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 is Casa Grande's coldest month, registering average high temperatures of 62.6°F (17°C) and lows of 46.8°F (8.2°C).Humidity
The most humid month is December, with an average relative humidity of 45%.Rainfall
In Casa Grande, in December, it is raining for 6.4 days, with typically 0.87" (22mm) of accumulated precipitation. In Casa Grande, during the entire year, the rain falls for 59.1 days and collects up to 7.36" (187mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:31 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 6.9h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Casa Grande have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Casa Grande have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Casa Grande, AZ
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Casa Grande, 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 (29.81"Hg).
Average wind speed in December
Casa Grande, AZ
- Average wind speed in December: 4.9mph
The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.9mph).
Average humidity in December
Casa Grande, 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 (16%).
Average rainfall in December
Casa Grande, AZ
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Casa Grande, AZ
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.8 days).
Average daylight in December /
Average sunshine in December
Casa Grande, 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 54min).
Average sunshine days in December
Casa Grande, AZ
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in December
Casa Grande, 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
Casa Grande, 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 6).
Average visibility in December
Casa Grande, 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).
Casa Grande, Arizona, USA
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