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 38.1°F (3.4°C) and a low of 26.2°F (-3.2°C).Humidity
The average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 2.05" (52mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
In Westchester, the average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:25 pm EST.
Sunshine
In Westchester, the average sunshine in January is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Is January cold?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January in Westchester?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Westchester have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Westchester have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Westchester, MD
- Average high temperature in January: 38.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in January: 26.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
Westchester, MD
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Westchester, MD
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Westchester, MD
- Average humidity in January: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Westchester, MD
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in January
Westchester, MD
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in January
Westchester, MD
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Westchester, MD
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is January (4.9 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
Westchester, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Westchester, MD
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in January
Westchester, 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, November and December (UV index 2).
Average cloud cover in January
Westchester, MD
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Westchester, MD
- 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).
Westchester, Maryland, USA
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