Tucson weather in January: Tucson, Arizona: normal highs, lows, rain and records for January
Tucson in January has a normal high of 67°F and a normal low of 41°F, a daily mean of 54°F, rising from 65°F on the 1st to 68°F by the 31st. Measurable precipitation falls on 4 days in a normal January, 0.84 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 21 mm of precipitation in January.
- NOAA stationTucson International Airport
- Station IDUSW00023160
- Location32.13°N 110.96°W
- Elevation2,549 ft (777 m)
- From the center5 miles
- Population554,013
- Jan 67° 41°
- Feb 69° 43°
- Mar 76° 48°
- Apr 83° 53°
- May 92° 62°
- Jun 101° 71°
- Jul 100° 76°
- Aug 99° 75°
- Sep 95° 70°
- Oct 86° 59°
- Nov 75° 48°
- Dec 66° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Tucson in January?
The normal high is 67°F and the normal low 41°F, for a daily mean of 53.6°F. January is 0.6°F warmer than December and 2.6°F cooler than February. January is the 11th warmest month of the year in Tucson and the 5th wettest. Across the month the normal high rises 3°F, from 65°F on January 1 to 68°F on January 31. From one year to the next January's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 51°F and 56°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 14%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 65°F | 40°F | 14% | 8% |
| January 8 | 66°F | 40°F | 14% | 7% |
| January 15 | 67°F | 41°F | 14% | 7% |
| January 22 | 67°F | 41°F | 14% | 7% |
| January 31 | 68°F | 42°F | 13% | 7% |
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 | 65°F | 40°F | 14% | 8% | 10 h |
| January 2 | 65°F | 40°F | 14% | 8% | 10 h 10 min |
| January 3 | 65°F | 40°F | 14% | 8% | 10 h 10 min |
| January 4 | 65°F | 40°F | 14% | 8% | 10 h 10 min |
| January 5 | 65°F | 40°F | 14% | 8% | 10 h 10 min |
| January 6 | 65°F | 40°F | 14% | 7% | 10 h 10 min |
| January 7 | 66°F | 40°F | 14% | 7% | 10 h 10 min |
| January 8 | 66°F | 40°F | 14% | 7% | 10 h 10 min |
| January 9 | 66°F | 40°F | 14% | 7% | 10 h 10 min |
| January 10 | 66°F | 41°F | 14% | 7% | 10 h 10 min |
| January 11 | 66°F | 41°F | 14% | 7% | 10 h 10 min |
| January 12 | 66°F | 41°F | 14% | 7% | 10 h 10 min |
| January 13 | 66°F | 41°F | 14% | 7% | 10 h 10 min |
| January 14 | 66°F | 41°F | 14% | 7% | 10 h 10 min |
| January 15 | 67°F | 41°F | 14% | 7% | 10 h 20 min |
| January 16 | 67°F | 41°F | 13% | 7% | 10 h 20 min |
| January 17 | 67°F | 41°F | 13% | 7% | 10 h 20 min |
| January 18 | 67°F | 41°F | 13% | 7% | 10 h 20 min |
| January 19 | 67°F | 41°F | 13% | 7% | 10 h 20 min |
| January 20 | 67°F | 41°F | 13% | 7% | 10 h 20 min |
| January 21 | 67°F | 41°F | 14% | 7% | 10 h 20 min |
| January 22 | 67°F | 41°F | 14% | 7% | 10 h 20 min |
| January 23 | 67°F | 41°F | 14% | 7% | 10 h 20 min |
| January 24 | 67°F | 41°F | 14% | 7% | 10 h 30 min |
| January 25 | 67°F | 41°F | 14% | 7% | 10 h 30 min |
| January 26 | 68°F | 41°F | 14% | 7% | 10 h 30 min |
| January 27 | 68°F | 41°F | 14% | 7% | 10 h 30 min |
| January 28 | 68°F | 41°F | 13% | 7% | 10 h 30 min |
| January 29 | 68°F | 42°F | 13% | 7% | 10 h 30 min |
| January 30 | 68°F | 42°F | 13% | 7% | 10 h 30 min |
| January 31 | 68°F | 42°F | 13% | 7% | 10 h 40 min |
- Normal high
- 67°FJanuary average
- Normal low
- 41°FJanuary average
- Precipitation
- 0.84 inmonth total
- Days with precipitation
- 40.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 10 h to 10 h 40 minJanuary 1 to January 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 1
- Sunshine
- 86%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023160; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Tucson in January?
On a given January day the chance of 0.01 inch or more is 14% on average, highest around January 1 (14%). In all, 0.84 in falls on 4 days of a normal January.
In a normal January in Tucson, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023160.
How humid and windy is Tucson in January?
At 3 p.m. the normal temperature is 67°F with 20% relative humidity and a dew point of 25°F; at 6 a.m. it is 43°F with 52% humidity. The wind averages 7.0 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 43°F | 27°F | 52% | 6.8 mph | 81% |
| 9 a.m. | 48°F | 28°F | 45% | 7.6 mph | 81% |
| noon | 61°F | 27°F | 27% | 7.1 mph | 80% |
| 3 p.m. | 67°F | 25°F | 20% | 8.6 mph | 80% |
| 6 p.m. | 62°F | 26°F | 25% | 7.8 mph | 78% |
| 9 p.m. | 54°F | 28°F | 37% | 5.6 mph | 82% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023160. 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 Tucson?
The warmest January temperature on Tucson's official record (since 1894) is 88°F, on January 4, 1927; the coldest is 6°F, on January 7, 1913. The wettest January brought 4.81 in (1993); the snowiest, 6.0 inches (1898).
The January mean against the 1991-2020 normal of 53.6°F: 2021 54.1°F (+0.5), 2022 54.3°F (+0.7), 2023 51.6°F (−2.0), 2024 52.8°F (−0.8), 2025 51.0°F (−2.6), 2026 55.3°F (+1.7). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.1°F | +0.5°F | 0.73 in |
| 2022 | 54.3°F | +0.7°F | 0.28 in |
| 2023 | 51.6°F | −2.0°F | 1.76 in |
| 2024 | 52.8°F | −0.8°F | 1.77 in |
| 2025 | 51.0°F | −2.6°F | 0.10 in |
| 2026 | 55.3°F | +1.7°F | 1.70 in |
Source: records: ACIS, NWS threaded record TUSthr; recent months: ACIS, station USW00023160. Records and recent months use complete months only.
How does January in Tucson 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; Tucson's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.