December weather forecastMillbury, OH
December
Weather in December
December, the first month of the winter in Millbury, is also a wintry month, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 27.3°F (-2.6°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 47.3°F (8.5°C) in November to a cold 36.5°F (2.5°C). The average low-temperature during December nights is a subzero cold 27.3°F (-2.6°C).Humidity
The average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 8.8 days and typically collects 1.38" (35mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Millbury, during December, snow falls for 9.6 days and regularly aggregates up to 2.05" (52mm) of snow. In Millbury, during the entire year, snow falls for 44.4 days and aggregates up to 12.6" (320mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Millbury, OH
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Millbury, OH
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Millbury, 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 (6.3mph).
Average humidity in December
Millbury, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Millbury, OH
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in December
Millbury, OH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Millbury, OH
- Average snowfall in December: 2.05"
The months with the highest snowfall are January and February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millbury, OH
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millbury, OH
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 3h and 30min
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 12min).
Average sunshine days in December
Millbury, OH
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is March (15.9 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Millbury, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Millbury, 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
Millbury, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
