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
In Tiffin, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 46.2°F (7.9°C) to a wintry 33.8°F (1°C). Tiffin, during the nights of December, experiences an average temperature drop to a subzero cold 22.8°F (-5.1°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Tiffin, in December, during 6.5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Tiffin, there are 134.7 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Tiffin, during December, snow falls for 7.3 days and regularly aggregates up to 1.97" (50mm) of snow. In Tiffin, during the entire year, snow falls for 36.6 days and aggregates up to 14.21" (361mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:46 pm CST.
Sunshine
In Tiffin, the average sunshine in December is 4.5h.UV index
In December, the average daily maximum UV index in Tiffin, Iowa, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in Tiffin in December?
What is the average humidity in December in Tiffin?
How many days does it rain in December in Tiffin?
How many days does it snow in December in Tiffin?
What is the month with the shortest days in Tiffin?
What is the average length of the day in December in Tiffin?
When are sunrise and sunset in December in Tiffin?
How many hours of sunshine does Tiffin have in December?
What is the UV index reading in December in Tiffin?
Average temperature in December
Tiffin, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Tiffin, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Tiffin, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Tiffin, IA
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Tiffin, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Tiffin, IA
- Average rainfall days in December: 6.5 days
The months with the highest number of rainy days are May and June (17 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Tiffin, IA
- Average snowfall in December: 1.97"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Tiffin, IA
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tiffin, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Tiffin, IA
- Average sunshine days in December: 18.1 days
The months with the most sunshine days are October, November and December (18.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Tiffin, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Tiffin, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Tiffin, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Tiffin, Iowa, USA
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