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 is the month when Alta Manor experiences its coldest temperatures, averaging a high of 31.1°F (-0.5°C) and a low of 19.4°F (-7°C).Humidity
In Alta Manor, the average relative humidity in January is 83%.Rainfall
In Alta Manor, in January, during 10.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Alta Manor, during the entire year, the rain falls for 165 days and collects up to 25.31" (643mm) of precipitation.Snowfall
Months with snowfall in Alta Manor are January through May, October through December. The month with the most snowfall is January, when snow falls for 15.9 days and typically aggregates up to 5.28" (134mm) of snow.Daylight
In January, the average length of the day is 9h and 40min.On the first day of the month, sunrise is at 7:36 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:29 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most in Alta Manor?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Alta Manor have in January?
What is the UV index intensity in January?
Average temperature in January
Alta Manor, PA
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 19.4°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in January
Alta Manor, PA
- 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 (29.95"Hg).
Average wind speed in January
Alta Manor, PA
- Average wind speed in January: 9.2mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Alta Manor, PA
- Average humidity in January: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Alta Manor, PA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in January
Alta Manor, PA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in January
Alta Manor, PA
- Average snowfall in January: 5.28"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Alta Manor, PA
- Average snowfall days in January: 15.9 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alta Manor, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Alta Manor, PA
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in January
Alta Manor, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Alta Manor, PA
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Alta Manor, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Alta Manor, Pennsylvania, USA
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