December weather forecastCostești, Romania
December weather for Costești, Romania: December has the shortest days of the year in Costești, Romania, with an average of 8h and 54min of daylight. In Costești, in December, snow falls for 4.8 days, with typically accumulated 55mm (2.17") of snow.
December
Weather in December
The first month of the winter, December, is also an icy month in Costești, Romania, with an average temperature fluctuating between -1.2°C (29.8°F) and 4.6°C (40.3°F).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a fresh 10.5°C (50.9°F) in November to an icy 4.6°C (40.3°F). During December, the nighttime temperature in Costești averages to a freezing cold -1.2°C (29.8°F).Humidity
In December, the average relative humidity is 78%.Rainfall
In Costești, in December, during 7.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Costești, Romania, during the entire year, the rain falls for 128.2 days and collects up to 442mm (17.4") of precipitation.Snowfall
Months with snowfall in Costești are January through April, November and December. In Costești, in December, snow falls for 4.8 days, with typically accumulated 55mm (2.17") of snow. In Costești, during the entire year, snow falls for 26.8 days and aggregates up to 366mm (14.41") of snow.Daylight
December has the shortest days of the year in Costești, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 07:37 and sunset at 16:41. On the last day of December, in Costești, sunrise is at 07:57 and sunset at 16:50 EET.
Sunshine
In December, the average sunshine is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Costești, Romania. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Costești, Romania
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Costești, Romania
- Average pressure in December: 1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in December
Costești, Romania
- Average wind speed in December: 7.6km/h
The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest months (with the lowest average wind speed) are November and December (7.6km/h).
Average humidity in December
Costești, Romania
- Average humidity in December: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Costești, Romania
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in December
Costești, Romania
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is September (5.1 days).
Average snowfall in December
Costești, Romania
- Average snowfall in December: 55mm
The month with the highest snowfall is January (124mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Costești, Romania
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (8.7 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
Costești, Romania
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Costești, Romania
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is September (24.1 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Costești, 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
Costești, Romania
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Costești, Romania
- Average visibility in December: 9km
The months with the highest visibility are April, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
