December weather forecast
Dalby, Isle of Man

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Weather in December

In the closing month of the year, average high temperatures dip further to 9.6°C (49.3°F). Dalby, Isle of Man experiences full-blown winter in December, with chilly winds and reduced daylight hours. Bagging the title for the cloudiest month, the town sees 61% cloud cover. Rainfall in December is substantial at 49mm (1.93"), bringing forth the season's cold, wet days. Interestingly, snowfall returns this month, accumulating to 5mm (0.2"), marking the beginning of another snowy year.

Temperature

Dalby records an average high-temperature of a chilly 9.6°C (49.3°F) in December, closely mirroring the climate of the previous month. The nights of December cool down to an average low of 7.6°C (45.7°F), subtly lower than daytime highs.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Dalby, during December, the rain falls for 17.3 days and regularly aggregates up to 49mm (1.93") of precipitation. In Dalby, during the entire year, the rain falls for 184.8 days and collects up to 478mm (18.82") of precipitation.

Snowfall

January through March, November and December are months with snowfall. The months with the most snowfall are January and December, with an average 5mm (0.2") of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 7h and 30min of daylight.
On the first day of December in Dalby, sunrise is at 08:16 and sunset at 16:00. On the last day of the month, sunrise is at 08:38 and sunset at 16:05 GMT.

Sunshine

The months with the least sunshine in Dalby are January, November and December, with an average of 3.9h of sunshine.

UV index

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. It's recommended to limit sun exposure when its radiation is at its peak during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the average December temperature in Dalby?

In Dalby, 9.6°C (49.3°F) is the average high-temperature and 7.6°C (45.7°F) is the average low-temperature during December.

What is the average humidity in December in Dalby?

The average relative humidity in December in Dalby, Isle of Man, is 78%.

How many days does it rain in December in Dalby?

In December, the rain falls for 17.3 days. Throughout December, 49mm (1.93") of precipitation is accumulated.

When does it snow the most in Dalby?

The months with the most snowfall are January and December, with an average 5mm (0.2") of accumulated snow.

How many days does it snow in December in Dalby?

In Dalby, Isle of Man, during December, snow falls for 0.5 days and regularly aggregates up to 5mm (0.2") of snow.

What is the month with the shortest days in Dalby?

December has the shortest days of the year in Dalby, Isle of Man, with an average of 7h and 30min of daylight.

What is the average length of the day in December in Dalby?

In December, the average day length in Dalby is 7h and 27min.

What time are sunrise and sunset in December in Dalby?

In December, on the first day of the month, sunrise is at 08:16 and sunset at 16:00. On the last day of the month, in Dalby, sunrise is at 08:38 and sunset at 16:05 GMT.

What is the month with the least sunshine in Dalby?

January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Dalby.

How many hours of sunshine does Dalby have in December?

In December, the average sunshine duration in Dalby, Isle of Man, is 3.9h.

How high is the UV index in December in Dalby?

In Dalby, Isle of Man, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Dalby, Isle of Man

Average temperature in December - Dalby, Isle of Man
  • Average high temperature in December: 9.6°C

The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is February (7.8°C).

  • Average low temperature in December: 7.6°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).

Average pressure in December
Dalby, Isle of Man

Average pressure in December - Dalby, Isle of Man
  • Average pressure in December: 1010.5mbar

The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008mbar).

Average wind speed in December
Dalby, Isle of Man

Average wind speed in December - Dalby, Isle of Man
  • Average wind speed in December: 36.7km/h

The windiest month (with the highest average wind speed) is December (36.7km/h).
The calmest month (with the lowest average wind speed) is June (21.5km/h).

Average humidity in December
Dalby, Isle of Man

Average humidity in December - Dalby, Isle of Man
  • Average humidity in December: 78%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (77%).

Average rainfall in December
Dalby, Isle of Man

Average rainfall in December - Dalby, Isle of Man
  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December
Dalby, Isle of Man

Average rainfall days in December - Dalby, Isle of Man
  • Average rainfall days in December: 17.3 days

The month with the highest number of rainy days is November (17.8 days).
The months with the least rainy days are May and June (13.2 days).

Average snowfall in December
Dalby, Isle of Man

Average snowfall in December - Dalby, Isle of Man
  • Average snowfall in December: 5mm

The months with the highest snowfall are January and December (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Dalby, Isle of Man

Average snowfall days in December - Dalby, Isle of Man
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (0.8 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
Dalby, Isle of Man

Average daylight in December / Average sunshine in December - Dalby, Isle of Man
  • Average daylight in December: 7h and 3min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is May (Average sunshine: 8h and 18min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days in December
Dalby, Isle of Man

Average sunshine days in December - Dalby, Isle of Man
  • Average sunshine days in December: 11 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (9 days).

Average UV index in December
Dalby, Isle of Man

Average UV index in December - Dalby, Isle of Man
  • Average UV index in December: 3

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and March (UV index 2).

Average cloud cover in December
Dalby, Isle of Man

Average cloud cover in December - Dalby, Isle of Man
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 46).

Average visibility in December
Dalby, Isle of Man

Average visibility in December - Dalby, Isle of Man
  • Average visibility in December: 10km

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

Dalby, Isle of Man

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