December weather forecast
Southend-on-Sea, United Kingdom

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Weather in December

The first month of the winter, December, is still a chilly month in Southend-on-Sea, United Kingdom, with an average temperature ranging between min 4.7°C (40.5°F) and max 8°C (46.4°F).

Temperature

In December, the average high-temperature registers at a frosty 8°C (46.4°F), nearly identical to November's 10.6°C (51.1°F). A minimal decline in temperature from daytime highs is anticipated in Southend-on-Sea, United Kingdom throughout the December nights, averaging a wintry 4.7°C (40.5°F).

Humidity

With an average relative humidity of 87%, December is the most humid month in Southend-on-Sea.

Rainfall

In Southend-on-Sea, in December, it is raining for 12.4 days, with typically 28mm (1.1") of accumulated precipitation. In Southend-on-Sea, United Kingdom, during the entire year, the rain falls for 148.1 days and collects up to 293mm (11.54") of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Southend-on-Sea, it is snowing for 1.9 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, there are 9.6 snowfall days, and 42mm (1.65") of snow is accumulated.

Sea temperature

In Southend-on-Sea, United Kingdom, in December, the average water temperature is 10.8°C (51.4°F).
Note: Swimming in 10.8°C (51.4°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.

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 7:41 am and sunset at 3:51 pm. On the last day of December, in Southend-on-Sea, sunrise is at 8:02 am and sunset at 3:57 pm GMT.

Sunshine

The average sunshine in December in Southend-on-Sea is 4.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What is the average December temperature in Southend-on-Sea?

The high-temperature, in December, in Southend-on-Sea, is 8°C (46.4°F), while the low-temperature averages to 4.7°C (40.5°F).

What is the most humid month in Southend-on-Sea?

The most humid month is December, with an average relative humidity of 87%.

What is the average humidity in December in Southend-on-Sea?

The average relative humidity in December in Southend-on-Sea, United Kingdom, is 87%.

How much does it rain in Southend-on-Sea in December?

In Southend-on-Sea, United Kingdom, in December, during 12.4 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

How many days does it snow in December in Southend-on-Sea?

In Southend-on-Sea, in December, snow falls for 1.9 days, with typically accumulated 12mm (0.47") of snow.

How cold is the water in December in Southend-on-Sea?

In December, the average sea temperature in Southend-on-Sea is 10.8°C (51.4°F). Swimming in 10.8°C (51.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Southend-on-Sea?

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

How many hours of daylight does Southend-on-Sea have in December?

In Southend-on-Sea, United Kingdom, the average day length in December is 7h and 55min.

When is the sunrise / sunset in December in Southend-on-Sea?

In December, on the first day of the month, sunrise is at 7:41 am and sunset at 3:51 pm. On the last day of the month, in Southend-on-Sea, sunrise is at 8:02 am and sunset at 3:57 pm GMT.

How long on average sun shines in December in Southend-on-Sea?

In Southend-on-Sea, the average sunshine duration in December is 4.5h.

What are the months with the lowest UV index in Southend-on-Sea?

The months with the lowest UV index in Southend-on-Sea are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Southend-on-Sea?

In December, the average daily maximum UV index in Southend-on-Sea, United Kingdom, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Southend-on-Sea, United Kingdom

Average temperature in December - Southend-on-Sea, United Kingdom
  • Average high temperature in December: 8°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.9°C).

  • Average low temperature in December: 4.7°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).

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Average pressure in December
Southend-on-Sea, United Kingdom

Average pressure in December - Southend-on-Sea, United Kingdom
  • Average pressure in December: 1014.5mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

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Average wind speed in December
Southend-on-Sea, United Kingdom

Average wind speed in December - Southend-on-Sea, United Kingdom
  • Average wind speed in December: 22km/h

The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).

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Average humidity in December
Southend-on-Sea, United Kingdom

Average humidity in December - Southend-on-Sea, United Kingdom
  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in December
Southend-on-Sea, United Kingdom

Average rainfall in December - Southend-on-Sea, United Kingdom
  • Average rainfall in December: 28mm

The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (15mm).

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Average rainfall days in December
Southend-on-Sea, United Kingdom

Average rainfall days in December - Southend-on-Sea, United Kingdom
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and September (9.7 days).

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Average snowfall in December
Southend-on-Sea, United Kingdom

Average snowfall in December - Southend-on-Sea, United Kingdom
  • Average snowfall in December: 12mm

The month with the highest snowfall is February (14mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in December
Southend-on-Sea, United Kingdom

Average snowfall days in December - Southend-on-Sea, United Kingdom
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in December
Southend-on-Sea, United Kingdom

Average sea temperature in December - Southend-on-Sea, United Kingdom
  • Average sea temperature in December: 10.8°C

The best month for swimming (with the highest average sea temperature) is September (17.4°C).
The coldest month (with the lowest average sea temperature) is March (7.3°C).

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Average daylight in December /
Average sunshine in December
Southend-on-Sea, United Kingdom

Average daylight in December / Average sunshine in December - Southend-on-Sea, United Kingdom
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in December: 4h and 3min

The months with the most sunshine are July and August (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Southend-on-Sea, United Kingdom

Average sunshine days in December - Southend-on-Sea, United Kingdom
  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Southend-on-Sea, United Kingdom

Average UV index in December - Southend-on-Sea, 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, November and December (UV index 2).

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Average cloud cover in December
Southend-on-Sea, United Kingdom

Average cloud cover in December - Southend-on-Sea, United Kingdom
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 42).

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Average visibility in December
Southend-on-Sea, United Kingdom

Average visibility in December - Southend-on-Sea, United Kingdom
  • Average visibility in December: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).

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Southend-on-Sea, United Kingdom

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