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
Mammoth's January weather, marked by an average high temperature of 33.3°F (0.7°C) and an average low temperature of 20.3°F (-6.5°C), is the coldest in the year.Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
In January, the rain falls for 9.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 185.4 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mammoth, Pennsylvania, are January through May, October through December. January is the month with the most snowfall in Mammoth. Snow falls for 17.3 days and accumulates 7.09" (180mm) of snow.Daylight
In January, the average length of the day in Mammoth, Pennsylvania, is 9h and 42min.On the first day of January in Mammoth, sunrise is at 7:40 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:34 pm EST.
Sunshine
January has the least sunshine of the year in Mammoth, Pennsylvania, with an average of 3h of sunshine.UV index
The months with the lowest UV index in Mammoth are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What part of the year is the coldest in Mammoth?
How cold is it in Mammoth in January?
What are the most humid months in Mammoth?
What is the average humidity in January in Mammoth?
How many days does it rain in January in Mammoth?
When does it snow the most in Mammoth?
How much does it snow in Mammoth in January?
What is the average length of the day in January in Mammoth?
When are sunrise and sunset in January in Mammoth?
What is the month with the least sunshine in Mammoth?
How long on average sun shines in January in Mammoth?
What are the months with the lowest UV index in Mammoth?
What is the UV index intensity in January in Mammoth?
Average temperature in January
Mammoth, PA
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Mammoth, PA
- 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
Mammoth, PA
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Mammoth, PA
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Mammoth, PA
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in January
Mammoth, PA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Mammoth, PA
- Average snowfall in January: 7.09"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mammoth, PA
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mammoth, 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 24min).
- Average sunshine in January: 3h
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3h).
Average sunshine days in January
Mammoth, PA
- Average sunshine days in January: 6.5 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in January
Mammoth, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Mammoth, PA
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Mammoth, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Mammoth, Pennsylvania, USA
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