Trebinje Weather in January

January in Trebinje brings low temperatures, with daytime highs of 9°C (48°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 157 mm (6.2 in), so pack an umbrella.

Rainfall in Trebinje in January

This month experiences about 13 days of rain according to historical data, averaging 157 mm (6.2 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Trebinje in January

Expect highs of 9°C (48°F) in Trebinje in January, with nights dropping to around 2°C (36°F). During January, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.

Sunshine in Trebinje in January

The month brings about 130 hours of sunlight, offering a comfortable mix of sun and overcast.

Average water temperature in January

With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

January in Trebinje can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
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• December

For a detailed overview over the year and the best time to visit Bosnia and Herzegovina, check out our Trebinje's climate page.

Trebinje Temperature in January

Min Temperature 2°C (36°F)  

Max Temperature 9°C (48°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 43%  

Precipitation 157 mm (6.2 in)  

Rainy days 13 days  

Humidity 59% *  

Sunshine 130 hours *  

Percentage Sunshine 44% *  

* Data from: Dubrovnik, Croatia (20 KM, 12 Miles).

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Trebinje typically stay consistent throughout January, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 4°C (39°F).

Average temperatures in January

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Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

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Historical weather for Trebinje in January

Browse day-by-day weather records for Trebinje spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Trebinje historical weather extremes in January

Based on 49 years of weather observations in Trebinje between 1976 and 2025, these are the recorded extremes.

• The hottest January day on record in Trebinje reached 19°C (66°F) (January 11, 1997).
• The coldest January day was on January 7, 2017, with a maximum of -4°C (25°F).
• Nighttime temperatures dropped to -8°C (18°F) on January 30, 1999, marking the coldest January night on record.

What to Wear in Trebinje in January

We recommend to layer up for chilly conditions in Trebinje in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Trebinje in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Bosnia and Herzegovina, check out our Trebinje's climate page.

More climate data for Trebinje

Temperature Rainfall Sunshine Humidity Water Temp

See the full Trebinje climate overview or explore weather in Bosnia and Herzegovina.