December weather forecastLowell, AZ

December

Weather in December

The first month of the winter, December, is also a moderate month in Lowell, Arizona, with an average temperature ranging between min 37.2°F (2.9°C) and max 56.1°F (13.4°C).

Temperature

Lowell, Arizona, experiences its lowest average temperatures in December, reaching a peak of 56.1°F (13.4°C) and a minimum of 37.2°F (2.9°C).

Humidity

The most humid month is December, with an average relative humidity of 49%.

Rainfall

In December, in Lowell, Arizona, the rain falls for 5.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 82 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:01 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:27 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 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 3 during December translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Lowell, December records the average lowest temperatures, peaking at 56.1°F (13.4°C) and reaching a low of 37.2°F (2.9°C).

In Lowell, in December, the average high-temperature is 56.1°F (13.4°C), and the average low-temperature is 37.2°F (2.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 84.2°F (29°C).

The most humid month is December, with an average relative humidity of 49%.

In Lowell, Arizona, the average relative humidity in December is 49%.

In December, the rain falls for 5.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 1.3" (33mm) of snow.

In December, in Lowell, it is snowing for 1.2 days. Throughout December, 1.3" (33mm) of snow is accumulated.

December has the shortest days of the year, with an average of 10h and 6min of daylight.

The average day length in December is 10h and 8min.

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:27 pm MST.

With an average of 7h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration is 7h.

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Lowell.

In Lowell, Arizona, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

65.3°F

56.1°F

57.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5mph

7mph

6.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

25.2

24.4

25.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Lowell, AZ

Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average pressure in December
Lowell, AZ

Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Lowell, AZ

Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Lowell, AZ

Average humidity in December: 49%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

Average rainfall in December
Lowell, AZ

Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

Average rainfall days in December
Lowell, AZ

Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

Average snowfall in December
Lowell, AZ

Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Lowell, AZ

Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Lowell, AZ

Average daylight in December: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Lowell, AZ

Average sunshine days in December: 24.4 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Lowell, AZ

Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Lowell, AZ

Average cloud cover in December: 20

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

Average visibility in December
Lowell, 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).