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 the onset of December, Tonalea experiences a modest temperature adjustment, with the average high-temperature receding from a cool 55.2°F (12.9°C) in November to a chilly 43.9°F (6.6°C). December nights are marked by an average low-temperature of 28.2°F (-2.1°C).Humidity
In Tonalea, the average relative humidity in December is 57%.Rainfall
In Tonalea, during December, the rain falls for 5.4 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Tonalea, during the entire year, the rain falls for 57 days and collects up to 4.92" (125mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.1 days and typically aggregates up to 1.77" (45mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Tonalea, sunrise is at 7:17 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:19 pm MST.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Tonalea, AZ
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Tonalea, AZ
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Tonalea, AZ
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).
Average humidity in December
Tonalea, AZ
- Average humidity in December: 57%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (18%).
Average rainfall in December
Tonalea, AZ
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is January (0.59").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in December
Tonalea, AZ
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is July (6.5 days).
The month with the least rainy days is June (2.6 days).
Average snowfall in December
Tonalea, AZ
- Average snowfall in December: 1.77"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Tonalea, AZ
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tonalea, AZ
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 7h
The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 7h).
Average sunshine days in December
Tonalea, AZ
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is June (26.7 days).
The month with the least sunshine days is February (20.7 days).
Average UV index in December
Tonalea, AZ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Tonalea, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and September (Cloud cover 8).
Average visibility in December
Tonalea, 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).
Tonalea, Arizona, USA
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