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
Rocca al Mare's December weather shows a modest shift in high-temperatures, falling from November's 4.5°C (40.1°F) to a still wintry 1°C (33.8°F). During December, nights cool slightly to an average low of -2.3°C (27.9°F).Humidity
In Rocca al Mare, the average relative humidity in December is 89%.Rainfall
In Rocca al Mare, in December, it is raining for 14.1 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, in Rocca al Mare, there are 176.6 rainfall days, and 578mm (22.76") of precipitation is accumulated.Snowfall
Months with snowfall in Rocca al Mare are January through May, October through December. In Rocca al Mare, in December, snow falls for 17.8 days, with typically accumulated 149mm (5.87") of snow. In Rocca al Mare, during the entire year, snow falls for 90.7 days and aggregates up to 792mm (31.18") of snow.Daylight
The month with the shortest days in Rocca al Mare is December, with an average of 6h and 12min of daylight.On the first day of December in Rocca al Mare, Estonia, sunrise is at 08:52 and sunset at 15:28. On the last day of the month, sunrise is at 09:18 and sunset at 15:30 EET.
Sunshine
December has the least sunshine of the year in Rocca al Mare, with an average of 1.7h of sunshine.UV index
The months with the lowest UV index in Rocca al Mare are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rocca al Mare in December?
What is the average humidity in December in Rocca al Mare?
How much does it rain in Rocca al Mare in December?
How much does it snow in Rocca al Mare in December?
What is the month with the shortest days in Rocca al Mare?
How many hours of daylight does Rocca al Mare have in December?
When are sunrise and sunset in December in Rocca al Mare?
What is the month with the least sunshine in Rocca al Mare?
How long on average sun shines in December in Rocca al Mare?
When is the lowest UV index in Rocca al Mare?
How high is the UV index in December in Rocca al Mare?
Average temperature in December
Rocca al Mare, Estonia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in December: -2.3°C
The month with the highest average low temperature is July (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.3°C).
Average pressure in December
Rocca al Mare, Estonia
- Average pressure in December: 1009.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Rocca al Mare, Estonia
- Average wind speed in December: 19.6km/h
The windiest month (with the highest average wind speed) is December (19.6km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in December
Rocca al Mare, Estonia
- Average humidity in December: 89%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Rocca al Mare, Estonia
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in December
Rocca al Mare, Estonia
- Average rainfall days in December: 14.1 days
The months with the highest number of rainy days are July and August (19.6 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Rocca al Mare, Estonia
- Average snowfall in December: 149mm
The month with the highest snowfall is February (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rocca al Mare, Estonia
- Average snowfall days in December: 17.8 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rocca al Mare, Estonia
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Rocca al Mare, Estonia
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in December
Rocca al Mare, Estonia
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Rocca al Mare, Estonia
- Average cloud cover in December: 78
The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Rocca al Mare, Estonia
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
