December weather forecast
Herne Hill, United Kingdom

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Weather in December

The first month of the winter, December, is still a chilly month in Herne Hill, United Kingdom, with an average temperature varying between 3.5°C (38.3°F) and 7.8°C (46°F).

Temperature

The commencement of December introduces an average high-temperature of a frosty 7.8°C (46°F), closely mirroring the preceding month. Herne Hill experiences an average nighttime temperature of 3.5°C (38.3°F) in December, reflecting a minor difference from the day's peak.

Humidity

December is the most humid month, with an average relative humidity of 88%.

Rainfall

The months with the most rainfall in Herne Hill are June and December, with an average 40mm (1.57") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Herne Hill, during December, snow falls for 1.5 days and regularly aggregates up to 9mm (0.35") of snow. In Herne Hill, during the entire year, snow falls for 7.6 days and aggregates up to 44mm (1.73") of snow.

Daylight

The month with the shortest days is December, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 3:55 pm. On the last day of December, sunrise is at 8:05 am and sunset at 4:01 pm GMT.

Sunshine

The average sunshine in December in Herne Hill is 4.2h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the usual temperature for Herne Hill in December?

The average high-temperature and low-temperature in Herne Hill, United Kingdom, during December are 7.8°C (46°F) and 3.5°C (38.3°F) respectively.

What is the most humid month in Herne Hill?

The most humid month in Herne Hill, United Kingdom, is December, with an average relative humidity of 88%.

What is the average humidity in December in Herne Hill?

In December, the average relative humidity is 88%.

What is the wettest month in Herne Hill?

The months with the most rainfall are June and December, with an average 40mm (1.57") of precipitation.

How much does it rain in Herne Hill in December?

In Herne Hill, United Kingdom, in December, it is raining for 12.8 days, with typically 40mm (1.57") of accumulated precipitation.

How many days does it snow in December in Herne Hill?

In Herne Hill, United Kingdom, during December, snow falls for 1.5 days and regularly aggregates up to 9mm (0.35") of snow.

What is the month with the shortest days in Herne Hill?

The month with the shortest days is December, with an average of 7h and 54min of daylight.

How many hours of daylight does Herne Hill have in December?

In Herne Hill, United Kingdom, the average day length in December is 7h and 56min.

When are sunrise and sunset in December in Herne Hill?

On the first day of December in Herne Hill, sunrise is at 7:44 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 4:01 pm GMT.

How long on average sun shines in December in Herne Hill?

In Herne Hill, the average sunshine duration in December is 4.2h.

What are the months with the lowest UV index in Herne Hill?

The months with the lowest UV index in Herne Hill are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Herne Hill?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Herne Hill, United Kingdom

Average temperature in December - Herne Hill, United Kingdom
  • Average high temperature in December: 7.8°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in December: 3.5°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

Average pressure in December
Herne Hill, United Kingdom

Average pressure in December - Herne Hill, United Kingdom
  • Average pressure in December: 1014.5mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

Average wind speed in December
Herne Hill, United Kingdom

Average wind speed in December - Herne Hill, United Kingdom
  • Average wind speed in December: 16.9km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).

Average humidity in December
Herne Hill, United Kingdom

Average humidity in December - Herne Hill, United Kingdom
  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

Average rainfall in December
Herne Hill, United Kingdom

Average rainfall in December - Herne Hill, United Kingdom
  • Average rainfall in December: 40mm

The wettest months (with the highest rainfall) are June and December (40mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in December
Herne Hill, United Kingdom

Average rainfall days in December - Herne Hill, United Kingdom
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in December
Herne Hill, United Kingdom

Average snowfall in December - Herne Hill, United Kingdom
  • Average snowfall in December: 9mm

The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Herne Hill, United Kingdom

Average snowfall days in December - Herne Hill, United Kingdom
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Herne Hill, United Kingdom

Average daylight in December / Average sunshine in December - Herne Hill, United Kingdom
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in December
Herne Hill, United Kingdom

Average sunshine days in December - Herne Hill, United Kingdom
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in December
Herne Hill, United Kingdom

Average UV index in December - Herne Hill, United Kingdom
  • Average UV index in December: 2

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 2).

Average cloud cover in December
Herne Hill, United Kingdom

Average cloud cover in December - Herne Hill, United Kingdom
  • Average cloud cover in December: 59

The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April, August and September (Cloud cover 50).

Average visibility in December
Herne Hill, United Kingdom

Average visibility in December - Herne Hill, United Kingdom
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).

Herne Hill, United Kingdom

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