January weather forecastSun City West, AZ

January

Weather in January

January, like December, in Sun City West, Arizona, is another comfortable winter month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 63.3°F (17.4°C).

Temperature

Sun City West in January witnesses an average high-temperature of a still comfortable 63.3°F (17.4°C), indicating a slight variation from December's 61.7°F (16.5°C). Throughout January, the temperature falls to an average low of 46°F (7.8°C).

Humidity

In Sun City West, Arizona, the average relative humidity in January is 43%.

Rainfall

In January, the rain falls for 3.8 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. In Sun City West, during the entire year, the rain falls for 60.7 days and collects up to 8.62" (219mm) of precipitation.

Daylight

The average length of the day in January is 10h and 13min.
On the first day of the month, sunrise is at 7:33 am and sunset at 5:31 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:59 pm MST.

Sunshine

In Sun City West, the average sunshine in January is 7h.

UV index

In Sun City West, Arizona, the average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat.

Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in January, in Sun City West, is 63.3°F (17.4°C), while the low-temperature averages to 46°F (7.8°C).

In Sun City West, the average relative humidity in January is 43%.

In Sun City West, in January, it is raining for 3.8 days, with typically 0.59" (15mm) of accumulated precipitation.

In Sun City West, the average day length in January is 10h and 13min.

On the first day of January, sunrise is at 7:33 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:59 pm MST.

In Sun City West, the average sunshine duration in January is 7h.

In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

61.7°F

63.3°F

66.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.2mph

5.4mph

5.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

24.5

26.3

23.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Sun City West, AZ

Average high temperature in January: 63.3°F

The warmest month (with the highest average high temperature) is July (101.7°F).
The month with the lowest average high temperature is December (61.7°F).

Average low temperature in January: 46°F

The month with the highest average low temperature is August (83.1°F).
The coldest months (with the lowest average low temperature) are January and December (46°F).

Average pressure in January
Sun City West, AZ

Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in January
Sun City West, AZ

Average wind speed in January: 4.9mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).

Average humidity in January
Sun City West, AZ

Average humidity in January: 43%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).

Average rainfall in January
Sun City West, AZ

Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days in January
Sun City West, AZ

Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is June (1.2 days).

Average daylight in January /
Average sunshine in January
Sun City West, AZ

Average daylight in January: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

Average sunshine in January: 7h and 0min

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 January
Sun City West, AZ

Average sunshine days in January: 26.3 days

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (15.2 days).

Average UV index in January
Sun City West, AZ

Average UV index in January: 4

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 January
Sun City West, AZ

Average cloud cover in January: 18

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in January
Sun City West, AZ

Average visibility in January: 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).