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
Lewistown experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 48°F (8.9°C) in November to an icy 37.4°F (3°C). Throughout the December nights, Lewistown encounters a low-temperature of 27.3°F (-2.6°C).Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Lewistown, during the entire year, the rain falls for 173.3 days and collects up to 33.43" (849mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lewistown, in December, during 10.1 snowfall days, 2.99" (76mm) of snow is typically accumulated. Throughout the year, there are 47.4 snowfall days, and 15.63" (397mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:40 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Lewistown?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lewistown have in December?
When are sunrise and sunset in December in Lewistown?
How many hours of sunshine does Lewistown have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Lewistown, OH
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Lewistown, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Lewistown, OH
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Lewistown, OH
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Lewistown, OH
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Lewistown, OH
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Lewistown, OH
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lewistown, OH
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lewistown, OH
- 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: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Lewistown, OH
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in December
Lewistown, OH
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Lewistown, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lewistown, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Lewistown, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location