January weather forecastFountain Hills, AZ
January
Weather in January
Transitioning from chilly December, January in Fountain Hills, Arizona, USA, introduces the new year with slightly milder temperatures, though still presents a crisp winter touch. January hosts weather conditions bearing low relative humidity and limited rainfall, indicating a propensity for dry weather. Clear days are often, allowing sunshine to dominate for an average duration exceeding seven hours daily. Visibility tends to be excellent throughout the month, promoting ample opportunities for outdoor sightseeing. Notably, the month’s temperature ranges from 44.6°F (7°C) to 61.7°F (16.5°C), providing a cool but not unbearable climate for the residents.Temperature
The transition into January reveals an average high-temperature of a comfortable 61.7°F (16.5°C), mirroring a close resemblance to December. Nighttime temperatures in January average to a chilly 44.6°F (7°C).Humidity
In January, the average relative humidity in Fountain Hills, Arizona, is 45%.Rainfall
In January, the rain falls for 5.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Fountain Hills, there are 67.9 rainfall days, and 10" (254mm) of precipitation is accumulated.Daylight
In Fountain Hills, Arizona, the average length of the day in January is 10h and 13min.On the first day of January in Fountain Hills, sunrise is at 7:31 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:56 pm MST.
Sunshine
In Fountain Hills, the average sunshine in January is 7.1h.UV index
In Fountain Hills, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during January morphs into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fountain Hills, AZ
- Average high temperature in January: 61.7°F
The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in January: 44.6°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is December (44.2°F).
Average pressure in January
Fountain Hills, AZ
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Fountain Hills, AZ
- Average wind speed in January: 5.1mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest month (with the lowest average wind speed) is December (4.8mph).
Average humidity in January
Fountain Hills, AZ
- Average humidity in January: 45%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (17%).
Average rainfall in January
Fountain Hills, AZ
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (1.54").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in January
Fountain Hills, AZ
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is June (1.6 days).
Average daylight in January /
Average sunshine in January
Fountain Hills, 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 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
Fountain Hills, AZ
- Average sunshine days in January: 24.8 days
The month with the most sunshine days is May (28 days).
The month with the least sunshine days is July (14 days).
Average UV index in January
Fountain Hills, 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
Fountain Hills, AZ
- Average cloud cover in January: 19
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in January
Fountain Hills, 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).
