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
The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 47.8°F (8.8°C) to a cold 37.6°F (3.1°C). During December nights, Rittman witnesses a consistent average temperature of 26.6°F (-3°C).Humidity
In Rittman, the average relative humidity in December is 84%.Rainfall
In Rittman, in December, it is raining for 11.5 days, with typically 2.4" (61mm) of accumulated precipitation. In Rittman, during the entire year, the rain falls for 175.6 days and collects up to 31.57" (802mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 13.6 days. Throughout December, 4.53" (115mm) of snow is accumulated. In Rittman, during the entire year, snow falls for 66.5 days and aggregates up to 23.62" (600mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:33 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:09 pm EST.
Sunshine
The average sunshine in December in Rittman is 3.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. 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
Is it cold in Rittman during December?
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Rittman have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rittman, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Rittman, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rittman, OH
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Rittman, OH
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May and July (78%).
Average rainfall in December
Rittman, OH
- Average rainfall in December: 2.4"
The wettest months (with the highest rainfall) are June and July (3.19").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Rittman, OH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (19.3 days).
The months with the least rainy days are January and February (9.2 days).
Average snowfall in December
Rittman, OH
- Average snowfall in December: 4.53"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Rittman, OH
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rittman, OH
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Rittman, OH
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Rittman, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Rittman, OH
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Rittman, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Rittman, Ohio, USA
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