January weather forecastScottsdale, AZ
January
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
The advent of January observes an average high-temperature of a still refreshing 64°F (17.8°C), nearly identical to December's 62.8°F (17.1°C). In January, the temperature drops to an average of 46.9°F (8.3°C) at night.Humidity
In January, the average relative humidity in Scottsdale, Arizona, is 43%.Rainfall
In Scottsdale, during January, the rain falls for 4.3 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, in Scottsdale, there are 57.7 rainfall days, and 7.72" (196mm) of precipitation is accumulated.Daylight
The average length of the day in January is 10h and 14min.On the first day of January, 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
The average daily maximum UV index in January 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: In January, the UV index of 4 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 10h and 12min
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 6min
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: 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: 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: 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: 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).
