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 that records the lowest temperatures, with averages ranging from a high of 36.9°F (2.7°C) to a low of 24.8°F (-4°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Longwood, in January, during 6.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Longwood, during the entire year, the rain falls for 135 days and collects up to 17.76" (451mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In January, in Longwood, it is snowing for 5.2 days. Throughout January, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 16.6 snowfall days, and 5.47" (139mm) of snow is accumulated.Daylight
In Longwood, the average length of the day in January is 9h and 44min.On the first day of January in Longwood, sunrise is at 7:24 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:20 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
The months with the lowest UV index in Longwood, Pennsylvania, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What month is the coldest in Longwood?
How cold is January in Longwood?
What is the average humidity in January in Longwood?
How much does it rain in Longwood in January?
How many days does it snow in January in Longwood?
What is the average length of the day in January in Longwood?
When is the sunrise / sunset in January in Longwood?
How many hours of sunshine does Longwood have in January?
When is the lowest UV index in Longwood?
What is the UV index reading in January in Longwood?
Average temperature in January
Longwood, PA
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Longwood, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Longwood, PA
- Average wind speed in January: 8.6mph
The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Longwood, PA
- Average humidity in January: 76%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Longwood, PA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in January
Longwood, PA
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in January
Longwood, PA
- Average snowfall in January: 1.38"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Longwood, PA
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Longwood, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Longwood, PA
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in January
Longwood, PA
- 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
Longwood, PA
- Average cloud cover in January: 45
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Longwood, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Longwood, Pennsylvania, USA
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