Weather in Phoenix, Arizona for January 2026
So far, January 2026 in Phoenix is slightly warmer than the historical average by 1.5 °F.
The forecast for the next days in Phoenix predicts a temperature of 22.3 °F, which is cooler than the historical average.
In general, the average temperature in Phoenix at the beginning of January is 17.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °F by the end of January.
Phoenix experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 23.7 mm.
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Phoenix Weather January
Temperatures trend during January in Phoenix
January weather in Phoenix day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 17° /8° | 3.1 mm | 4 | |
| Jan. 2 | Sunny | 18° /7° | 0.3 mm | 4 | |
| Jan. 3 | Sunny | 18° /6° | 0.2 mm | 4 | |
| Jan. 4 | Sunny | 18° /7° | 0.2 mm | 4 | |
| Jan. 5 | Sunny | 18° /7° | 0 mm | 4 | |
| Jan. 6 | Overcast | 18° /7° | 0 mm | 4 | |
| Jan. 7 | Overcast | 18° /8° | 1.2 mm | 4 | |
| Jan. 8 | Overcast | 17° /6° | 1.6 mm | 4 | |
| Jan. 9 | Sunny | 18° /5° | 0 mm | 4 | |
| Jan. 10 | Sunny | 18° /5° | 0 mm | 4 | |
| Jan. 11 | Partly cloudy | 18° /6° | 0.1 mm | 4 | |
| Jan. 12 | Sunny | 18° /4° | 0 mm | 4 | |
| Jan. 13 | Sunny | 20° /5° | 0 mm | 5 | |
| Jan. 14 | Sunny | 21° /7° | 0.1 mm | 5 | |
| Jan. 15 | Sunny | 21° /8° | 1.4 mm | 5 | |
| Jan. 16 | Sunny | 21° /8° | 3.2 mm | 5 | |
| Jan. 17 | Sunny | 20° /8° | 1 mm | 5 | |
| Jan. 18 | Partly cloudy | 19° /8° | 0 mm | 5 | |
| Jan. 19 | Sunny | 21° /8° | 0.2 mm | 5 | |
| Jan. 20 | Sunny | 20° /8° | 0.1 mm | 4 | |
| Jan. 21 | Sunny | 18° /6° | 0.2 mm | 4 | |
| Jan. 22 | Overcast | 18° /7° | 0.9 mm | 4 | |
| Jan. 23 | Overcast | 16° /7° | 2.6 mm | 4 | |
| Jan. 24 | Sunny | 16° /6° | 3.1 mm | 4 | |
| Jan. 25 | Overcast | 17° /5° | 2.4 mm | 4 | |
| Jan. 26 | Sunny | 18° /5° | 0.3 mm | 5 | |
| Jan. 27 | Sunny | 18° /4° | 0 mm | 4 | |
| Jan. 28 | Overcast | 20° /5° | 0 mm | 4 | |
| Jan. 29 | Sunny | 27° /7° | 0 mm | 0.7 | |
| Jan. 30 | Sunny | 26° /6° | 0 mm | 0.9 | |
| Jan. 31 | Sunny | 26° /9° | 0 mm | 0.9 | |
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Phoenix in January - FAQ
What are the expected maximum and minimum temperatures in Phoenix during January?
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January rainfall patterns in Phoenix
UV exposure in Phoenix during January
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