January weather forecast
Arizona, USA

January is one of the chillier months in Arizona, setting the tone for the state's winter. The climate can vary greatly depending on the region. In the southern desert areas, daytime temperatures are relatively mild, hovering between 65°F (18.3°C) and 75°F (23.9°C). However, nights can be cold, with temperatures frequently dropping close to or below freezing.

The northern highlands and mountainous regions, particularly around cities like Flagstaff, face much colder conditions. Here, temperatures can fall well below 32°F (0°C), and the mercury can even touch 0°F (-17.8°C) during exceptionally cold spells. It is in these regions that the state sees most of its snowfall, with accumulation sometimes reaching up to 20" (508mm) in January alone. This contrasts sharply with the southern regions, which see little to no snow.

Compared to December, January is a tad colder, especially during the nights, but not by a significant margin. However, when looking ahead to February, while the overall chill remains, the conditions tend to be slightly milder, hinting at the approaching spring.

Cities like Phoenix, situated in the southern part of the state, enjoy mild days but still require warmer attire as temperatures drop in the evening. Conversely, Flagstaff, in the northern part, is a hub for winter sports enthusiasts during this month due to its colder climate and consistent snowfall.

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• Phoenix - January »
  In Phoenix snow does not fall in January through August, October through December. Phoenix starts January with an average high-temperature of a still comfortable 64.2°F (17.9°C), a minor shift from December's 63°F (17.2°C).
• Tucson - January »
  In Tucson, during January, the rain falls for 4.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. On the first day of January in Tucson sunrise is at 7:24 am and sunset at 5:29 pm.
• Mesa - January »
  Mesa marks the start of January with an average high-temperature of a still refreshing 63.9°F (17.7°C), hinting at a slight fluctuation from December's 62.4°F (16.9°C). Mesa, Arizona's weather in January sees a noteworthy shift towards milder conditions, compared to December's chillier weather.
• Chandler - January »
  As December transitions into January, the average high-temperature in Chandler rests at a still comfortable 63.9°F (17.7°C), maintaining a close resemblance to the previous month. In Chandler, in January, it is raining for 4.8 days, with typically 0.67" (17mm) of accumulated precipitation.
• Scottsdale - January »
  In Scottsdale in January, it is raining for 4.3 days, with typically 0.59" (15mm) of accumulated precipitation. January ushers in an average high-temperature of a still comfortable 64°F (17.8°C) in Scottsdale aligning closely with the preceding month.
• Glendale - January »
  In Glendale, during January, the rain falls for 4 days and regularly aggregates up to 0.67" (17mm) of precipitation. In January, in Glendale the rain falls for 4 days.
• Gilbert - January »
  January in Gilbert boasts cool but comfortable weather, with plenty of daylight hours for residents and visitors to enjoy outdoor activities. On the first day of January in Gilbert sunrise is at 7:30 am and sunset at 5:30 pm.
• Tempe - January »
  Transitioning from December to January, Tempe observes an average high-temperature of a still comfortable 64°F (17.8°C), differing subtly from the previous month. January is considered the coldest month in Tempe, Arizona, with temperatures ranging from 46.9°F (8.3°C) to 64°F (17.8°C).
• Peoria - January »
  On the first day of January in Peoria, sunrise is at 7:33 am and sunset at 5:31 pm. In Peoria, in January, during 4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.
• Surprise - January »
  In Surprise, during January, the rain falls for 3.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. What time are sunrise and sunset in January in Surprise?
• Yuma - January »
  In Yuma during January, the rain falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of precipitation. In January, in Yuma, Arizona, the rain falls for 2.5 days.