Neptun Weather in December
In Neptun, December brings low daytime temperatures around 8°C (46°F), with nights cooling to 3°C (37°F). Some rainfall is to be expected.
Rainfall in Neptun in December
Historically, December sees about 10 days of rain, with a monthly average of 51 mm (2 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Neptun in December
Neptun in December gets highs of 8°C (46°F) during the day and drops to 3°C (37°F) at night. Winter occurs in December. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Neptun in December
This month sees fewer sunny days, with about 81 hours of sunshine, perfect for those who enjoy cooler temperatures.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Neptun.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Neptun's climate page.
Neptun Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
8°C (46°F)
Chance of Rain
32%
Precipitation
51 mm (2 in)
Rainy days
10 days
Humidity
88% *
Sunshine
81 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Neptun typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are cold, with lows typically ranging from -2°C (28°F) to 2°C (36°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Neptun in December
Browse day-by-day weather records for Neptun spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Neptun historical weather extremes in December
Based on 28 years of weather observations (1997-2025), these are the most extreme conditions recorded in Neptun.
- On December 2, 2023, temperatures climbed to 21°C (70°F), marking the warmest December day on record.
Best Places in Romania in December
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Neptun in December
Dress warmly and in layers for your trip to Neptun in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Neptun in December
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 Romania, check out our Neptun's climate page.
Temperature Rainfall Sunshine Humidity
See the full Neptun climate overview or explore weather in Romania.
