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 sea temperature 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
With the onset of December, the average high-temperature in Pärnu subtly recedes from November's wintry 4.6°C (40.3°F) to a still icy 1°C (33.8°F). Pärnu maintains a minor drop in temperature during December nights, with averages of -2.5°C (27.5°F).Humidity
In Pärnu, Estonia, the average relative humidity in December is 90%.Rainfall
In Pärnu, during December, the rain falls for 15 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 175.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Pärnu, Estonia, in December, during 16.9 snowfall days, 139mm (5.47") of snow is typically accumulated. In Pärnu, during the entire year, snow falls for 84.5 days and aggregates up to 726mm (28.58") of snow.Sea temperature
In December, the average sea temperature in Pärnu, Estonia, is 3.8°C (38.8°F).Note: In the course of swimming, this situation is life-threatening and fraught with risk. The severe cold of the water leads to immediate hyperventilation. Wearing a specialized swimsuit is critical to limit thermal injury.
Daylight
The month with the shortest days in Pärnu, Estonia, is December, with an average of 6h and 30min of daylight.On the first day of December, sunrise is at 08:45 and sunset at 15:37. On the last day of the month, sunrise is at 09:10 and sunset at 15:39 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.7h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Pärnu. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Pärnu in December?
What is the average humidity in December in Pärnu?
How many days does it rain in December in Pärnu?
How many days does it snow in December in Pärnu?
What is the sea temperature in December in Pärnu?
What is the month with the shortest days in Pärnu?
What is the average length of the day in December in Pärnu?
When is the sunrise / sunset in December in Pärnu?
What is the month with the least sunshine in Pärnu?
How long on average sun shines in December in Pärnu?
What is the month with the lowest UV index in Pärnu?
What is the UV index reading in December in Pärnu?
Average temperature in December
Pärnu, Estonia
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure in December
Pärnu, Estonia
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in December
Pärnu, Estonia
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity in December
Pärnu, Estonia
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in December
Pärnu, Estonia
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Pärnu, Estonia
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Pärnu, Estonia
- Average snowfall in December: 139mm
The month with the highest snowfall is February (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Pärnu, Estonia
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Pärnu, Estonia
- Average sea temperature in December: 3.8°C
The best month for swimming (with the highest average sea temperature) is July (19.9°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).
Average daylight in December /
Average sunshine in December
Pärnu, Estonia
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 1h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Pärnu, Estonia
- Average sunshine days in December: 4 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in December
Pärnu, Estonia
- Average UV index in December: 1
The months with the highest UV index are June and 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
Pärnu, Estonia
- Average cloud cover in December: 79
The month with the most cloud cover is December (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Pärnu, Estonia
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).
Pärnu, Estonia
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