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
December weather is marked by a drop in the average high-temperature, falling from a chilly 47.8°F (8.8°C) in November to an icy 37.6°F (3.1°C). During the month of December, Millheim experiences a steady low-temperature average of 27.1°F (-2.7°C).Humidity
In Millheim, Ohio, the average relative humidity in December is 84%.Rainfall
In Millheim, Ohio, in December, during 10.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Millheim, there are 175.8 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Millheim, in December, snow falls for 14.9 days, with typically accumulated 5.43" (138mm) of snow. Throughout the year, in Millheim, Ohio, there are 71.6 snowfall days, and 27.09" (688mm) of snow is accumulated.Daylight
The month with the shortest days in Millheim is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:07 pm EST.
Sunshine
In Millheim, the average sunshine in December is 3.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Millheim?
What is the average humidity in December in Millheim?
How much does it rain in Millheim in December?
How much does it snow in Millheim in December?
What is the month with the shortest days in Millheim?
How many hours of daylight does Millheim have in December?
What time are sunrise and sunset in December in Millheim?
How many hours of sunshine does Millheim have in December?
When is the lowest UV index in Millheim?
What is the UV index intensity in December in Millheim?
Average temperature in December
Millheim, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Millheim, 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 (29.94"Hg).
Average wind speed in December
Millheim, OH
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in December
Millheim, OH
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in December
Millheim, OH
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Millheim, OH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Millheim, OH
- Average snowfall in December: 5.43"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millheim, OH
- Average snowfall days in December: 14.9 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millheim, 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 1min
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 36min).
Average sunshine days in December
Millheim, OH
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Millheim, 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
Millheim, OH
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Millheim, OH
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July and August (6mi).
The months with the lowest visibility are January and February (4mi).
Millheim, Ohio, USA
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