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
Rhayader's December reports an average high-temperature of a still frosty 6.4°C (43.5°F), exhibiting a minor difference from November. With a barely noticeable fluctuation in temperature, Rhayader reaches an average low of 2.2°C (36°F) during the December nights.Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months.Rainfall
In December, in Rhayader, the rain falls for 17.4 days. Throughout December, 51mm (2.01") of precipitation is accumulated. In Rhayader, during the entire year, the rain falls for 192.1 days and collects up to 471mm (18.54") of precipitation.Snowfall
January through May, November and December are months with snowfall in Rhayader, United Kingdom. In Rhayader, in December, snow falls for 2.7 days, with typically accumulated 17mm (0.67") of snow. Throughout the year, in Rhayader, United Kingdom, there are 17.1 snowfall days, and 120mm (4.72") of snow is accumulated.Daylight
The month with the shortest days in Rhayader is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 8:01 am and sunset at 4:04 pm. On the last day of December, in Rhayader, sunrise is at 8:23 am and sunset at 4:10 pm GMT.
Sunshine
In Rhayader, the average sunshine in December is 3.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Rhayader in December?
What are the most humid months in Rhayader?
What is the average humidity in December in Rhayader?
How many days does it rain in December in Rhayader?
How much does it snow in Rhayader in December?
What is the month with the shortest days in Rhayader?
What is the average length of the day in December in Rhayader?
When is the sunrise / sunset in December in Rhayader?
How many hours of sunshine does Rhayader have in December?
When is the lowest UV index in Rhayader?
What is the UV index intensity in December in Rhayader?
Average temperature in December
Rhayader, United Kingdom
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure in December
Rhayader, United Kingdom
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in December
Rhayader, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity in December
Rhayader, United Kingdom
- Average humidity in December: 92%
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall in December
Rhayader, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Rhayader, United Kingdom
- Average rainfall days in December: 17.4 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall in December
Rhayader, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Rhayader, United Kingdom
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rhayader, United Kingdom
- 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 1min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days in December
Rhayader, United Kingdom
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index in December
Rhayader, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July 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
Rhayader, United Kingdom
- Average cloud cover in December: 69
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility in December
Rhayader, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
Rhayader, United Kingdom
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