Monthly weather forecast and climate
Casa Grande, AZ

Weather in January

January, the same as December, is another comfortable winter month in Casa Grande, Arizona, with average temperature varying between 46.4°F (8°C) and 63.9°F (17.7°C). In January, the average high-temperature is essentially the same as in December - a still enjoyable 63.9°F (17.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Casa Grande, Arizona, with average temperature varying between 49.1°F (9.5°C) and 67.3°F (19.6°C). In Casa Grande, the average high-temperature is practically the same as in January - a still comfortable 67.3°F (19.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Casa Grande, Arizona, with average temperature ranging between min 55°F (12.8°C) and max 75.9°F (24.4°C). In Casa Grande, the average high-temperature slightly increases, from an enjoyable 67.3°F (19.6°C) in February, to a warm 75.9°F (24.4°C). Weather in March »

Weather in April

April, the same as March, is a moderately hot spring month in Casa Grande, Arizona, with average temperature varying between 59.9°F (15.5°C) and 82.9°F (28.3°C). In Casa Grande, the average high-temperature in April slightly increases, from 75.9°F (24.4°C) in March, to a still warm 82.9°F (28.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Casa Grande, is a hot month, with average temperature fluctuating between 66.6°F (19.2°C) and 90.7°F (32.6°C). In May, the average high-temperature marginally rises, from a warm 82.9°F (28.3°C) in April, to a hot 90.7°F (32.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a sweltering month in Casa Grande, Arizona, with temperature in the range of an average high of 101.8°F (38.8°C) and an average low of 75.4°F (24.1°C). In June, the average high-temperature rises, from a tropical 90.7°F (32.6°C) in May, to a torrid 101.8°F (38.8°C). Weather in June »

Weather in July

July, like June, in Casa Grande, Arizona, is another sweltering summer month, with average temperature varying between 82.6°F (28.1°C) and 102°F (38.9°C). The warmest month is July, with an average high-temperature of 102°F (38.9°C) and an average low-temperature of 82.6°F (28.1°C). The average relative humidity in Casa Grande is 31%. Weather in July »

Weather in August

August, the last month of the summer, in Casa Grande, is another very hot month, with average temperature varying between 82.9°F (28.3°C) and 101.1°F (38.4°C). In August, the average high-temperature is almost the same as in July - a still very hot 101.1°F (38.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a sweltering month in Casa Grande, Arizona, with average temperature varying between 77.2°F (25.1°C) and 95.9°F (35.5°C). In Casa Grande, the average high-temperature in September is relatively the same as in August - a still torrid 95.9°F (35.5°C). Weather in September »

Weather in October

October, like September, in Casa Grande, Arizona, is a moderately hot autumn month, with average temperature ranging between min 65.7°F (18.7°C) and max 84.9°F (29.4°C). In October, the average high-temperature drops, from a very hot 95.9°F (35.5°C) in September, to a warm 84.9°F (29.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Casa Grande, Arizona, with average temperature varying between 54.7°F (12.6°C) and 73.2°F (22.9°C). In Casa Grande, the average high-temperature in November drops, from a moderately hot 84.9°F (29.4°C) in October, to an agreeable 73.2°F (22.9°C). Weather in November »

Weather in December

December, the first month of the winter, in Casa Grande, is also an enjoyable month, with average temperature varying between 62.6°F (17°C) and 46.8°F (8.2°C). The coldest month is December, with an average high-temperature of 62.6°F (17°C) and an average low-temperature of 46.8°F (8.2°C). Weather in December »
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FAQ

How much does it rain in Casa Grande?

Throughout the year, there are 59.1 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

What is the least humid month in Casa Grande?

The least humid month in Casa Grande, Arizona, is June, with an average relative humidity of 16%.

What is the driest month in Casa Grande?

June is the month with the least rainfall. Rain falls for 1.8 days and accumulates 0.12" (3mm) of precipitation.

When are the longest days in Casa Grande?

The month with the longest days in Casa Grande, Arizona, is June, with an average of 14.3h of daylight.

What month has the most sunshine in Casa Grande?

June has the most sunshine of the year, with an average of 12.2h of sunshine.

When is the highest UV index in Casa Grande?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the warmest month in Casa Grande?

The warmest month in Casa Grande is July, with an average high-temperature of 102°F (38.9°C) and an average low-temperature of 82.6°F (28.1°C).

What is the wettest month in Casa Grande?

The month with the most rainfall in Casa Grande, Arizona, is July when the rain falls for 10.7 days and typically aggregates up to 1.02" (26mm) of precipitation.

What is the coldest month in Casa Grande?

With an average high-temperature of 62.6°F (17°C) and an average low-temperature of 46.8°F (8.2°C), December is the coldest month in Casa Grande.

What is the most humid month in Casa Grande?

The most humid month in Casa Grande is December, with an average relative humidity of 45%.

What is the month with the shortest days in Casa Grande?

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

What is the month with the least sunshine in Casa Grande?

With an average of 6.9h of sunshine, December has the least sunshine of the year in Casa Grande, Arizona.

What is the month with the lowest UV index in Casa Grande?

With an average maximum UV index of 3, December is the month with the lowest UV index in Casa Grande, Arizona.

Average temperature
Casa Grande, AZ

Average temperature - Casa Grande, AZ

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).

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).

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Average pressure
Casa Grande, AZ

Average pressure - Casa Grande, AZ

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.81").

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Average wind speed
Casa Grande, AZ

Average wind speed - Casa Grande, AZ

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).

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Average rainfall
Casa Grande, AZ

Average rainfall - Casa Grande, AZ

The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days
Casa Grande, AZ

Average rainfall days - Casa Grande, AZ

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).

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Average daylight / Average sunshine
Casa Grande, AZ

Average daylight / Average sunshine - Casa Grande, AZ

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days
Casa Grande, AZ

Average sunshine days - Casa Grande, AZ

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (15.4 days).

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Average visibility
Casa Grande, AZ

Average visibility - Casa Grande, AZ

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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