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 brings the lowest temperatures, with an average high of 59.9°F (15.5°C) and an average low of 44.1°F (6.7°C).Humidity
The most humid month is December, with an average relative humidity of 45%.Rainfall
In New River, in December, during 6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In New River, during the entire year, the rain falls for 65.9 days and collects up to 9.96" (253mm) of precipitation.Snowfall
January through August, October through December are months without snowfall in New River, Arizona.Daylight
December has the shortest days of the year in New River, Arizona, with an average of 9h and 54min of daylight.On the first day of December in New River, sunrise is at 7:16 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:30 pm MST.
Sunshine
The month with the least sunshine in New River is December, with an average of 6.8h of sunshine.UV index
The months with the lowest UV index in New River are November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 suggests this advice:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in New River?
What is the average December temperature in New River?
What is the most humid month in New River?
What is the average humidity in December in New River?
How many days does it rain in December in New River?
When it does not snow in New River?
What is the month with the shortest days in New River?
What is the average length of the day in December in New River?
What time are sunrise and sunset in December in New River?
What is the month with the least sunshine in New River?
How long on average sun shines in December in New River?
When is the lowest UV index in New River?
What is the UV index reading in December in New River?
Average temperature in December
New River, AZ
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is August (80.2°F).
The coldest months (with the lowest average low temperature) are January and December (44.1°F).
Average pressure in December
New River, AZ
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
New River, AZ
- Average wind speed in December: 5mph
The windiest months (with the highest average wind speed) are April and May (6.7mph).
The calmest month (with the lowest average wind speed) is December (5mph).
Average humidity in December
New River, AZ
- Average humidity in December: 45%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
New River, AZ
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
New River, AZ
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is June (1.9 days).
Average snowfall in December
New River, AZ
- Average snowfall in December: 0"
The month with the highest snowfall is September (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0").
Average snowfall days in December
New River, AZ
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
New River, AZ
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
New River, AZ
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is May (28 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
New River, AZ
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
New River, AZ
- Average cloud cover in December: 22
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in December
New River, AZ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
New River, Arizona, USA
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