December weather forecastRoja, Latvia
December
Weather in December
December, the first month of the winter in Roja, is also an icy month, with an average temperature fluctuating between 0.2°C (32.4°F) and 2.4°C (36.3°F).Temperature
As November transitions into December, Roja sees a gentle drop in the average high-temperature, transitioning from a frosty 6°C (42.8°F) to a cold 2.4°C (36.3°F). Consistently, Roja reports average nighttime temperatures of 0.2°C (32.4°F) during December, a marginal step down from its daytime highs.Humidity
In December, the average relative humidity is 86%.Rainfall
In Roja, during December, the rain falls for 9.1 days and regularly aggregates up to 18mm (0.71") of precipitation. In Roja, during the entire year, the rain falls for 139.3 days and collects up to 295mm (11.61") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Roja, in December, snow falls for 9.2 days, with typically accumulated 39mm (1.54") of snow. Throughout the year, there are 49.3 snowfall days, and 183mm (7.2") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 6h and 42min of daylight.On the first day of December in Roja, sunrise is at 08:45 and sunset at 15:50. On the last day of the month, sunrise is at 09:10 and sunset at 15:53 EET.
Sunshine
December has the least sunshine of the year in Roja, with an average of 2.2h of sunshine.UV index
The months with the lowest UV index are January, March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roja, Latvia
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The months with the lowest average high temperature are January and February (-0.3°C).
- Average low temperature in December: 0.2°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-3°C).
Average pressure in December
Roja, Latvia
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is October (1015.6mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).
Average wind speed in December
Roja, Latvia
- Average wind speed in December: 24.4km/h
The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is May (15.5km/h).
Average humidity in December
Roja, Latvia
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are May, June, July and August (75%).
Average rainfall in December
Roja, Latvia
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Roja, Latvia
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Roja, Latvia
- Average snowfall in December: 39mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Roja, Latvia
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roja, Latvia
- Average daylight in December: 6h and 42min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 2h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in December
Roja, Latvia
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Roja, Latvia
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in December
Roja, Latvia
- Average cloud cover in December: 74
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Roja, Latvia
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
