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
The onset of December in Amherst, Guernsey, marks an average high-temperature of a fresh 11.1°C (52°F), hardly differing from November's 13°C (55.4°F). During the nights of December, the average low-temperature holds at a frosty 9.2°C (48.6°F).Humidity
The months with the lowest humidity are November and December, with an average relative humidity of 77%.Rainfall
In December, in Amherst, Guernsey, the rain falls for 21.4 days. Throughout December, 70mm (2.76") of precipitation is accumulated. In Amherst, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.Snowfall
In Amherst, snow does not fall in February through December.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Amherst, Guernsey.On the first day of the month, sunrise is at 07:45 and sunset at 16:13. On the last day of December, in Amherst, Guernsey, sunrise is at 08:06 and sunset at 16:20 GMT.
Sunshine
January, November and December, with an average of 3.9h of sunshine, are months with the least sunshine in Amherst.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Amherst in December?
What is the least humid month in Amherst?
What is the average humidity in December in Amherst?
How much does it rain in Amherst in December?
When it does not snow in Amherst?
Does it snow in Amherst in December?
What is the month with the shortest days in Amherst?
How many hours of daylight does Amherst have in December?
When are sunrise and sunset in December in Amherst?
What is the month with the least sunshine in Amherst?
How long on average sun shines in December in Amherst?
What is the UV index intensity in December in Amherst?
Average temperature in December
Amherst, Guernsey
- Average high temperature in December: 11.1°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (9.2°C).
- Average low temperature in December: 9.2°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).
Average pressure in December
Amherst, Guernsey
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
Amherst, Guernsey
- Average wind speed in December: 36km/h
The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).
Average humidity in December
Amherst, Guernsey
- Average humidity in December: 77%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).
Average rainfall in December
Amherst, Guernsey
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in December
Amherst, Guernsey
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in December
Amherst, Guernsey
- Average snowfall in December: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Amherst, Guernsey
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Amherst, Guernsey
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Amherst, Guernsey
- Average sunshine days in December: 5.3 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).
Average UV index in December
Amherst, Guernsey
- Average UV index in December: 3
The months with the highest UV index are July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Amherst, Guernsey
- Average cloud cover in December: 63
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Amherst, Guernsey
- 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).
Amherst, Guernsey
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