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
In Trefonen, January is the coldest month, with temperatures averaging a high of 6.1°C (43°F) and a low of 1°C (33.8°F).Humidity
The average relative humidity in January in Trefonen is 90%.Rainfall
In Trefonen, in January, it is raining for 14.6 days, with typically 30mm (1.18") of accumulated precipitation. In Trefonen, during the entire year, the rain falls for 192.1 days and collects up to 422mm (16.61") of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall in Trefonen, United Kingdom, is January, when snow falls for 3.8 days and typically aggregates up to 22mm (0.87") of snow.Daylight
The average length of the day in January is 8h and 15min.On the first day of the month, sunrise is at 8:24 am and sunset at 4:06 pm. On the last day of January, sunrise is at 7:57 am and sunset at 4:54 pm GMT.
Sunshine
In Trefonen, the average sunshine in January is 3.9h.UV index
The months with the lowest UV index in Trefonen are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Trefonen?
Is it cold in Trefonen during January?
What is the average humidity in January in Trefonen?
How many days does it rain in January in Trefonen?
What is the snowiest month in Trefonen?
How much does it snow in Trefonen in January?
What is the average length of the day in January in Trefonen?
When are sunrise and sunset in January in Trefonen?
How many hours of sunshine does Trefonen have in January?
What are the months with the lowest UV index in Trefonen?
What is the UV index reading in January in Trefonen?
Average temperature in January
Trefonen, United Kingdom
- Average high temperature in January: 6.1°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in January: 1°C
The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in January
Trefonen, United Kingdom
- Average pressure in January: 1012.8mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in January
Trefonen, United Kingdom
- Average wind speed in January: 15.7km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is June (11.3km/h).
Average humidity in January
Trefonen, United Kingdom
- Average humidity in January: 90%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in January
Trefonen, United Kingdom
- Average rainfall in January: 30mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in January
Trefonen, United Kingdom
- Average rainfall days in January: 14.6 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in January
Trefonen, United Kingdom
- Average snowfall in January: 22mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Trefonen, United Kingdom
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Trefonen, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in January
Trefonen, United Kingdom
- Average sunshine days in January: 10.7 days
The month with the most sunshine days is March (12.6 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in January
Trefonen, 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
Trefonen, United Kingdom
- Average cloud cover in January: 62
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in January
Trefonen, 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).
