Jajce weather in January

In January, Jajce sees average daytime highs of 3°C and overnight lows near -4°C, with 82 mm of precipitation across 11.7 wet days and about 9 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 3°C through the month. The sky is clear or mostly clear about 24% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Jajce's 12th-clearest and 6th-windiest month. For the whole year in context, see Jajce's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
82 mm
11.7 wet days
Daylight
9 hours
7:30 AM – 4:31 PM
Cloud cover
68%
12th clearest
Wind
8 km/h
6th windiest
Solar energy
1.54 kWh/m²
Travel score
0.0
out of 10

Jajce is town in Bosnia and Herzegovina.

Air quality
Good
PM10 17.4 µg/m³ · 2019
Density
3/km²
people per km²

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 3°C through the month.

A typical January day in Jajce reaches about 3°C in the afternoon and slips back to -4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -3°C and 9°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-15°-10°-5°10°151015202531
Avg high (°C)Avg low (°C)
13-4
23-4
33-4
43-4
53-4
63-4
73-4
83-4
93-4
103-4
113-4
123-4
133-4
143-4
153-4
163-4
173-4
183-4
193-4
203-4
213-4
223-4
233-4
243-4
253-4
263-4
273-4
283-4
293-4
303-4
313-4

How January really feels in Jajce

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.

Jajce weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°8211.79.890.0
Feb / -4°8011.79.410.20.1
Mar / -1°8612.77.611.61.5
Apr14° / 101143.413.23.5
May18° / 11314.90.514.65.2
Jun22° / 11°8512.5015.36.3
Jul24° / 13°7611.30157.1
Aug24° / 13°629.9013.87.2
Sep19° / 9011.10.112.36.0
Oct15° / 749.31.310.84.7
Nov / 9110.74.99.42.0
Dec / -3°9812.38.58.70.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33565
43565
53565
63565
73565
83664
93565
103565
113565
123565
133664
143664
153664
163664
173664
183664
193565
203367
213367
223367
233367
243367
253367
263367
273268
283367
293367
303367
313367

Chance of precipitation in January

Any precipitationSnow

Jajce gets around 82 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 38% and peaks near 41% on the wettest days, and about 10 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14130
24130
34030
43929
53829
63829
73728
83628
93628
103528
113528
123528
133528
143529
153629
163630
173731
183732
193833
203833
213934
223934
233934
244034
254034
264034
274033
283933
293933
303932
313932

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 8 km/h in January.

Across January, 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.

051015151015202531
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 January

DaylightNight

Daylight runs from about 8 h 42 min at the start of January to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 7:33 AM to 7:19 AM, and sunset from 4:16 PM to 4:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.77:334:16
28.77:334:16
38.77:334:17
48.87:334:18
58.87:334:19
68.87:334:20
78.87:334:21
88.87:324:22
98.87:324:23
108.97:324:24
118.97:324:25
128.97:314:26
138.97:314:27
149.07:314:28
159.07:304:29
169.07:304:31
179.07:294:32
189.17:294:33
199.17:284:34
209.17:284:35
219.27:274:37
229.27:264:38
239.27:264:39
249.37:254:40
259.37:244:42
269.37:234:43
279.47:224:44
289.47:224:46
299.47:214:47
309.57:204:48
319.57:194:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.54 kWh/m².

For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 6.05 kWh/m² in July across the year — January's 1.54 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.3Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.4Dim
111.4Dim
121.5Dim
131.5Dim
141.5Dim
151.5Dim
161.5Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.8Dim
281.8Dim
291.8Dim
301.8Dim
311.9Dim
Planning a trip in January

Is January a good time to visit Jajce?

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

0.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Jajce.

What to pack for Jajce in January

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

In January, Jajce sees daytime highs around 3°C and nights near -4°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 Jajce 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 Jajce peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJun 23UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Jajce?

Jajce sits at 44.3°N, 17.3°E, 0 m above sea level, in Bosnia and Herzegovina. The nearest listed city is Travnik, 34 km away.

TravnikBugojnoBanja LukaZenicaTeslicDobojVisokoPrijedor

Topography around Jajce

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

Within 3 km, the terrain around Jajce has significant variations in elevation — a maximum elevation change of 584 m around an average of 549 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,206 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,995 m.

The land around Jajce is covered by trees (68%) and grassland (26%) within 3 km, trees (79%) and grassland (20%) within 16 km, and trees (67%) and grassland (27%) within 80 km.

3 km
584 m
16 km
1,206 m
80 km
1,995 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Travnik 34 km · Bugojno 35 km · Banja Luka 49 km · Zenica 53 km · Teslic 55 km · Doboj 78 km · Visoko 82 km · Prijedor 83 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 Jajce (44.342°, 17.2706°, elevation 0 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).