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
With December's onset, the weather shows a temperature decrease, transitioning from a fresh 50.2°F (10.1°C) in November to an icy 39.7°F (4.3°C). During the month of December, Needham anticipates a mean low-temperature of 28.8°F (-1.8°C).Humidity
July and December, with an average relative humidity of 82%, are the most humid months in Needham.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 156.3 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Needham, in December, snow falls for 7.6 days, with typically accumulated 2.24" (57mm) of snow. Throughout the year, there are 34.2 snowfall days, and 9.29" (236mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Needham, sunrise is at 7:45 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:30 pm EST.
Sunshine
In Needham, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Needham?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Needham, IN
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Needham, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Needham, IN
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Needham, IN
- Average humidity in December: 82%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Needham, IN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Needham, IN
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Needham, IN
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Needham, IN
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Needham, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Needham, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Needham, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Needham, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Needham, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Needham, Indiana, USA
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