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
Weather in January
Temperature
Trefnant experiences its coldest period in January and February, averaging a high-temperature of 6.3°C (43.3°F).Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months in Trefnant.Rainfall
In Trefnant, during January, the rain falls for 13.1 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Trefnant, there are 176 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Trefnant. The month with the most snowfall in Trefnant is January, when snow falls for 4.7 days and typically aggregates up to 35mm (1.38") of snow.Daylight
In Trefnant, United Kingdom, the average length of the day in January is 8h and 11min.On the first day of the month, sunrise is at 8:28 am and sunset at 4:05 pm. On the last day of January, sunrise is at 7:59 am and sunset at 4:54 pm GMT.
Sunshine
In Trefnant, the average sunshine in January is 3.5h.UV index
The months with the lowest UV index in Trefnant 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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the coldest month in Trefnant?
How cold does it get in Trefnant in January?
What is the most humid month in Trefnant?
What is the average humidity in January in Trefnant?
How much does it rain in Trefnant in January?
When does it snow the most in Trefnant?
How much does it snow in Trefnant in January?
What is the average length of the day in January in Trefnant?
When are sunrise and sunset in January in Trefnant?
How many hours of sunshine does Trefnant have in January?
What is the month with the lowest UV index in Trefnant?
How high is the UV index in January in Trefnant?
Average temperature in January
Trefnant, United Kingdom
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The months with the lowest average high temperature are January and February (6.3°C).
- Average low temperature in January: 2.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest months (with the lowest average low temperature) are January and February (2.5°C).
Average pressure in January
Trefnant, United Kingdom
- Average pressure in January: 1012.4mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in January
Trefnant, United Kingdom
- Average wind speed in January: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is June (12.4km/h).
Average humidity in January
Trefnant, United Kingdom
- Average humidity in January: 88%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in January
Trefnant, United Kingdom
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in January
Trefnant, United Kingdom
- Average rainfall days in January: 13.1 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in January
Trefnant, United Kingdom
- Average snowfall in January: 35mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in January
Trefnant, United Kingdom
- Average snowfall days in January: 4.7 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Trefnant, United Kingdom
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is May (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).
Average sunshine days in January
Trefnant, United Kingdom
- Average sunshine days in January: 11.5 days
The month with the most sunshine days is April (13.1 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in January
Trefnant, 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
Trefnant, United Kingdom
- Average cloud cover in January: 65
The month with the most cloud cover is November (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in January
Trefnant, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Trefnant, United Kingdom
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