Trnava Weather in January
During January, Trnava experiences low daytime temperatures of 4°C (39°F) and cooler nights around -3°C (27°F). As part of the winter season, some snow/rainfall is to be expected.
Rainfall in Trnava in January
You can expect snow/rain on roughly 13 days based on historical data, averaging 43 mm (1.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Trnava in January
Daytime temperatures in Trnava reach 4°C (39°F) in January, dropping to -3°C (27°F) at night. January is a notable month of the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights drop below freezing to -3°C (27°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.
Sunshine in Trnava in January
The city usually sees around 62 hours of sunlight, indicating fewer sunny days.January in Trnava 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovakia, check out our Trnava's climate page.
Trnava Temperature in January
Min Temperature
-3°C (27°F)
Max Temperature
4°C (39°F)
Chance of Rain
44%
Precipitation
43 mm (1.7 in)
Rainy days
13 days
Humidity
84% *
Sunshine
62 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Trnava typically stay consistent throughout January, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows around -3°C (27°F).
Average temperatures in January
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
Historical weather for Trnava in January
Browse day-by-day weather records for Trnava spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trnava historical weather extremes in January
Based on 49 years of weather observations in Trnava between 1976 and 2025, these are the recorded extremes.
- The hottest January day on record in Trnava reached 19°C (66°F) (January 29, 2002).
- The heaviest January precipitation occurred on January 2, 2006, when 29 mm (1.1 in) of precipitation fell.
Best Places in Slovakia in January
Find out more about the weather in Slovakia and which places have the best travel conditions in this month. See all of Slovakia in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Trnava in January
We recommend to layer up for chilly conditions in Trnava 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Trnava in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovakia, check out our Trnava's climate page.
Temperature Rainfall Sunshine Humidity
See the full Trnava climate overview or explore weather in Slovakia.
