January weather forecast
Scottsdale, AZ

Share
A scenic waterfront canal running through Scottsdale, Arizona
A scenic waterfront canal running through Scottsdale, Arizona

Weather in January

The year in Scottsdale, Arizona begins with chilly, yet moderate conditions, with temperatures rarely dropping below 46.9°F (8.3°C). The skies frequently shine clear, as January is one of the months boasting the fewest cloud cover. As the city experiences a low rainfall of barely over half an inch, the season's moisture comes primarily from the relatively high humidity. January sees the shortest days of the year, with just 10 hours of daylight. A light sweater may suffice for any outdoor activities thanks to a pleasant sunny exposure, and clear visibility.

Temperature

During January, Scottsdale observes a subtle ascent to a still refreshing 64°F (17.8°C) from December's 62.8°F (17.1°C) in the average high-temperature. Scottsdale temperatures generally rest at a low of 46.9°F (8.3°C) during the January nights.

Humidity

In Scottsdale, Arizona, the average relative humidity in January is 43%.

Rainfall

In Scottsdale, in January, it is raining for 4.3 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Scottsdale, there are 57.7 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Daylight

In Scottsdale, the average length of the day in January is 10h and 14min.
On the first day of January in Scottsdale, Arizona, sunrise is at 7:31 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:57 pm MST.

Sunshine

The average sunshine in January is 7.1h.

UV index

In January, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 4 in January leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What are January temperatures in Scottsdale?

The high-temperature, in January, in Scottsdale, is 64°F (17.8°C), while the low-temperature averages to 46.9°F (8.3°C).

What is the average humidity in January in Scottsdale?

In January, the average relative humidity in Scottsdale is 43%.

How much does it rain in Scottsdale in January?

In Scottsdale, in January, it is raining for 4.3 days, with typically 0.59" (15mm) of accumulated precipitation.

What is the average length of the day in January in Scottsdale?

In Scottsdale, the average day length in January is 10h and 14min.

When are sunrise and sunset in January in Scottsdale?

In January, on the first day of the month, sunrise is at 7:31 am and sunset at 5:30 pm. On the last day of the month, in Scottsdale, Arizona, sunrise is at 7:24 am and sunset at 5:57 pm MST.

How long on average sun shines in January in Scottsdale?

In Scottsdale, Arizona, the average sunshine duration in January is 7.1h.

How high is the UV index in January in Scottsdale?

In Scottsdale, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Scottsdale, AZ

Average temperature in January - Scottsdale, AZ
  • Average high temperature in January: 64°F

The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (62.8°F).

  • Average low temperature in January: 46.9°F

The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

Average pressure in January
Scottsdale, AZ

Average pressure in January - Scottsdale, 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 (29.81"Hg).

Average wind speed in January
Scottsdale, AZ

Average wind speed in January - Scottsdale, AZ
  • Average wind speed in January: 4.6mph

The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

Average humidity in January
Scottsdale, AZ

Average humidity in January - Scottsdale, 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 (16%).

Average rainfall in January
Scottsdale, AZ

Average rainfall in January - Scottsdale, AZ
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in January
Scottsdale, AZ

Average rainfall days in January - Scottsdale, AZ
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is June (1 days).

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

Average daylight in January / Average sunshine in January - Scottsdale, AZ
  • Average daylight in January: 10h and 1min

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 1min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

Average sunshine days in January
Scottsdale, AZ

Average sunshine days in January - Scottsdale, AZ
  • Average sunshine days in January: 26 days

The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in January
Scottsdale, AZ

Average UV index in January - Scottsdale, AZ
  • Average UV index in January: 4

The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in January
Scottsdale, AZ

Average cloud cover in January - Scottsdale, 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 5).

Average visibility in January
Scottsdale, AZ

Average visibility in January - Scottsdale, 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).

Scottsdale, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location