ClimateForecastDecemberJanuary >>

Neptun Climate by Month

The temperature in Neptun can vary greatly throughout the year. The temperatures shift from warm to cold. It receives mid-range precipitation levels. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Neptun. Average daytime temperatures range from a comfortable 29°C in August, the warmest time of the year, to a chilly 6°C during cooler months like January. At night, temperatures typically average around 1°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Neptun has a moderate amount of precipitation, averaging 563 mm of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 58 mm of precipitation, spread over 7 rainy days.

In contrast, August experiences a drier climate, with about 34 mm of rainfall spread across 5 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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.

Monthly hours of sunshine

Data from: Constanţa, Romania (39 KM, 24 Miles).

Daily hours of sunshine

Data from: Constanţa, Romania (39 KM, 24 Miles).

The best time of year to visit Neptun in Romania

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Neptun?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Neptun?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Neptun?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Neptun?
    October tops the wettest month list with 58 mm of rainfall.
  • Which is the driest month in Neptun?
    August is the driest month with 34 mm of precipitation.
  • Which is the sunniest month in Neptun?
    July is the sunniest month with an average of 326 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Neptun

    Sun   Dec 15
    7°C | 2°C
    W 22 km/h
    broken clouds and no rain

    broken clouds and no rain

    Mon   Dec 16
    7°C | -1°C
    W 25 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Tue   Dec 17
    12°C | 4°C
    W 22 km/h
    clear and no rain

    clear and no rain