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 proves to be the coldest month, recording an average maximum temperature of 29.8°F (-1.2°C) and a minimum temperature of 18°F (-7.8°C).Humidity
In January, the average relative humidity is 83%.Rainfall
The months with the least rainfall are January and September Rain falls for 5.2 days and accumulates 1.38" (35mm) of rain.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 9.6 days. Throughout January, 4.65" (118mm) of snow is accumulated. Throughout the year, there are 48.4 snowfall days, and 22.01" (559mm) of snow is accumulated.Daylight
The average length of the day in January in Crestwood is 9h and 35min.On the first day of January, sunrise is at 7:28 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm EST.
Sunshine
In January, the average sunshine is 3.6h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 1 in January leads to these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Crestwood?
How cold is January?
What is the average humidity in January in Crestwood?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Crestwood have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Crestwood?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Crestwood, PA
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Crestwood, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Crestwood, PA
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Crestwood, PA
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in January
Crestwood, PA
- Average rainfall in January: 1.38"
The wettest months (with the highest rainfall) are May and July (2.4").
The driest months (with the least rainfall) are January and September (1.38").
Average rainfall days in January
Crestwood, PA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in January
Crestwood, PA
- Average snowfall in January: 4.65"
The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Crestwood, PA
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Crestwood, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in January
Crestwood, PA
- Average sunshine days in January: 18.4 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Crestwood, PA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Crestwood, PA
- Average cloud cover in January: 63
The months with the most cloud cover are February and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in January
Crestwood, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Crestwood, Pennsylvania, USA
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