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 sea temperature 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
The transition into January subtly indicates a reduction in the average high-temperature, down to a still cold 0.2°C (32.4°F) from December's wintry 3.5°C (38.3°F). In January, Chester experiences an average nighttime temperature of -5.5°C (22.1°F).Humidity
In January, the average relative humidity in Chester is 83%.Rainfall
In January, the rain falls for 9.9 days. Throughout January, 83mm (3.27") of precipitation is accumulated. In Chester, during the entire year, the rain falls for 148.3 days and collects up to 861mm (33.9") of precipitation.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall is January, when snow falls for 12.5 days and typically aggregates up to 113mm (4.45") of snow.Sea temperature
In Chester, in January, the average water temperature is 3°C (37.4°F).Note: While swimming, this is deemed life-threatening and exceptionally hazardous. The icy water induces intense pain and causes swift hyperventilation. Employing a specialized swimsuit is required to offset thermal harm.
Daylight
The average length of the day in January in Chester is 9h and 17min.On the first day of the month, sunrise is at 7:53 am and sunset at 4:47 pm. On the last day of January, in Chester, sunrise is at 7:36 am and sunset at 5:23 pm AST.
Sunshine
In Chester, Canada, the average sunshine in January is 3.5h.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during January translates into the following guidance:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Chester in January?
What is the average humidity in January in Chester?
How many days does it rain in January in Chester?
When does it snow the most in Chester?
How many days does it snow in January in Chester?
What is the water temperature in January in Chester?
How many hours of daylight does Chester have in January?
When is the sunrise / sunset in January in Chester?
How long on average sun shines in January in Chester?
When is the lowest UV index in Chester?
How high is the UV index in January in Chester?
Average temperature in January
Chester, Canada
- Average high temperature in January: 0.2°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in January: -5.5°C
The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in January
Chester, Canada
- Average pressure in January: 1012.7mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in January
Chester, Canada
- Average wind speed in January: 21.3km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in January
Chester, Canada
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in January
Chester, Canada
- Average rainfall in January: 83mm
The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).
Average rainfall days in January
Chester, Canada
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in January
Chester, Canada
- Average snowfall in January: 113mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Chester, Canada
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Chester, Canada
- Average sea temperature in January: 3°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest months (with the lowest average sea temperature) are February and March (1.1°C).
Average daylight in January /
Average sunshine in January
Chester, Canada
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in January
Chester, Canada
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in January
Chester, Canada
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Chester, Canada
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Chester, Canada
- 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).
