Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
Llanwrthwl, United Kingdom, witnesses the coldest weather in January, with temperatures averaging a high of 5.3°C (41.5°F) and a low of 0.9°C (33.6°F).Humidity
January, November and December, with an average relative humidity of 92%, are the most humid months in Llanwrthwl.Rainfall
In Llanwrthwl, in January, it is raining for 16.1 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, there are 192.1 rainfall days, and 471mm (18.54") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Llanwrthwl, in January, snow falls for 4.8 days, with typically accumulated 24mm (0.94") of snow. In Llanwrthwl, during the entire year, snow falls for 17.1 days and aggregates up to 120mm (4.72") of snow.Daylight
The average length of the day in January is 8h and 20min.On the first day of the month, sunrise is at 8:23 am and sunset at 4:11 pm. On the last day of January, sunrise is at 7:56 am and sunset at 4:57 pm GMT.
Sunshine
In Llanwrthwl, the average sunshine in January is 3.1h.UV index
The months with the lowest UV index in Llanwrthwl are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in January transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Llanwrthwl?
How cold does it get in Llanwrthwl in January?
What is the most humid month in Llanwrthwl?
What is the average humidity in January in Llanwrthwl?
How much does it rain in Llanwrthwl in January?
How many days does it snow in January in Llanwrthwl?
How many hours of daylight does Llanwrthwl have in January?
When is the sunrise / sunset in January in Llanwrthwl?
How many hours of sunshine does Llanwrthwl have in January?
When is the lowest UV index in Llanwrthwl?
What is the UV index reading in January in Llanwrthwl?
Average temperature in January
Llanwrthwl, United Kingdom
- Average high temperature in January: 5.3°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 January: 0.9°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 January
Llanwrthwl, United Kingdom
- Average pressure in January: 1013.4mbar
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 January
Llanwrthwl, United Kingdom
- Average wind speed in January: 18.1km/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 January
Llanwrthwl, United Kingdom
- Average humidity in January: 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 January
Llanwrthwl, United Kingdom
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in January
Llanwrthwl, United Kingdom
- Average rainfall days in January: 16.1 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 January
Llanwrthwl, United Kingdom
- Average snowfall in January: 24mm
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 January
Llanwrthwl, United Kingdom
- Average snowfall days in January: 4.8 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 January /
Average sunshine in January
Llanwrthwl, United Kingdom
- Average daylight in January: 8h and 2min
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 January: 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 January
Llanwrthwl, United Kingdom
- Average sunshine days in January: 9.7 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 January
Llanwrthwl, United Kingdom
- Average UV index in January: 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 January
Llanwrthwl, United Kingdom
- Average cloud cover in January: 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 January
Llanwrthwl, United Kingdom
- Average visibility in January: 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).
