Phoenix in January
In January, Phoenix averages 19°C (66°F) during the day and 6°C (42°F) at night, with around 6 days of rain (27 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
January is a great month to visit Phoenix: pleasant temperatures and relatively few wet days.
How January compares to the rest of the year in Phoenix
January is one of the coolest months in Phoenix (11th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 11°C below the annual average (30°C). January runs 1°C warmer than December (19°C) and warms a further 3°C into February (22°C).
January sunrise & sunset in Phoenix
Times shown for Phoenix local time (America/Phoenix), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Phoenix — January
Golden-hour and blue-hour windows for the 15th of January, in Phoenix's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Phoenix in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (High season) and Phoenix's popularity.
January in United States — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
Major travel surge plus widespread Dec 24-26 and Jan 1 business closures.
Plan: Book flights and hotels well ahead; expect many restaurants/shops closed Dec 25 and Jan 1.
Crowds & pricing — January in Phoenix
This is a busy month in Phoenix — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — January in Phoenix
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Phoenix in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 19°C / 66°F | 6°C / 42°F | 27 mm | 6 | — |
| February | 22°C / 71°F | 7°C / 45°F | 29 mm | 5 | — |
| March | 26°C / 78°F | 11°C / 51°F | 22 mm | 4 | — |
| April | 31°C / 87°F | 15°C / 60°F | 3 mm | 2 | — |
| May | 34°C / 94°F | 20°C / 67°F | 3 mm | 2 | — |
| June | 41°C / 105°F | 26°C / 78°F | 5 mm | 2 | — |
| July | 41°C / 105°F | 29°C / 84°F | 52 mm | 11 | — |
| August | 40°C / 103°F | 28°C / 82°F | 39 mm | 10 | — |
| September | 37°C / 98°F | 24°C / 76°F | 32 mm | 7 | — |
| October | 31°C / 88°F | 17°C / 63°F | 24 mm | 4 | — |
| November | 25°C / 76°F | 11°C / 51°F | 15 mm | 3 | — |
| December | 19°C / 65°F | 6°C / 43°F | 39 mm | 7 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Phoenix in January →
Frequently asked questions
How hot is Phoenix in January?
In January, Phoenix averages a high of 19°C (66°F) and a low of 6°C (42°F) — generally mild and pleasant.
Does it rain a lot in Phoenix in January?
January sees occasional rain in Phoenix, with about 6 rainy days on average.
Is January a good time to visit Phoenix?
January is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Phoenix in January?
Pack light layers for warm days and cooler evenings. See the full January packing list for Phoenix for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.