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
Sylmar reaches its lowest average temperatures in January, measuring 36.7°F (2.6°C) at the peak and 24.6°F (-4.1°C) at the lowest.Humidity
January, March, April and November, with an average relative humidity of 76%, are the least humid months.Rainfall
The month with the least rainfall is January, when the rain falls for 6 days and typically collects 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 4.8 days. Throughout January, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 16.2 snowfall days, and 5.35" (136mm) of snow is accumulated.Daylight
In Sylmar, the average length of the day in January is 9h and 44min.On the first day of January, sunrise is at 7:25 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:21 pm EST.
Sunshine
In Sylmar, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index 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 exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January in Sylmar?
What are the least humid months in Sylmar?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Sylmar have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Sylmar have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Sylmar, PA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 24.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in January
Sylmar, 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
Sylmar, PA
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Sylmar, PA
- Average humidity in January: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in January
Sylmar, PA
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Sylmar, PA
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Sylmar, PA
- Average snowfall in January: 1.5"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Sylmar, PA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Sylmar, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Sylmar, PA
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in January
Sylmar, 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
Sylmar, 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 32).
Average visibility in January
Sylmar, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Sylmar, Pennsylvania, USA
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