Phoenix, Arizona Weather in January
United States · January climate averages and travel tips
Avg high20°C (67°F)
Avg low6°C (42°F)
Rainfall35 mm (1.4 in)
RatingExcellent 9.8/10
In January, Phoenix has average highs of 20°C (67°F) and lows of 6°C (42°F). January is winter in United States. The month is fairly dry, with about 35 mm (1.4 in) of rain spread over 4 days. You get roughly 10 hours of daylight and a mix of sun and cloud.
Is January a good time to visit Phoenix?
Yes — January is one of the best months to visit Phoenix. The weather rates excellent (9.8/10) on our comfort score.
January weather at a glance
| Average high | 20°C (67°F) |
|---|---|
| Average low | 6°C (42°F) |
| Daily mean | 12°C (53°F) |
| Rainfall | 35 mm (1.4 in) |
| Rainy days (1 mm+) | 4 |
| Humidity | 46% |
| Cloud cover | 40% |
| Daylight | 10 hours |
| Est. sunshine | 6.6 hours/day |
| Wind | 6.9 km/h |
| vs December | About as warm as December, with similar rainfall. |
What to pack for Phoenix in January
- T-shirts plus a light layer for the evening
- a sweater for cool nights
Phoenix weather in other months
Jan20°C / 6°C35 mmExcellentFeb21°C / 7°C30 mmExcellentMar25°C / 9°C23 mmExcellentApr30°C / 13°C5 mmExcellentMay35°C / 18°C6 mmFairJun41°C / 24°C3 mmPoorJul41°C / 28°C36 mmPoorAug40°C / 27°C38 mmPoorSep38°C / 24°C22 mmPoorOct32°C / 17°C14 mmGoodNov26°C / 11°C17 mmExcellentDec20°C / 6°C34 mmExcellent
← DecemberBest time to visit PhoenixFebruary →
Nearby in January
- Mexicali21°C · 19 mm
- Las Vegas, Nevada15°C · 20 mm
- Tijuana19°C · 51 mm
- San Diego, California19°C · 51 mm
- Ciudad Juarez15°C · 10 mm
- Los Angeles, California19°C · 82 mm
Where else is good in January? See where to go in January.