Neptun Weather & Climate: Best Time to Visit
Neptun, Constanţa, Romania, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in August, while winters cool to 6°C (43°F) in January.
Neptun sees a moderate amount of rain/snowfall, totalling around 563 mm (22 in) per year. It experiences a distinct dry season from July to August, creating some seasonal variation. Sunshine peaks in July, when the city sees around 10.9 hours of sunshine per day.
Monthly Temperature in Neptun
Depending on the time of the year, temperatures range from comfortable to chilly in Neptun. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in August, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in August to around 1°C (34°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Neptun
Generally, Neptun has a moderate amount of precipitation, averaging 563 mm (22 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 58 mm (2.3 in) of precipitation, spread over 7 rainy days.
In contrast, the driest month August experiences a drier climate, with about 34 mm (1.3 in) of rainfall spread across 5 rainy days. For more details, please visit our Neptun Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Neptun
Seasonal changes in sunshine hours are quite dramatic in Neptun. While July receives considerable daily sunshine with up to 10.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Neptun by Month
The city experiences its highest humidity in December, reaching 88%. In July, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Neptun 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Neptun
During the months of May, June, July, August, September and October, Neptun enjoys pleasant weather with average temperatures ranging from 19°C (65°F) to 29°C (83°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 34 mm (1.3 in) in August to 58 mm (2.3 in) in October. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
