January 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).

Temperature

In January, the average high-temperature is essentially the same as in December - a still enjoyable 63.9°F (17.7°C). In January, the average low-temperature is 46.4°F (8°C).

Humidity

The average relative humidity in January is 44%.

Rainfall

In Casa Grande, in January, it is raining for 4.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 59.1 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Daylight

In January, the average length of the day in Casa Grande is 10.3h.

Sunshine

The average sunshine in Casa Grande is 7h.

UV index

In Casa Grande, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in January in Casa Grande?

The average high-temperature, in January, is 63.9°F (17.7°C), while the average low-temperature is 46.4°F (8°C).

What is the average humidity in January in Casa Grande?

In Casa Grande, Arizona, the average relative humidity in January is 44%.

How many days does it rain in January in Casa Grande?

In Casa Grande, during January, the rain falls for 4.3 days and regularly aggregates up to 0.63" (16mm) of precipitation.

What is the average length of the day in January in Casa Grande?

In January, the average length of the day in Casa Grande, Arizona, is 10.3h.

How many hours of sunshine does Casa Grande have in January?

The average sunshine in January is 7h.

What is the UV index intensity in January in Casa Grande?

In Casa Grande, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in January
Casa Grande, AZ

Average temperature in January - Casa Grande, AZ
  • Average high temperature in January: 63.9°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 January: 46.4°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 in January
Casa Grande, AZ

Average pressure in January - Casa Grande, AZ
  • Average pressure in January: 30.08"

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 in January
Casa Grande, AZ

Average wind speed in January - Casa Grande, AZ
  • Average wind speed in January: 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).

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Average humidity in January
Casa Grande, AZ

Average humidity in January - Casa Grande, AZ
  • Average humidity in January: 44%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (16%).

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Average rainfall in January
Casa Grande, AZ

Average rainfall in January - Casa Grande, AZ
  • Average rainfall in January: 0.63"

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 in January
Casa Grande, AZ

Average rainfall days in January - Casa Grande, AZ
  • Average rainfall days in January: 4.3 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).

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Average daylight in January /
Average sunshine in January
Casa Grande, AZ

Average daylight in January / Average sunshine in January - Casa Grande, AZ
  • Average daylight in January: 10.3h

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

  • Average sunshine in January: 7h

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 in January
Casa Grande, AZ

Average sunshine days in January - Casa Grande, AZ
  • Average sunshine days in January: 26.1 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).

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Average UV index in January
Casa Grande, AZ

Average UV index in January - Casa Grande, AZ
  • Average UV index in January: 4

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).

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Average cloud cover in January
Casa Grande, AZ

Average cloud cover in January - Casa Grande, AZ
  • Average cloud cover in January: 18

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in January
Casa Grande, AZ

Average visibility in January - Casa Grande, AZ
  • Average visibility in January: 6mi

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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