Phoenix
January
Weather in Phoenix for January 2026
Your guide to Phoenix weather in January - trends and predictions
In general, the average temperature in Phoenix at the beginning of January is 17.9 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 18.3 °F by the end of January.
Phoenix experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 29.7 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
18°/8°
Temperatures
12 km/h
Avg max wind
40 %
Avg humidity
Phoenix in January average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2 17° | 3 18° | ||||
| 4 18° | 5 18° | 6 18° | 7  19° | 8 17° | 9 18° | 10 18° |
| 11  17° | 12 18° | 13 19° | 14 20° | 15 20° | 16 20° | 17 20° |
| 18 19° | 19 20° | 20  19° | 21 18° | 22  17° | 23 16° | 24 16° |
| 25 17° | 26 18° | 27 17° | 28 19° | 29 18° | 30 19° | 31 20° |
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Temperatures trend during January in Phoenix
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 17° /7° | 3.8 mm | 4 | |
| Jan. 2 | Sunny | 17° /5° | 0.3 mm | 5 | |
| Jan. 3 | Sunny | 18° /6° | 0.3 mm | 4 | |
| Jan. 4 | Sunny | 18° /6° | 0.2 mm | 5 | |
| Jan. 5 | Sunny | 18° /6° | 0 mm | 5 | |
| Jan. 6 | Sunny | 18° /6° | 0 mm | 4 | |
| Jan. 7 | Overcast | 19° /7° | 0.3 mm | 5 | |
| Jan. 8 | Overcast | 17° /6° | 0 mm | 5 | |
| 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 Phoenix 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 Phoenix forecast closer to your planned date for the most up-to-date weather information.
Phoenix in January - FAQ
What are the expected maximum and minimum temperatures in Phoenix during January?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Phoenix during January?
In January, Phoenix can expect light to moderate rainfall, totaling 29.7 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Phoenix during January?
The average wind speed in Phoenix during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Phoenix
Explore the daily rainfall trends and prepare for Phoenixs January weather 💧
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