December weather forecastClonmel, Ireland
December
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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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
Average daylight in December /
Average sunshine in December
Clonmel, Ireland
- Average daylight in December: 7h and 48min
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 48min
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).
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).
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).
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).
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).
