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 start of December comes with a reduction in the average high-temperature, receding from a chilly 46.9°F (8.3°C) in November to a wintry 35.8°F (2.1°C). In December, the nighttime temperature in Plymouth, Indiana, lowers to an average of 26.2°F (-3.2°C).Humidity
The average relative humidity in December in Plymouth is 83%.Rainfall
In Plymouth, in December, it is raining for 8.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Plymouth, during the entire year, the rain falls for 150.8 days and collects up to 19.21" (488mm) of precipitation.Snowfall
Months with snowfall in Plymouth are January through May, October through December. In Plymouth, in December, during 11.4 snowfall days, 1.97" (50mm) of snow is typically accumulated. In Plymouth, during the entire year, snow falls for 52.2 days and aggregates up to 10.63" (270mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 5:16 pm. On the last day of December, in Plymouth, sunrise is at 8:11 am and sunset at 5:26 pm EST.
Sunshine
In Plymouth, the average sunshine in December is 3.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Plymouth in December?
What is the average humidity in December in Plymouth?
How much does it rain in Plymouth in December?
How many days does it snow in December in Plymouth?
What is the month with the shortest days in Plymouth?
How many hours of daylight does Plymouth have in December?
What time are sunrise and sunset in December in Plymouth?
How long on average sun shines in December in Plymouth?
When is the lowest UV index in Plymouth?
What is the UV index intensity in December in Plymouth?
Average temperature in December
Plymouth, IN
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Plymouth, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Plymouth, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Plymouth, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Plymouth, IN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Plymouth, IN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Plymouth, IN
- Average snowfall in December: 1.97"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plymouth, IN
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plymouth, IN
- Average daylight in December: 9h and 1min
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 4min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Plymouth, IN
- Average sunshine days in December: 13.1 days
The months with the most sunshine days are October and November (15.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Plymouth, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Plymouth, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Plymouth, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Plymouth, Indiana, USA
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