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 Chillum, the month of January is known for its lowest average temperatures, reaching a high of 39.7°F (4.3°C) and a low of 27.1°F (-2.7°C).Humidity
The average relative humidity in January in Chillum is 72%.Rainfall
The month with the least rainfall in Chillum is January, when the rain falls for 8.8 days and typically collects 1.89" (48mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 4.6 days and accumulates 2.87" (73mm) of snow.Daylight
The average length of the day in January is 9h and 48min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:27 pm EST.
Sunshine
The average sunshine in January is 5h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chillum, Maryland. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
Is it cold during January?
What is the average humidity in January in Chillum?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Chillum?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January in Chillum?
Average temperature in January
Chillum, MD
- Average high temperature in January: 39.7°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 (39.7°F).
- Average low temperature in January: 27.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in January
Chillum, 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
Chillum, MD
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Chillum, MD
- Average humidity in January: 72%
The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Chillum, MD
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
Chillum, MD
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in January
Chillum, MD
- Average snowfall in January: 2.87"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Chillum, MD
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 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
Chillum, MD
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Chillum, MD
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in January
Chillum, 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, November and December (UV index 2).
Average cloud cover in January
Chillum, MD
- Average cloud cover in January: 45
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
Chillum, 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).
Chillum, Maryland, USA
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