Mesa (AZ)
January
Weather in Mesa, Arizona for January 2026
Your guide to Mesa weather in January - trends and predictions
So far, January 2026 in Mesa shows a warmer trend than usual by 2.3 °F.
The forecast for the next days in Mesa predicts a temperature of 22.1 °F, which is cooler than the historical average.
In general, the average temperature in Mesa at the beginning of January is 17.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.3 °F by the end of January.
Mesa experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 28.1 mm.
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Temperatures
Rain 🌧️
More
23
Dry days
8
Rainy days
0
Snow days
16°/5°
Temperatures
13 km/h
Avg max wind
46 %
Avg humidity
Mesa Weather January
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Temperatures trend during January in Mesa
See the weather trend as well as the moving average line
January weather in Mesa day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 17° /9° | 5.4 mm | 3 | |
| Jan. 2 |  Sunny | 18° /8° | 1 mm | 4 | |
| Jan. 3 |  Patchy rain possible | 19° /6° | 0.3 mm | 4 | |
| Jan. 4 | Overcast | 17° /7° | 0.7 mm | 3 | |
| Jan. 5 | Overcast | 17° /6° | 0 mm | 3 | |
| Jan. 6 | Overcast | 17° /5° | 0 mm | 4 | |
| Jan. 7 |  Cloudy | 16° /7° | 2 mm | 3 | |
| Jan. 8 | Cloudy | 15° /5° | 2.9 mm | 3 | |
| Jan. 9 | Sunny | 15° /2° | 0 mm | 4 | |
| Jan. 10 | Sunny | 17° /3° | 0 mm | 4 | |
| Jan. 11 | Sunny | 16° /4° | 0.3 mm | 3 | |
| Jan. 12 | Sunny | 16° /3° | 0 mm | 3 | |
| Jan. 13 |  Partly cloudy | 19° /3° | 0 mm | 4 | |
| Jan. 14 | Sunny | 19° /5° | 0.2 mm | 4 | |
| Jan. 15 | Sunny | 19° /7° | 1.2 mm | 4 | |
| Jan. 16 | Sunny | 19° /6° | 3.7 mm | 4 | |
| Jan. 17 |  Moderate or heavy rain shower | 18° /7° | 2.8 mm | 4 | |
| Jan. 18 | Sunny | 17° /6° | 0 mm | 5 | |
| Jan. 19 | Overcast | 20° /4° | 0 mm | 4 | |
| Jan. 20 | Sunny | 18° /6° | 0.1 mm | 4 | |
| Jan. 21 | Overcast | 17° /4° | 0.4 mm | 4 | |
| Jan. 22 | Cloudy | 17° /4° | 0.8 mm | 3 | |
| Jan. 23 | Partly cloudy | 15° /5° | 3.3 mm | 3 | |
| Jan. 24 | Partly cloudy | 15° /5° | 4.3 mm | 3 | |
| Jan. 25 | Cloudy | 17° /5° | 0 mm | 4 | |
| Jan. 26 | Sunny | 17° /4° | 0 mm | 4 | |
| Jan. 27 | Sunny | 26° /9° | 0 mm | 0.8 | |
| Jan. 28 | Cloudy | 24° /6° | 0 mm | 0.7 | |
| Jan. 29 | Partly cloudy | 25° /6° | 0 mm | 0.5 | |
| Jan. 30 | Sunny | 23° /6° | 0 mm | 0 | |
| Jan. 31 | Partly cloudy | 24° /12° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Mesa 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 Mesa forecast closer to your planned date for the most up-to-date weather information.
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Mesa in January - FAQ
What are the expected maximum and minimum temperatures in Mesa during January?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mesa during January?
In January, Mesa can expect light to moderate rainfall, totaling 28.1 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Mesa during January?
The average wind speed in Mesa during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Mesa
Explore the daily rainfall trends and prepare for Mesas January weather 💧
Typically, Mesa has 8 rainy days in January with a total of 28.1 mm of rainfall.
UV exposure in Mesa during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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