December weather forecast
Helme, Estonia

December

Weather in December

December, the first month of the winter in Helme, is also a subzero cold month, with an average temperature varying between -0.4°C (31.3°F) and -3.9°C (25°F).

Temperature

With the onset of December, Helme's average high-temperature slightly adjusts, moderately receding from November's wintry 3.5°C (38.3°F) to a subzero cold -0.4°C (31.3°F). Helme documents an average low-temperature of -3.9°C (25°F) for the nights of December.

Humidity

The average relative humidity in December is 92%.

Rainfall

In Helme, during December, the rain falls for 10.9 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 164.5 rainfall days, and 500mm (19.69") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 18.5 days. Throughout December, 153mm (6.02") of snow is accumulated. In Helme, during the entire year, snow falls for 87.8 days and aggregates up to 764mm (30.08") of snow.

Daylight

With an average of 6h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 08:37 and sunset at 15:34. On the last day of the month, sunrise is at 09:01 and sunset at 15:37 EET.

Sunshine

With an average of 1.8h of sunshine, December has the least sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?
During December, Helme experiences an average high-temperature of -0.4°C (31.3°F) and a low-temperature of -3.9°C (25°F).
What is the average humidity in December?
In December, the average relative humidity is 92%.
How many days does it rain in December?
In December, in Helme, the rain falls for 10.9 days. Throughout December, 35mm (1.38") of precipitation is accumulated.
How many days does it snow in December?
In December, it is snowing for 18.5 days. Throughout December, 153mm (6.02") of snow is accumulated.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 6h and 36min of daylight.
What is the average length of the day in December?
In December, the average day length is 6h and 36min.
When is the sunrise / sunset in December?
On the first day of December, sunrise is at 08:37 and sunset at 15:34. On the last day of the month, sunrise is at 09:01 and sunset at 15:37 EET.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 1.8h of sunshine.
How many hours of sunshine does Helme have in December?
In December, the average sunshine duration is 1.8h.
When is the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
What is the UV index intensity in December?
In Helme, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Helme, Estonia
  • Average high temperature in December: -0.4°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in December: -3.9°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).

Average pressure in December
Helme, Estonia
  • Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is October (1015.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in December
Helme, Estonia
  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in December
Helme, Estonia
  • Average humidity in December: 92%

The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (72%).

Average rainfall in December
Helme, Estonia
  • Average rainfall in December: 35mm

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in December
Helme, Estonia
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in December
Helme, Estonia
  • Average snowfall in December: 153mm

The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Helme, Estonia
  • Average snowfall days in December: 18.5 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Helme, Estonia
  • Average daylight in December: 6h and 4min

The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).

  • Average sunshine in December: 1h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average sunshine days in December
Helme, Estonia
  • Average sunshine days in December: 4.9 days

The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (4.9 days).

Average UV index in December
Helme, 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
Helme, Estonia
  • Average cloud cover in December: 81

The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are May and July (Cloud cover 41).

Average visibility in December
Helme, Estonia
  • Average visibility in December: 7km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).

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