Gradačac weather in December

In December, Gradačac sees average daytime highs of 5°C and overnight lows near -1°C, with 61 mm of precipitation across 9.8 wet days and about 8.7 hours of daylight. It is the 11th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 7°C in the first days to 4°C by the end. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Gradačac's 12th-clearest and 4th-windiest month. For the whole year in context, see Gradačac's year-round climate.

Daytime high
11th warmest
Overnight low
-1°
3rd coldest
Precipitation
61 mm
9.8 wet days
Daylight
8 h 36 min
7:24 AM – 4:01 PM
Cloud cover
71%
12th clearest
Wind
8 km/h
4th windiest
Solar energy
1.16 kWh/m²
Travel score
0.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 7°C in the first days to 4°C by the end.

A typical December day in Gradačac reaches about 5°C in the afternoon and slips back to -1°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 12°C. Set against its neighbours, December runs about 6°C cooler than November and on par with January.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
171
271
371
471
561
660
760
860
960
1060
1150
1250
135-1
145-1
155-1
165-1
175-1
185-1
195-1
205-1
215-1
225-1
235-2
244-2
254-2
264-2
274-2
284-2
294-2
304-2
314-2

How December really feels in Gradačac

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.

Gradačac weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°539.34.790.0
Feb / -1°529.34.110.11.0
Mar13° / 5910.42.111.63.5
Apr18° / 6811.40.413.25.5
May23° / 12°8412.7014.66.4
Jun26° / 15°8611.6015.36.5
Jul28° / 17°7510.10156.2
Aug28° / 17°578.1013.96.4
Sep23° / 12°679.3012.37.0
Oct18° / 577.8010.76.0
Nov11° / 619.11.99.42.8
Dec / -1°619.83.78.70.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23268
33169
43169
53070
63070
73070
83070
93169
103169
113268
123268
133268
143268
153169
163169
173169
183070
193070
203268
213268
223268
233268
243268
253466
263466
273565
283565
293565
303565
313664

Chance of precipitation in December

Any precipitationSnow

Gradačac gets around 61 mm of rain and snow over 9.8 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 32% and peaks near 33% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13210
23210
33310
43310
53310
63310
73310
83311
93311
103311
113311
123312
133312
143212
153212
163212
173213
183213
193113
203113
213113
223113
233113
243113
253113
263113
273114
283114
293114
303114
313114

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 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:11 AM to 7:30 AM, and sunset from 4:02 PM to 4:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:114:02
28.87:124:01
38.87:134:01
48.87:144:01
58.87:154:00
68.77:164:00
78.77:174:00
88.77:184:00
98.77:194:00
108.77:194:00
118.77:204:00
128.67:214:00
138.67:224:00
148.67:234:00
158.67:234:01
168.67:244:01
178.67:254:01
188.67:254:01
198.67:264:02
208.67:274:02
218.67:274:02
228.67:284:03
238.67:284:03
248.67:284:04
258.67:294:05
268.67:294:05
278.67:294:06
288.67:304:06
298.67:304:07
308.67:304:08
318.67:304:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 6.02 kWh/m² in July across the year — December's 1.16 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.1Dim
181.1Dim
191.1Dim
201.1Dim
211.2Dim
221.2Dim
231.2Dim
241.2Dim
251.2Dim
261.2Dim
271.2Dim
281.2Dim
291.2Dim
301.2Dim
311.2Dim
Planning a trip in December

Is December a good time to visit Gradačac?

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

0.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Gradačac.

What to pack for Gradačac in December

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

In December, Gradačac sees daytime highs around 5°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

UV index in Gradačac 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 Gradačac peaks around July 24 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 24UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Gradačac 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 Gradačac is worst in April — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1516 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar15Moderate
Apr16Moderate
May15Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep11Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Gradačac?

Gradačac sits at 44.9°N, 18.4°E, 139 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Gračanica, 22 km away.

GračanicaBrčkoDobojLukavacTuzlaSlavonski BrodĐakovoTeslic

Topography around Gradačac

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

Within 3 km, the terrain around Gradačac has only modest variations in elevation — a maximum elevation change of 184 m around an average of 170 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,370 m.

The land around Gradačac is covered by trees (47%) and grassland (33%) within 3 km, trees (56%) and cropland (24%) within 16 km, and trees (58%) and cropland (29%) within 80 km.

3 km
184 m
16 km
573 m
80 km
1,370 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Gračanica 22 km · Brčko 31 km · Doboj 31 km · Lukavac 38 km · Tuzla 42 km · Slavonski Brod 45 km · Đakovo 48 km · Teslic 54 km

Bosnia and Herzegovina travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 40% of US
price level, 2025
GDP per capita
$10,382
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
13.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 591
Religion
Muslim 51%Orthodox 31%Roman Catholic 15%other 1%

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 Gradačac (44.8785°, 18.4276°, elevation 139 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).