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 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, with an average high of 62.4°F (16.9°C) and a low of 46.6°F (8.1°C), signifies the coldest month of the year.Humidity
The most humid month in Mesa is December, with an average relative humidity of 44%.Rainfall
In Mesa, Arizona, during December, the rain falls for 6.8 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Mesa, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.Daylight
The month with the shortest days in Mesa is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:30 pm MST.
Sunshine
December has the least sunshine of the year in Mesa, with an average of 6.8h of sunshine.UV index
The month with the lowest UV index in Mesa is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Mesa?
What are December temperatures in Mesa?
What is the most humid month in Mesa?
What is the average humidity in December in Mesa?
How many days does it rain in December in Mesa?
What is the month with the shortest days in Mesa?
How many hours of daylight does Mesa have in December?
When are sunrise and sunset in December in Mesa?
What is the month with the least sunshine in Mesa?
How many hours of sunshine does Mesa have in December?
What is the month with the lowest UV index in Mesa?
How high is the UV index in December in Mesa?
Average temperature in December
Mesa, AZ
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in December: 46.6°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Mesa, AZ
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Mesa, AZ
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in December
Mesa, AZ
- Average humidity in December: 44%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Mesa, AZ
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Mesa, AZ
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).
Average daylight in December /
Average sunshine in December
Mesa, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Mesa, AZ
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in December
Mesa, AZ
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Mesa, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Mesa, 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).
Mesa, Arizona, USA
Weather forecast for your location
2. Allow the app to use your location