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
In Saint Charles, January is the month with the lowest recorded average temperatures, measuring a high of 41.5°F (5.3°C) and a low of 28.4°F (-2°C).Humidity
The months with the lowest humidity are January, March and April, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 1.85" (47mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 4.3 days and typically aggregates up to 2.32" (59mm) of snow.Daylight
In Saint Charles, the average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:25 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:27 pm EST.
Sunshine
In Saint Charles, the average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during January leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Saint Charles?
How cold does it get in January?
What is the least humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Saint Charles have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Saint Charles, MD
- Average high temperature in January: 41.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in January: 28.4°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in January
Saint Charles, MD
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Saint Charles, MD
- Average wind speed in January: 7.4mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Saint Charles, MD
- Average humidity in January: 73%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).
Average rainfall in January
Saint Charles, MD
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in January
Saint Charles, MD
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in January
Saint Charles, MD
- Average snowfall in January: 2.32"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Saint Charles, MD
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is January (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
Saint Charles, MD
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in January
Saint Charles, MD
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in January
Saint Charles, MD
- 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
Saint Charles, MD
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Saint Charles, MD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Saint Charles, Maryland, USA
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