Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a cool 10.7°C (51.3°F) in November to a cold 5°C (41°F). During the month of December, an average temperature of -0.9°C (30.4°F) is noted during the nights.Humidity
The average relative humidity in December in Costieni is 76%.Rainfall
In Costieni, in December, it is raining for 7.5 days, with typically 32mm (1.26") of accumulated precipitation. In Costieni, 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 December, it is snowing for 4.3 days. Throughout December, 54mm (2.13") of snow is accumulated. Throughout the year, in Costieni, there are 18.9 snowfall days, and 219mm (8.62") of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Costieni, sunrise is at 07:31 and sunset at 16:30. On the last day of the month, sunrise is at 07:50 and sunset at 16:39 EET.
Sunshine
In December, the average sunshine in Costieni is 5.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold does it get in Costieni in December?
What is the average humidity in December in Costieni?
How many days does it rain in December in Costieni?
How many days does it snow in December in Costieni?
What is the month with the shortest days in Costieni?
What is the average length of the day in December in Costieni?
What time are sunrise and sunset in December in Costieni?
How long on average sun shines in December in Costieni?
What are the months with the lowest UV index in Costieni?
What is the UV index intensity in December in Costieni?
Average temperature in December
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, Romania
- Average daylight in December: 8h and 5min
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 4min
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
Costieni, 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
Costieni, 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
Costieni, 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
Costieni, 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).
Costieni, Romania
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