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, on average, is the coldest month, registering a high temperature of 5.8°C (42.4°F) and a low of 1.8°C (35.2°F).Humidity
The average relative humidity in January is 88%.Rainfall
In Bolton, in January, it is raining for 16.2 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 184 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
January through April and December are months with snowfall. January is the month with the most snowfall in Bolton. Snow falls for 3.3 days and accumulates 29mm (1.14") of snow.Daylight
In Bolton, the average length of the day in January is 8h and 8min.On the first day of January in Bolton, United Kingdom, sunrise is at 8:26 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:48 pm GMT.
Sunshine
The months with the least sunshine in Bolton, United Kingdom, are January and February, with an average of 3.5h of sunshine.UV index
January through March, 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 minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What time of the year is the coldest in Bolton?
How cold is it in Bolton in January?
What is the average humidity in January in Bolton?
How many days does it rain in January in Bolton?
When does it snow the most in Bolton?
How much does it snow in Bolton in January?
What is the average length of the day in January in Bolton?
When are sunrise and sunset in January in Bolton?
What is the month with the least sunshine in Bolton?
How many hours of sunshine does Bolton have in January?
What are the months with the lowest UV index in Bolton?
What is the UV index intensity in January in Bolton?
Average temperature in January
Bolton, United Kingdom
- Average high temperature in January: 5.8°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (12°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in January
Bolton, United Kingdom
- Average pressure in January: 1012.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in January
Bolton, United Kingdom
- Average wind speed in January: 17km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is June (12.3km/h).
Average humidity in January
Bolton, 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 May (78%).
Average rainfall in January
Bolton, United Kingdom
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in January
Bolton, United Kingdom
- Average rainfall days in January: 16.2 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is April (12.3 days).
Average snowfall in January
Bolton, United Kingdom
- Average snowfall in January: 29mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Bolton, United Kingdom
- Average snowfall days in January: 3.3 days
The month with the highest number of snowfall days is January (3.3 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
Bolton, United Kingdom
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 3h and 3min
The months with the most sunshine are April and May (Average sunshine: 7h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in January
Bolton, United Kingdom
- Average sunshine days in January: 10.7 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.6 days).
Average UV index in January
Bolton, 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
Bolton, United Kingdom
- Average cloud cover in January: 66
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in January
Bolton, United Kingdom
- Average visibility in January: 8km
The months with the highest visibility are February, March, April, May, June, August, October and November (9km).
The months with the lowest visibility are January, July, September and December (8km).
Bolton, United Kingdom
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