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
January, with its average high-temperature of 6.5°C (43.7°F) and an average low-temperature of 1.8°C (35.2°F), holds the record as the coldest month.Humidity
In January, the average relative humidity in Mill Hill is 88%.Rainfall
In Mill Hill, in January, during 14.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Mill Hill, there are 168.8 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Mill Hill, United Kingdom. In Mill Hill, United Kingdom, in January, snow falls for 3 days, with typically accumulated 18mm (0.71") of snow. In Mill Hill, during the entire year, snow falls for 10.6 days and aggregates up to 65mm (2.56") of snow.Daylight
In January, the average length of the day is 8h and 26min.On the first day of January in Mill Hill, sunrise is at 8:06 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:47 pm GMT.
Sunshine
In January, the average sunshine is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Mill Hill?
How cold is it in Mill Hill in January?
What is the average humidity in January in Mill Hill?
How much does it rain in Mill Hill in January?
How many days does it snow in January in Mill Hill?
What is the average length of the day in January in Mill Hill?
When is the sunrise / sunset in January in Mill Hill?
How many hours of sunshine does Mill Hill have in January?
What are the months with the lowest UV index in Mill Hill?
What is the UV index intensity in January in Mill Hill?
Average temperature in January
Mill Hill, United Kingdom
- Average high temperature in January: 6.5°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in January
Mill Hill, United Kingdom
- Average pressure in January: 1014.4mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in January
Mill Hill, United Kingdom
- Average wind speed in January: 17km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in January
Mill Hill, United Kingdom
- Average humidity in January: 88%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in January
Mill Hill, United Kingdom
- Average rainfall in January: 30mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in January
Mill Hill, United Kingdom
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is March (12.2 days).
Average snowfall in January
Mill Hill, United Kingdom
- Average snowfall in January: 18mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Mill Hill, United Kingdom
- Average snowfall days in January: 3 days
The month with the highest number of snowfall days is February (4.3 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
Mill Hill, 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: 4h and 2min
The months with the most sunshine are July and August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Mill Hill, United Kingdom
- Average sunshine days in January: 12.9 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in January
Mill Hill, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mill Hill, United Kingdom
- Average cloud cover in January: 57
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in January
Mill Hill, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Mill Hill, United Kingdom
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