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 Slate Valley, Pennsylvania, sees the lowest average temperatures, with a high of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C).Humidity
In January, the average relative humidity is 80%.Rainfall
In January, the rain falls for 7.6 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. In Slate Valley, during the entire year, the rain falls for 155.1 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall in Slate Valley are January and March, with an average 4.41" (112mm) of accumulated snow.Daylight
In Slate Valley, the average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January in Slate Valley is 4.5h.UV index
The average daily maximum UV index in January in Slate Valley is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, an average UV index of 2 transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the coldest time of year in Slate Valley?
How cold is it in Slate Valley in January?
What is the average humidity in January in Slate Valley?
How many days does it rain in January in Slate Valley?
What is the snowiest month in Slate Valley?
How many days does it snow in January in Slate Valley?
What is the average length of the day in January in Slate Valley?
What time are sunrise and sunset in January in Slate Valley?
How many hours of sunshine does Slate Valley have in January?
How high is the UV index in January in Slate Valley?
Average temperature in January
Slate Valley, PA
- Average high temperature in January: 32.5°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 (32.5°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Slate Valley, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Slate Valley, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Slate Valley, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Slate Valley, PA
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Slate Valley, PA
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in January
Slate Valley, PA
- Average snowfall in January: 4.41"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Slate Valley, PA
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Slate Valley, 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: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Slate Valley, PA
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Slate Valley, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Slate Valley, PA
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Slate Valley, 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).
Slate Valley, Pennsylvania, USA
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