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
As December commences, the average high-temperature shows a reduction, transitioning from a frosty 49.8°F (9.9°C) in November to an icy 40.3°F (4.6°C). Dauphin's nights in December experience an average temperature drop to a subzero cold 28.8°F (-1.8°C).Humidity
In Dauphin, Pennsylvania, the average relative humidity in December is 79%.Rainfall
In Dauphin, during December, the rain falls for 11 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Dauphin, there are 161.8 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Dauphin, during December, snow falls for 5.5 days and regularly aggregates up to 2.01" (51mm) of snow. In Dauphin, during the entire year, snow falls for 28.8 days and aggregates up to 15.67" (398mm) of snow.Daylight
December has the shortest days of the year in Dauphin, with an average of 9h and 18min of daylight.On the first day of December in Dauphin, sunrise is at 7:12 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine in Dauphin is 4.5h.UV index
The months with the lowest UV index in Dauphin are January through March, 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 high UV index of 2 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it cold in Dauphin during December?
What is the average humidity in December in Dauphin?
How much does it rain in Dauphin in December?
How much does it snow in Dauphin in December?
What is the month with the shortest days in Dauphin?
How many hours of daylight does Dauphin have in December?
When are sunrise and sunset in December in Dauphin?
How many hours of sunshine does Dauphin have in December?
When is the lowest UV index in Dauphin?
How high is the UV index in December in Dauphin?
Average temperature in December
Dauphin, PA
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Dauphin, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Dauphin, PA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Dauphin, PA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are March and April (75%).
Average rainfall in December
Dauphin, PA
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Dauphin, PA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in December
Dauphin, PA
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dauphin, PA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dauphin, 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 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 December
Dauphin, PA
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Dauphin, PA
- Average UV index in December: 2
The months with the highest UV index are May, 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
Dauphin, PA
- Average cloud cover in December: 52
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Dauphin, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May and September (5mi).
Dauphin, Pennsylvania, USA
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