Arizona (Phoenix)
January
Weather in Arizona for January 2026
Your guide to Arizona weather in January - trends and predictions
The forecast for the next days in Arizona predicts temperatures to be around 20 °F, close to the historical average.
In general, the average temperature in Arizona at the beginning of January is 20.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.3 °F by the end of January.
Arizona experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 23.7 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
18°/7°
Temperatures
12 km/h
Avg max wind
38 %
Avg humidity
Arizona Weather January
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What’s the Weather Like in Arizona This January?
Discover the average temperatures and weather trends across Arizona’s cities this January.
Temperatures trend during January in Arizona
See the weather trend as well as the moving average line
January weather in Arizona day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 21° /18° | 0.4 mm | 4 | |
| Jan. 2 |  Partly cloudy | 21° /16° | 0.1 mm | 5 | |
| Jan. 3 |  Sunny | 21° /16° | 0 mm | 5 | |
| Jan. 4 | Sunny | 22° /16° | 0 mm | 5 | |
| Jan. 5 | Sunny | 21° /16° | 0 mm | 5 | |
| Jan. 6 | Sunny | 18° /12° | 0 mm | 5 | |
| Jan. 7 | Sunny | 20° /12° | 0 mm | 5 | |
| Jan. 8 | Sunny | 19° /11° | 0 mm | 4 | |
| Jan. 9 | Sunny | 18° /6° | 0 mm | 5 | |
| Jan. 10 | Sunny | 18° /6° | 0 mm | 5 | |
| Jan. 11 | Partly cloudy | 17° /6° | 0.1 mm | 5 | |
| Jan. 12 | Sunny | 18° /4° | 0 mm | 4 | |
| Jan. 13 | Partly cloudy | 19° /5° | 0 mm | 5 | |
| Jan. 14 | Sunny | 20° /7° | 0.1 mm | 5 | |
| Jan. 15 | Sunny | 20° /8° | 1.6 mm | 5 | |
| Jan. 16 | Sunny | 20° /8° | 3.8 mm | 5 | |
| Jan. 17 | Sunny | 20° /9° | 1.2 mm | 5 | |
| Jan. 18 | Partly cloudy | 19° /8° | 0 mm | 5 | |
| Jan. 19 |  Overcast | 20° /8° | 0.2 mm | 5 | |
| Jan. 20 | Patchy rain possible | 19° /9° | 0.1 mm | 5 | |
| Jan. 21 | Sunny | 18° /7° | 0.2 mm | 5 | |
| Jan. 22 |  Moderate rain at times | 17° /6° | 1 mm | 4 | |
| Jan. 23 | Patchy rain possible | 16° /6° | 3.1 mm | 4 | |
| Jan. 24 | Sunny | 16° /5° | 3 mm | 4 | |
| Jan. 25 | Overcast | 17° /5° | 2.8 mm | 4 | |
| Jan. 26 | Sunny | 18° /5° | 0.4 mm | 5 | |
| Jan. 27 | Sunny | 17° /4° | 0 mm | 5 | |
| Jan. 28 | Overcast | 19° /5° | 0 mm | 5 | |
| Jan. 29 | Overcast | 18° /7° | 0.6 mm | 5 | |
| Jan. 30 | Partly cloudy | 19° /8° | 0.2 mm | 5 | |
| Jan. 31 | Partly cloudy | 20° /8° | 0.2 mm | 5 | |
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Important Notice
Our weather forecast for Arizona in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Arizona forecast closer to your planned date for the most up-to-date weather information.
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Arizona in January - FAQ
What are the expected maximum and minimum temperatures in Arizona during January?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Arizona during January?
In January, Arizona can expect light to moderate rainfall, totaling 23.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Arizona during January?
The average wind speed in Arizona during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Arizona
Explore the daily rainfall trends and prepare for Arizonas January weather 💧
Typically, Arizona has 8 rainy days in January with a total of 23.7 mm of rainfall.
UV exposure in Arizona during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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Where is Arizona?Get accurate weather forecasts for Arizona, located at latitude 33.448 and longitude -112.074. Stay updated with localized weather information tailored for Arizona.
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