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, recording an average high temperature of 37.8°F (3.2°C) and a low temperature of 24.3°F (-4.3°C), is Brentwood's coldest month.Humidity
The average relative humidity in January in Brentwood, Missouri, is 75%.Rainfall
In Brentwood, during January, the rain falls for 6.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Brentwood, in January, snow falls for 4.7 days, with typically accumulated 2.24" (57mm) of snow. In Brentwood, during the entire year, snow falls for 16.2 days and aggregates up to 8.19" (208mm) of snow.Daylight
In Brentwood, the average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of January, in Brentwood, sunrise is at 7:07 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Brentwood. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during January leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Brentwood?
How cold is January in Brentwood?
What is the average humidity in January in Brentwood?
How much does it rain in Brentwood in January?
How much does it snow in Brentwood in January?
How many hours of daylight does Brentwood have in January?
When is the sunrise / sunset in January in Brentwood?
What is the month with the least sunshine in Brentwood?
How many hours of sunshine does Brentwood have in January?
When is the lowest UV index in Brentwood?
How high is the UV index in January in Brentwood?
Average temperature in January
Brentwood, MO
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Brentwood, MO
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Brentwood, MO
- Average wind speed in January: 9.2mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Brentwood, MO
- Average humidity in January: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Brentwood, MO
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in January
Brentwood, MO
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Brentwood, MO
- Average snowfall in January: 2.24"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Brentwood, MO
- Average snowfall days in January: 4.7 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Brentwood, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Brentwood, MO
- Average sunshine days in January: 21 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
Brentwood, MO
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Brentwood, MO
- Average cloud cover in January: 50
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Brentwood, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Brentwood, Missouri, USA
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