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 subtle decrease in the average high-temperature marks December in Oil City, falling from November's frosty 45.5°F (7.5°C) to a wintry 36.1°F (2.3°C). Oil City, during the month of December, experiences an average low-temperature of 25.9°F (-3.4°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Oil City, during December, the rain falls for 10.9 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Oil City, there are 177.7 rainfall days, and 35.67" (906mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Oil City, in December, during 17.6 snowfall days, 8.62" (219mm) of snow is typically accumulated. Throughout the year, there are 86.5 snowfall days, and 43.07" (1094mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Oil City.On the first day of the month, sunrise is at 7:26 am and sunset at 4:49 pm. On the last day of December, in Oil City, sunrise is at 7:44 am and sunset at 4:59 pm EST.
Sunshine
In Oil City, the average sunshine in December is 2.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Oil City?
How many days does it snow in December?
What is the month with the shortest days in Oil City?
What is the average length of the day in December?
When are sunrise and sunset in December in Oil City?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Oil City, PA
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Oil City, 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
Oil City, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Oil City, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Oil City, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
Oil City, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Oil City, PA
- Average snowfall in December: 8.62"
The month with the highest snowfall is January (10.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oil City, PA
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oil City, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Oil City, PA
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Oil City, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Oil City, PA
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Oil City, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Oil City, Pennsylvania, USA
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