Climate guide for Phoenix, United States

Phoenix in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · United States

Best time to visit Phoenix in January Weather, crowds & prices

Weather in Phoenix in January

Average temperature 11°C, 33 mm of rain, about 9 days with 6+ hours of sunshine and 50% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

7.9/10

Ranked #6 of 12 months

Full year for Phoenix
Avg temp
11°C
Rainfall
33 mm
Humidity
50%
Days with 6h+ sun
9
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

January in Phoenix scores 7.9/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 11°C, 33 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.

Phoenix spreads across the Sonoran desert, with mountain trails, resorts and saguaro forests around it.

January in Phoenix: strong conditions, 6th of 12

January averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 9 days with 6+ hours of sunshine and 10 daylight hours.

It scores 7.9/10 here, 6th of 12 months, against 9.6/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

Plan for mid-season pricing, with crowds are moderate.

Flexible dates? March scores 1.7 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Phoenix in January?
In January, Phoenix averages 11°C, 33 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 7.9/10.
Is January a good time to visit Phoenix?
January earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Phoenix in January?
Expect about 33 mm of rain in January. Average humidity is 50% and there are about 9 days with 6+ hours of sunshine.

Curated in Phoenix

Tickets & experiences

Things to do in Phoenix

Phoenix, United States. Live activities and tours from GetYourGuide, matched to this destination.