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Sunny Beach in January sees low temperatures, with highs around 7°C (45°F) and overnight lows of 1°C (34°F). Around 58 mm (2.3 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.
January in Sunny Beach has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Sunny Beach - and find the best time to visit.
50-year average (1976-2026)
Based on our historical records, temperatures in Sunny Beach typically stay consistent throughout January, with daily highs averaging around 7°C (45°F). Nights are very cold, with lows typically ranging from -2°C (28°F) to 0°C (32°F).
50-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Sunny Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Sunny Beach from 1997 through 2025.
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 9°C (48°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. With limited sunshine expected, sunglasses aren't a priority for packing.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sunny Beach climate overview or explore weather in Bulgaria.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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