January weather forecastKillay, United Kingdom
January
Weather in January
January, the same as December, in Killay, United Kingdom, is another chilly winter month, with an average temperature fluctuating between 5.2°C (41.4°F) and 8°C (46.4°F).Temperature
As Killay welcomes January, the average high-temperature is noted at a still chilly 8°C (46.4°F), closely aligning with the preceding month. The month of January is marked by an average minimum temperature of 5.2°C (41.4°F), slightly cooler than its daytime counterpart.Humidity
January, August and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Killay, in January, during 19 rainfall days, 77mm (3.03") of precipitation is typically accumulated. In Killay, during the entire year, the rain falls for 210.8 days and collects up to 785mm (30.91") of precipitation.Snowfall
Months with snowfall are January through March and December. In Killay, in January, snow falls for 0.8 days, with typically accumulated 5mm (0.2") of snow. Throughout the year, there are 2.9 snowfall days, and 16mm (0.63") of snow is accumulated.Daylight
The average length of the day in January is 8h and 26min.On the first day of the month, sunrise is at 8:22 am and sunset at 4:16 pm. On the last day of January, sunrise is at 7:56 am and sunset at 5:02 pm GMT.
Sunshine
January has the least sunshine of the year, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Killay are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Killay, United Kingdom
- Average high temperature in January: 8°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in January: 5.2°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in January
Killay, United Kingdom
- Average pressure in January: 1013.8mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in January
Killay, United Kingdom
- Average wind speed in January: 24.7km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is June (16.4km/h).
Average humidity in January
Killay, United Kingdom
- Average humidity in January: 84%
The months with the highest relative humidity are January, August and December (84%).
The month with the lowest relative humidity is April (80%).
Average rainfall in January
Killay, United Kingdom
- Average rainfall in January: 77mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in January
Killay, United Kingdom
- Average rainfall days in January: 19 days
The month with the highest number of rainy days is December (21.4 days).
The month with the least rainy days is April (14.4 days).
Average snowfall in January
Killay, United Kingdom
- Average snowfall in January: 5mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Killay, United Kingdom
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Killay, United Kingdom
- Average daylight in January: 8h and 24min
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 42min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Killay, United Kingdom
- Average sunshine days in January: 8.4 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in January
Killay, 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 and December (UV index 2).
Average cloud cover in January
Killay, United Kingdom
- Average cloud cover in January: 62
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 45).
Average visibility in January
Killay, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are March, April, June, July and October (10km).
The months with the lowest visibility are January, February, May, August, September, November and December (9km).
