrink by about 18 minutes over December. Sunrise moves from 7:29 AM to 7:50 AM, and sunset from 3:51 PM to 3:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.47:293:51
28.37:303:51
38.37:323:50
48.37:333:50
58.37:343:50
68.27:353:49
78.27:363:49
88.27:373:49
98.27:383:49
108.27:393:49
118.17:403:49
128.17:413:49
138.17:423:49
148.17:433:49
158.17:433:49
168.17:443:49
178.17:453:50
188.17:453:50
198.17:463:50
208.17:473:50
218.17:473:51
228.17:483:51
238.17:483:52
248.17:493:52
258.17:493:53
268.17:493:54
278.17:503:54
288.17:503:55
298.17:503:56
308.17:503:56
318.17:503:57

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.81 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.81 kWh/m² to a high of 5.75 kWh/m² in June across the year — December's 0.81 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.9Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.8Dim
80.8Dim
90.8Dim
100.8Dim
110.8Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.8Dim
190.8Dim
200.8Dim
210.8Dim
220.8Dim
230.8Dim
240.8Dim
250.8Dim
260.8Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.9Dim
Planning a trip in December

Is December a good time to visit Senica?

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

0.0
Sightseeing
11th-best month of the year
0.0
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Senica.

What to pack for Senica in December

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

In December, Senica sees daytime highs around 3°C and nights near -2°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Senica 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 Senica peaks around July 11 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 highHighModerateLowJul 11UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Senica in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Senica is worst in June — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Senica's WHO annual average of 13.9 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1516 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Moderate
Mar16Moderate
Apr16Moderate
May16Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Senica?

Senica sits at 48.7°N, 17.4°E, 209 m above sea level, in Slovakia. The nearest listed city is Skalica, 21 km away.

HodonínPiešťanyNové Mesto nad VáhomBřeclavMalackyTrnavaHlohovec

Topography around Senica

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

Within 3 km, the terrain around Senica has only modest variations in elevation — a maximum elevation change of 109 m around an average of 215 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 455 m; within 80 km, large variations in elevation — a maximum elevation change of 933 m.

The land around Senica is covered by cropland (68%) within 3 km, trees (45%) and cropland (36%) within 16 km, and cropland (51%) and trees (34%) within 80 km.

3 km
109 m
16 km
455 m
80 km
933 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Skalica 21 km · Hodonín 26 km · Piešťany 35 km · Nové Mesto nad Váhom 35 km · Břeclav 37 km · Malacky 37 km · Trnava 37 km · Hlohovec 42 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

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 Senica (48.6792°, 17.367°, elevation 209 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).