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
January is the coldest month of the year, registering average temperatures as high as 6.9°C (44.4°F) and as low as 3°C (37.4°F).Humidity
In January, the average relative humidity in Treharris is 87%.Rainfall
In Treharris, in January, during 15.7 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Treharris, during the entire year, the rain falls for 179.9 days and collects up to 488mm (19.21") of precipitation.Snowfall
Months with snowfall in Treharris, United Kingdom, are January through May, November and December. The months with the most snowfall in Treharris are January, February and November, with an average 19mm (0.75") of accumulated snow.Daylight
In January, the average length of the day in Treharris is 8h and 26min.On the first day of the month, sunrise is at 8:19 am and sunset at 4:13 pm. On the last day of January, sunrise is at 7:53 am and sunset at 4:59 pm GMT.
Sunshine
The average sunshine in January in Treharris is 3.9h.UV index
The months with the lowest UV index in Treharris 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 exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in January transforms into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Treharris?
How cold is it in Treharris in January?
What is the average humidity in January in Treharris?
How many days does it rain in January in Treharris?
When does it snow the most in Treharris?
How many days does it snow in January in Treharris?
How many hours of daylight does Treharris have in January?
When are sunrise and sunset in January in Treharris?
How long on average sun shines in January in Treharris?
What is the month with the lowest UV index in Treharris?
How high is the UV index in January in Treharris?
Average temperature in January
Treharris, United Kingdom
- Average high temperature in January: 6.9°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in January: 3°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in January
Treharris, United Kingdom
- Average pressure in January: 1013.9mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in January
Treharris, United Kingdom
- Average wind speed in January: 20.5km/h
The windiest month (with the highest average wind speed) is February (21.2km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in January
Treharris, United Kingdom
- Average humidity in January: 87%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is April (82%).
Average rainfall in January
Treharris, United Kingdom
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in January
Treharris, United Kingdom
- Average rainfall days in January: 15.7 days
The month with the highest number of rainy days is November (18.3 days).
The month with the least rainy days is September (12.7 days).
Average snowfall in January
Treharris, United Kingdom
- Average snowfall in January: 19mm
The months with the highest snowfall are January, February and November (19mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Treharris, United Kingdom
- Average snowfall days in January: 3.4 days
The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Treharris, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in January
Treharris, United Kingdom
- Average sunshine days in January: 10 days
The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in January
Treharris, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (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
Treharris, United Kingdom
- Average cloud cover in January: 60
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 48).
Average visibility in January
Treharris, 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).
