January weather forecastMesa, AZ
January
Weather in January
Mesa, Arizona's weather in January sees a noteworthy shift towards milder conditions, compared to December's chillier weather. The city experiences a balance of sunshine and a moderate amount of cloud coverage, creating a unique blend in this unusual winter season. A slight dip in visibility is observed, implying a thin layer of fog during the early mornings. The city's geographical positioning sees a gentle breeze instead of harsh winter winds, enhancing the overall charm of the place. However, after the December chills, January highlights an increase with the highest January temperature recorded at 63.9°F (17.7°C) and the lowest at 46.4°F (8°C).Temperature
In January, Mesa experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 62.4°F (16.9°C) in December to a still enjoyable 63.9°F (17.7°C). During the month of January, an average temperature of 46.4°F (8°C) is noted during the nights in Mesa, Arizona.Humidity
In Mesa, the average relative humidity in January is 43%.Rainfall
In Mesa, Arizona, during January, the rain falls for 4.8 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Mesa, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.Daylight
In Mesa, the average length of the day in January is 10h and 14min.On the first day of January in Mesa, sunrise is at 7:31 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:57 pm MST.
Sunshine
The average sunshine in January in Mesa is 7.1h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in January, converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mesa, AZ
- Average high temperature in January: 63.9°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in January: 46.4°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in January
Mesa, 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 (29.82"Hg).
Average wind speed in January
Mesa, AZ
- Average wind speed in January: 4.7mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in January
Mesa, 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
Mesa, AZ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Mesa, AZ
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).
Average daylight in January /
Average sunshine in January
Mesa, 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
Mesa, AZ
- Average sunshine days in January: 25.5 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in January
Mesa, 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
Mesa, 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
Mesa, 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).
