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
The coldest period is January, when temperatures fluctuate between an average high of 34.5°F (1.4°C) and a low of 22.1°F (-5.5°C).Humidity
In Hereford, the average relative humidity in January is 78%.Rainfall
In January, the rain falls for 8.1 days. Throughout January, 2.56" (65mm) of precipitation is accumulated. In Hereford, during the entire year, the rain falls for 156.9 days and collects up to 33.15" (842mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 9.3 days. Throughout January, 4.88" (124mm) of snow is accumulated. Throughout the year, in Hereford, there are 31.2 snowfall days, and 18.98" (482mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 41min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:18 pm EST.
Sunshine
In Hereford, the average sunshine in January is 4.5h.UV index
The months with the lowest UV index 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 hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Hereford have in January?
When is the sunrise / sunset in January in Hereford?
How long on average sun shines in January in Hereford?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Hereford, PA
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in January
Hereford, PA
- Average pressure in January: 30.09"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
Hereford, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Hereford, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Hereford, PA
- Average rainfall in January: 2.56"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in January
Hereford, PA
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in January
Hereford, PA
- Average snowfall in January: 4.88"
The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hereford, PA
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hereford, 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
Hereford, PA
- Average sunshine days in January: 16.1 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
Hereford, PA
- Average UV index in January: 2
The months with the highest UV index are June and 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
Hereford, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Hereford, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Hereford, Pennsylvania, USA
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