December weather forecastCostomiru, Romania
December
Weather in December
December, the first month of the winter in Costomiru, is still a cold month, with an average temperature fluctuating between -0.9°C (30.4°F) and 5°C (41°F).Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a cool 10.7°C (51.3°F) in November to a cold 5°C (41°F). During December nights, Costomiru records an average temperature of -0.9°C (30.4°F).Humidity
In Costomiru, the average relative humidity in December is 76%.Rainfall
In Costomiru, during December, the rain falls for 7.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Costomiru, during the entire year, the rain falls for 112.5 days and collects up to 365mm (14.37") of precipitation.Snowfall
January through April, November and December are months with snowfall in Costomiru. In Costomiru, in December, snow falls for 4.3 days, with typically accumulated 54mm (2.13") of snow. In Costomiru, Romania, during the entire year, snow falls for 18.9 days and aggregates up to 219mm (8.62") of snow.Daylight
The month with the shortest days in Costomiru, Romania, is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:32 and sunset at 16:31. On the last day of December, in Costomiru, sunrise is at 07:52 and sunset at 16:39 EET.
Sunshine
The average sunshine in December in Costomiru is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Costomiru, Romania
- Average high temperature in December: 5°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Costomiru, Romania
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are June and July (1013.1mbar).
Average wind speed in December
Costomiru, Romania
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is November (10.5km/h).
Average humidity in December
Costomiru, Romania
- Average humidity in December: 76%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Costomiru, Romania
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in December
Costomiru, Romania
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in December
Costomiru, Romania
- Average snowfall in December: 54mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Costomiru, Romania
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Costomiru, Romania
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Costomiru, Romania
- Average sunshine days in December: 20 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in December
Costomiru, Romania
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Costomiru, Romania
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Costomiru, Romania
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
