Phoenix weather in January: Phoenix, Arizona: normal highs, lows, rain and records for January
Phoenix in January has a normal high of 68°F and a normal low of 46°F, a daily mean of 57°F, rising from 66°F on the 1st to 69°F by the 31st. Measurable precipitation falls on 4 days in a normal January, 0.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 8°C, 22 mm of precipitation in January.
- NOAA stationPhoenix Sky Harbor International Airport
- Station IDUSW00023183
- Location33.43°N 112.00°W
- Elevation1,107 ft (337 m)
- From the center11 miles
- Population1,673,164
- Jan 68° 46°
- Feb 71° 49°
- Mar 78° 55°
- Apr 86° 61°
- May 95° 70°
- Jun 104° 79°
- Jul 107° 85°
- Aug 105° 84°
- Sep 100° 78°
- Oct 89° 66°
- Nov 77° 54°
- Dec 66° 45°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Phoenix in January?
The normal high is 68°F and the normal low 46°F, for a daily mean of 56.8°F. January is 1.0°F warmer than December and 3.1°F cooler than February. January is the 11th warmest month of the year in Phoenix and the 3rd wettest. Across the month the normal high rises 3°F, from 66°F on January 1 to 69°F on January 31. From one year to the next January's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 55°F and 59°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 66°F | 45°F | 13% | 7% |
| January 8 | 67°F | 45°F | 13% | 7% |
| January 15 | 68°F | 46°F | 12% | 7% |
| January 22 | 68°F | 47°F | 12% | 7% |
| January 31 | 69°F | 47°F | 12% | 6% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 66°F | 45°F | 13% | 7% | 10 h |
| January 2 | 66°F | 45°F | 13% | 7% | 10 h |
| January 3 | 66°F | 45°F | 13% | 8% | 10 h |
| January 4 | 66°F | 45°F | 13% | 8% | 10 h |
| January 5 | 66°F | 45°F | 13% | 8% | 10 h |
| January 6 | 66°F | 45°F | 13% | 8% | 10 h |
| January 7 | 67°F | 45°F | 13% | 7% | 10 h |
| January 8 | 67°F | 45°F | 13% | 7% | 10 h |
| January 9 | 67°F | 45°F | 13% | 7% | 10 h |
| January 10 | 67°F | 46°F | 12% | 7% | 10 h |
| January 11 | 67°F | 46°F | 12% | 7% | 10 h 10 min |
| January 12 | 67°F | 46°F | 12% | 7% | 10 h 10 min |
| January 13 | 67°F | 46°F | 12% | 7% | 10 h 10 min |
| January 14 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 15 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 16 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 17 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 18 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 19 | 68°F | 46°F | 12% | 7% | 10 h 10 min |
| January 20 | 68°F | 46°F | 12% | 7% | 10 h 20 min |
| January 21 | 68°F | 47°F | 12% | 7% | 10 h 20 min |
| January 22 | 68°F | 47°F | 12% | 7% | 10 h 20 min |
| January 23 | 69°F | 47°F | 12% | 7% | 10 h 20 min |
| January 24 | 69°F | 47°F | 12% | 6% | 10 h 20 min |
| January 25 | 69°F | 47°F | 12% | 6% | 10 h 20 min |
| January 26 | 69°F | 47°F | 12% | 6% | 10 h 20 min |
| January 27 | 69°F | 47°F | 12% | 6% | 10 h 30 min |
| January 28 | 69°F | 47°F | 12% | 6% | 10 h 30 min |
| January 29 | 69°F | 47°F | 12% | 6% | 10 h 30 min |
| January 30 | 69°F | 47°F | 12% | 6% | 10 h 30 min |
| January 31 | 69°F | 47°F | 12% | 6% | 10 h 30 min |
- Normal high
- 68°FJanuary average
- Normal low
- 46°FJanuary average
- Precipitation
- 0.87 inmonth total
- Days with precipitation
- 40.01 inch or more
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 1
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023183; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Phoenix in January?
On a given January day the chance of 0.01 inch or more is 12% on average, highest around January 1 (13%). In all, 0.87 in falls on 4 days of a normal January.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023183.
How humid and windy is Phoenix in January?
At 3 p.m. the normal temperature is 68°F with 23% relative humidity and a dew point of 29°F; at 6 a.m. it is 49°F with 52% humidity. The wind averages 5.1 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 49°F | 32°F | 52% | 4.8 mph | 62% |
| 9 a.m. | 52°F | 32°F | 46% | 5.8 mph | 48% |
| noon | 63°F | 30°F | 29% | 6.1 mph | 47% |
| 3 p.m. | 68°F | 29°F | 23% | 5.7 mph | 44% |
| 6 p.m. | 66°F | 29°F | 25% | 5.5 mph | 42% |
| 9 p.m. | 59°F | 32°F | 36% | 3.7 mph | 54% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023183. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Phoenix?
The warmest January temperature on Phoenix's official record (since 1895) is 88°F, on January 19, 1971; the coldest is 16°F, on January 7, 1913. The wettest January brought 5.22 in (1993).
The January mean against the 1991-2020 normal of 56.8°F: 2021 56.3°F (−0.5), 2022 57.7°F (+0.9), 2023 53.9°F (−2.9), 2024 56.0°F (−0.8), 2025 55.6°F (−1.2), 2026 61.1°F (+4.3). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.3°F | −0.5°F | 0.68 in |
| 2022 | 57.7°F | +0.9°F | 0.12 in |
| 2023 | 53.9°F | −2.9°F | 1.03 in |
| 2024 | 56.0°F | −0.8°F | 0.73 in |
| 2025 | 55.6°F | −1.2°F | 0.01 in |
| 2026 | 61.1°F | +4.3°F | 0.18 in |
Source: records: ACIS, NWS threaded record PHXthr; recent months: ACIS, station USW00023183. Records and recent months use complete months only.
How does January in Phoenix compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, January normal highs run from 39°F in Lukachukai to 71°F in Gila Bend; Phoenix's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.