December weather forecastTiffin, OH
December
Weather in December
The first month of the winter, December, is also a wintry month in Tiffin, Ohio, with an average temperature fluctuating between 37°F (2.8°C) and 27.5°F (-2.5°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's frosty 47.5°F (8.6°C) to an icy 37°F (2.8°C). During December, the average low-temperature is recorded at a subzero cold 27.5°F (-2.5°C).Humidity
In Tiffin, the average relative humidity in December is 83%.Rainfall
In December, in Tiffin, Ohio, the rain falls for 11.5 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Tiffin, there are 172.5 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
Months with snowfall in Tiffin are January through May, October through December. In Tiffin, in December, snow falls for 11.3 days, with typically accumulated 3.23" (82mm) of snow. In Tiffin, during the entire year, snow falls for 54 days and aggregates up to 15.98" (406mm) of snow.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 7:39 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:14 pm EST.
Sunshine
In Tiffin, 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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tiffin, OH
- Average high temperature in December: 37°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 (30.7°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Tiffin, 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
Tiffin, OH
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in December
Tiffin, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Tiffin, OH
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Tiffin, OH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Tiffin, OH
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tiffin, OH
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tiffin, OH
- Average daylight in December: 9h and 18min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Tiffin, OH
- Average sunshine days in December: 11 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Tiffin, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Tiffin, OH
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Tiffin, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
