December weather forecastHeibri, Estonia

December

Weather in December

December, the first month of the winter in Heibri, is also a subzero cold month, with an average temperature fluctuating between -1°C (30.2°F) and -4.3°C (24.3°F).

Temperature

The arrival of December corresponds with a light shift in temperature, down from an icy 3.3°C (37.9°F) in November to a subzero cold -1°C (30.2°F). Heibri reports an average low temperature of -4.3°C (24.3°F) in December, a minor decrease from the day's highs.

Humidity

In December, the average relative humidity in Heibri is 92%.

Rainfall

In Heibri, in December, during 9.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Heibri, during the entire year, the rain falls for 160.5 days and collects up to 490mm (19.29") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 19.2 days. Throughout December, 170mm (6.69") of snow is accumulated. Throughout the year, in Heibri, there are 90 snowfall days, and 807mm (31.77") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6h and 42min of daylight.
On the first day of December, sunrise is at 08:30 and sunset at 15:32. On the last day of the month, sunrise is at 08:55 and sunset at 15:35 EET.

Sunshine

In Heibri, the average sunshine in December is 1.9h.

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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

The high-temperature, in December, in Heibri, records -1°C (30.2°F), while the low-temperature is -4.3°C (24.3°F).

The average relative humidity in December in Heibri, Estonia, is 92%.

In Heibri, during December, the rain falls for 9.5 days and regularly aggregates up to 36mm (1.42") of precipitation.

In December, in Heibri, it is snowing for 19.2 days. Throughout December, 170mm (6.69") of snow is accumulated.

December has the shortest days of the year in Heibri, Estonia, with an average of 6h and 42min of daylight.

The average day length in December in Heibri, Estonia, is 6h and 41min.

In December, on the first day of the month, sunrise is at 08:30 and sunset at 15:32. On the last day of the month, sunrise is at 08:55 and sunset at 15:35 EET.

The average sunshine duration in December in Heibri, Estonia, is 1.9h.

The months with the lowest UV index in Heibri, Estonia, are January through March, November and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Heibri, Estonia, is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Heibri, Estonia

  • Average high temperature in December: -1°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in December: -4.3°C

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).

Average pressure in December
Heibri, Estonia

  • Average pressure in December: 1011.6mbar

The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).

Average wind speed in December
Heibri, Estonia

  • Average wind speed in December: 14.4km/h

The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).

Average humidity in December
Heibri, Estonia

  • Average humidity in December: 92%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December
Heibri, Estonia

  • Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in December
Heibri, Estonia

  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in December
Heibri, Estonia

  • Average snowfall in December: 170mm

The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Heibri, Estonia

  • Average snowfall days in December: 19.2 days

The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Heibri, Estonia

  • Average daylight in December: 6h and 42min

The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).

  • Average sunshine in December: 1h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).

Average sunshine days in December
Heibri, Estonia

  • Average sunshine days in December: 6.2 days

The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).

Average UV index in December
Heibri, 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
Heibri, Estonia

  • Average cloud cover in December: 83

The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).

Average visibility in December
Heibri, Estonia

  • Average visibility in December: 7km

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