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
December
Weather in December
Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 10.4°C (50.7°F) in November to a cold 4.5°C (40.1°F). In December, Siacu encounters an average low-temperature of -1.5°C (29.3°F) during the night.Humidity
In Siacu, the average relative humidity in December is 77%.Rainfall
In December, in Siacu, the rain falls for 9.5 days. Throughout December, 29mm (1.14") of precipitation is accumulated. Throughout the year, in Siacu, there are 137.5 rainfall days, and 383mm (15.08") of precipitation is accumulated.Snowfall
Months with snowfall in Siacu are January through April, November and December. In Siacu, Romania, during December, snow falls for 4.2 days and regularly aggregates up to 51mm (2.01") of snow. In Siacu, during the entire year, snow falls for 21 days and aggregates up to 276mm (10.87") of snow.Daylight
The month with the shortest days in Siacu is December, with an average of 8h and 54min of daylight.On the first day of December in Siacu, sunrise is at 07:44 and sunset at 16:48. On the last day of the month, sunrise is at 08:04 and sunset at 16:56 EET.
Sunshine
In December, the average sunshine is 6.1h.UV index
The months with the lowest UV index in Siacu are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Siacu?
What is the average humidity in December in Siacu?
How many days does it rain in December in Siacu?
How much does it snow in Siacu in December?
What is the month with the shortest days in Siacu?
How many hours of daylight does Siacu have in December?
When is the sunrise / sunset in December in Siacu?
How long on average sun shines in December in Siacu?
When is the lowest UV index in Siacu?
What is the UV index intensity in December in Siacu?
Average temperature in December
Siacu, Romania
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in December
Siacu, Romania
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).
Average wind speed in December
Siacu, Romania
- Average wind speed in December: 5.8km/h
The windiest months (with the highest average wind speed) are March and April (7.5km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in December
Siacu, Romania
- Average humidity in December: 77%
The months with the highest relative humidity are January and February (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Siacu, Romania
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is May (59mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in December
Siacu, Romania
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is September (6.9 days).
Average snowfall in December
Siacu, Romania
- Average snowfall in December: 51mm
The month with the highest snowfall is February (78mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Siacu, Romania
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siacu, Romania
- Average daylight in December: 8h and 5min
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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Siacu, Romania
- Average sunshine days in December: 17.5 days
The months with the most sunshine days are September and October (19.4 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in December
Siacu, 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
Siacu, Romania
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Siacu, Romania
- Average visibility in December: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
