December weather forecast
Clonmel, Ireland

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Weather in December

December closes the year in Clonmel by welcoming the full onset of winter, with significant decreases in temperature and daytime hours. The reappearance of snowfall, reaching 6mm (0.24"), indicates the beginning of the winter season. As December proceeds, the short daylight hours coupled with chilly winds afford a real sense of winter. Transitioning into the new year, January is anticipated to continue with similar cold and snowy conditions.

Temperature

The average high-temperature is a still frosty 7.5°C (45.5°F) in December, hardly different from the 9.1°C (48.4°F) recorded in November. An average nighttime temperature of 2.2°C (36°F) is witnessed throughout December.

Humidity

November and December, with an average relative humidity of 92%, are the most humid months in Clonmel.

Rainfall

In Clonmel, in December, it is raining for 11 days, with typically 31mm (1.22") of accumulated precipitation. In Clonmel, during the entire year, the rain falls for 162.7 days and collects up to 359mm (14.13") of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Clonmel, in December, during 1 snowfall days, 6mm (0.24") of snow is typically accumulated. In Clonmel, Ireland, during the entire year, snow falls for 5.2 days and aggregates up to 26mm (1.02") of snow.

Daylight

December has the shortest days of the year in Clonmel, with an average of 7h and 48min of daylight.
On the first day of December in Clonmel, sunrise is at 8:18 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:27 pm GMT.

Sunshine

The average sunshine in December is 3.8h.

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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What is the usual temperature for Clonmel in December?

In Clonmel, in December, the average high-temperature is 7.5°C (45.5°F), and the average low-temperature is 2.2°C (36°F).

What is the most humid month in Clonmel?

The months with the highest humidity in Clonmel, Ireland, are November and December, with an average relative humidity of 92%.

What is the average humidity in December in Clonmel?

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

How much does it rain in Clonmel in December?

In December, the rain falls for 11 days. Throughout December, 31mm (1.22") of precipitation is accumulated.

How many days does it snow in December in Clonmel?

In Clonmel, Ireland, during December, snow falls for 1 days and regularly aggregates up to 6mm (0.24") of snow.

What is the month with the shortest days in Clonmel?

The month with the shortest days is December, with an average of 7h and 48min of daylight.

How many hours of daylight does Clonmel have in December?

In Clonmel, Ireland, the average day length in December is 7h and 47min.

When are sunrise and sunset in December in Clonmel?

On the first day of December in Clonmel, sunrise is at 8:18 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 8:40 am and sunset at 4:27 pm GMT.

How many hours of sunshine does Clonmel have in December?

In Clonmel, Ireland, the average sunshine duration in December is 3.8h.

When is the lowest UV index in Clonmel?

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

What is the UV index intensity in December in Clonmel?

The average daily maximum UV index in December in Clonmel, Ireland, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Clonmel, Ireland

Average temperature in December - Clonmel, Ireland
  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is July (10.4°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

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Average pressure in December
Clonmel, Ireland

Average pressure in December - Clonmel, Ireland
  • Average pressure in December: 1011.6mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).

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Average wind speed in December
Clonmel, Ireland

Average wind speed in December - Clonmel, Ireland
  • Average wind speed in December: 17.9km/h

The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).

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Average humidity in December
Clonmel, Ireland

Average humidity in December - Clonmel, Ireland
  • Average humidity in December: 92%

The months with the highest relative humidity are November and December (92%).
The month with the lowest relative humidity is April (86%).

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Average rainfall in December
Clonmel, Ireland

Average rainfall in December - Clonmel, Ireland
  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is November (45mm).
The driest months (with the least rainfall) are January, March and September (22mm).

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Average rainfall days in December
Clonmel, Ireland

Average rainfall days in December - Clonmel, Ireland
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (10.7 days).

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Average snowfall in December
Clonmel, Ireland

Average snowfall in December - Clonmel, Ireland
  • Average snowfall in December: 6mm

The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in December
Clonmel, Ireland

Average snowfall days in December - Clonmel, Ireland
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Clonmel, Ireland

Average daylight in December / Average sunshine in December - Clonmel, Ireland
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 3h and 5min

The months with the most sunshine are April and June (Average sunshine: 5h and 36min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).

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Average sunshine days in December
Clonmel, Ireland

Average sunshine days in December - Clonmel, Ireland
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is July (7.2 days).

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Average UV index in December
Clonmel, Ireland

Average UV index in December - Clonmel, Ireland
  • Average UV index in December: 2

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

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Average cloud cover in December
Clonmel, Ireland

Average cloud cover in December - Clonmel, Ireland
  • Average cloud cover in December: 63

The month with the most cloud cover is July (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 61).

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Average visibility in December
Clonmel, Ireland

Average visibility in December - Clonmel, Ireland
  • Average visibility in December: 8km

The month with the highest visibility is February (9km).
The months with the lowest visibility are July, August, September and October (7km).

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Clonmel, Ireland

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