Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A shift in Hereford's weather is observed as November turns into December, with the average high temperature reducing from a fresh 50°F (10°C) to a cold 40.3°F (4.6°C). Hereford's temperature in December lowers to a consistent average of 28.9°F (-1.7°C) during the nights.Humidity
In Hereford, Pennsylvania, the average relative humidity in December is 80%.Rainfall
In Hereford, in December, during 10.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 156.9 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hereford are January through May, October through December. In Hereford, in December, during 5.2 snowfall days, 2.87" (73mm) of snow is typically accumulated. Throughout the year, there are 31.2 snowfall days, and 18.98" (482mm) of snow is accumulated.Daylight
The month with the shortest days in Hereford is December, with an average of 9h and 18min of daylight.On the first day of December in Hereford, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine in Hereford is 4.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hereford. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold does it get in Hereford in December?
What is the average humidity in December in Hereford?
How many days does it rain in December in Hereford?
How many days does it snow in December in Hereford?
What is the month with the shortest days in Hereford?
What is the average length of the day in December in Hereford?
When is the sunrise / sunset in December in Hereford?
How long on average sun shines in December in Hereford?
What are the months with the lowest UV index in Hereford?
What is the UV index reading in December in Hereford?
Average temperature in December
Hereford, PA
- Average high temperature in December: 40.3°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 December: 28.9°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 December
Hereford, PA
- Average pressure in December: 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 December
Hereford, PA
- Average wind speed in December: 7.6mph
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 December
Hereford, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Hereford, PA
- Average rainfall in December: 3.03"
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 December
Hereford, PA
- Average rainfall days in December: 10.8 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 December
Hereford, PA
- Average snowfall in December: 2.87"
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 December
Hereford, PA
- Average snowfall days in December: 5.2 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 December /
Average sunshine in December
Hereford, PA
- Average daylight in December: 9h and 2min
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 December: 4h and 4min
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 December
Hereford, PA
- Average sunshine days in December: 15.8 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 December
Hereford, PA
- Average UV index in December: 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 December
Hereford, PA
- Average cloud cover in December: 51
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 December
Hereford, PA
- Average visibility in December: 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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