Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In December, Graiganster notes an average high-temperature of a still frosty 7.8°C (46°F), hardly different from the preceding month. December nights in Graiganster register a minor temperature decline, steadying at an icy 3.2°C (37.8°F).Humidity
The months with the highest humidity in Graiganster are November and December, with an average relative humidity of 91%.Rainfall
In Graiganster, in December, during 18.3 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 228.5 rainfall days, and 603mm (23.74") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. The months with the most snowfall in Graiganster are January and December, with an average 17mm (0.67") of accumulated snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:22 am and sunset at 4:24 pm. On the last day of December, in Graiganster, sunrise is at 8:44 am and sunset at 4:30 pm GMT.
Sunshine
February and December, with an average of 3.9h of sunshine, are months with the least sunshine in Graiganster.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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are December temperatures in Graiganster?
What is the most humid month in Graiganster?
What is the average humidity in December in Graiganster?
How much does it rain in Graiganster in December?
What is the snowiest month in Graiganster?
When does it start to snow in Graiganster?
What is the month with the shortest days in Graiganster?
What is the average length of the day in December in Graiganster?
When are sunrise and sunset in December in Graiganster?
What is the month with the least sunshine in Graiganster?
How many hours of sunshine does Graiganster have in December?
When is the lowest UV index in Graiganster?
What is the UV index intensity in December in Graiganster?
Average temperature in December
Graiganster, Ireland
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (18.1°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in December: 3.2°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure in December
Graiganster, Ireland
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in December
Graiganster, Ireland
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in December
Graiganster, Ireland
- Average humidity in December: 91%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (85%).
Average rainfall in December
Graiganster, Ireland
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is September (39mm).
Average rainfall days in December
Graiganster, Ireland
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is February (16.4 days).
Average snowfall in December
Graiganster, Ireland
- Average snowfall in December: 17mm
The months with the highest snowfall are January and December (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Graiganster, Ireland
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Graiganster, 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 month with the most sunshine is June (Average sunshine: 7h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Graiganster, Ireland
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is March (10.2 days).
The month with the least sunshine days is August (3.9 days).
Average UV index in December
Graiganster, Ireland
- Average UV index in December: 2
The months with the highest UV index are May and June (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
Graiganster, Ireland
- Average cloud cover in December: 61
The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in December
Graiganster, Ireland
- Average visibility in December: 8km
The month with the highest visibility is February (9km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
Graiganster, Ireland
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