January weather forecastGrowler, AZ

January

Weather in January

January, like December, in Growler, Arizona, is another refreshing winter month, with an average temperature ranging between max 66.6°F (19.2°C) and min 49.6°F (9.8°C).

Temperature

Growler records a slight change with January's average high-temperatures adjusting to a still refreshing 66.6°F (19.2°C) from December's 64.8°F (18.2°C). Nighttime temperatures consistently average a chilly 49.6°F (9.8°C) during January.

Humidity

In Growler, Arizona, the average relative humidity in January is 38%.

Rainfall

In Growler, during January, the rain falls for 2.8 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 39.5 rainfall days, and 4.06" (103mm) of precipitation is accumulated.

Daylight

The average length of the day in January is 10h and 17min.
On the first day of January, sunrise is at 7:37 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:06 pm MST.

Sunshine

In January, the average sunshine is 7.8h.

UV index

The average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in January, in Growler, is 66.6°F (19.2°C) and the average low-temperature is 49.6°F (9.8°C).

In January, the average relative humidity is 38%.

In Growler, in January, it is raining for 2.8 days, with typically 0.31" (8mm) of accumulated precipitation.

In January, the average day length is 10h and 17min.

In January, on the first day of the month, sunrise is at 7:37 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 6:06 pm MST.

In Growler, the average sunshine duration in January is 7.8h.

In January, the average daily maximum UV index in Growler is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Dec

January

Feb

Average high temperature

64.8°F

66.6°F

69.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.2mph

6.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

27.2

27.7

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Growler, AZ

Average high temperature in January: 66.6°F

The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.8°F).

Average low temperature in January: 49.6°F

The month with the highest average low temperature is August (86.2°F).
The coldest months (with the lowest average low temperature) are January and December (49.6°F).

Average pressure in January
Growler, AZ

Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).

Average wind speed in January
Growler, AZ

Average wind speed in January: 5.7mph

The windiest month (with the highest average wind speed) is July (8.6mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).

Average humidity in January
Growler, AZ

Average humidity in January: 38%

The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).

Average rainfall in January
Growler, AZ

Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").

Average rainfall days in January
Growler, AZ

Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is May (1 days).

Average daylight in January /
Average sunshine in January
Growler, AZ

Average daylight in January: 10h and 18min

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 January: 7h and 48min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in January
Growler, AZ

Average sunshine days in January: 27.7 days

The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).

Average UV index in January
Growler, AZ

Average UV index in January: 5

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

Average cloud cover in January
Growler, AZ

Average cloud cover in January: 15

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in January
Growler, 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).