Maricopa County (Phoenix)
January
Weather in Maricopa County for January 2026
Your guide to Maricopa County weather in January - trends and predictions
In general, the average temperature in Maricopa County 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.
Maricopa County 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
Maricopa County Weather January
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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 Maricopa County
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 Maricopa County 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 Maricopa County forecast closer to your planned date for the most up-to-date weather information.
Maricopa County in January - FAQ
What are the expected maximum and minimum temperatures in Maricopa County 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 Maricopa County during January?
In January, Maricopa County 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 Maricopa County during January?
The average wind speed in Maricopa County during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Maricopa County
Explore the daily rainfall trends and prepare for Maricopa Countys January weather 💧
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