Glendale, AZ weather in January
In January, Glendale sees highs around 65°F and lows around 41°F: cool and mostly dry. Rain falls on about 4 days. It is one of the coolest months in Glendale. Great for outdoor plans.
- Normal high
- 65°F
- Normal low
- 41°F
- Wet days
- 4
- 0.9 in total
- Muggy days
- 0
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 63°F | 67°F |
| Normal low | 40°F | 42°F |
| Chance of a wet day | 13% | 12% |
| Sunrise / sunset | 7:33 am / 5:31 pm | 7:25 am / 5:58 pm |
| Daylight | 10.0 h | 10.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical January day
- 6 am48°Fdew point 33°F
- 9 am51°Fdew point 33°F
- Noon61°Fdew point 31°F
- 3 pm66°Fdew point 29°F
- 6 pm64°Fdew point 30°F
- 9 pm57°Fdew point 33°F
NOAA hourly normals (local standard time) from Phoenix Sky Harbor Intl Airport (13 mi away); average wind 5 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F21 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow4 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below1 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 0.9 in; a dry January brings about 0.1 in and a wet one about 1.4 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.
How January varies from year to year
- Warmest January, 1991-20202003: average high 74°F
- Coolest January2019: average high 64°F
- Wettest January1993: 5.2 in
- Driest January2006: no measurable precipitation
- Highest reading85°F (January 17, 2009)
- Lowest reading23°F (January 14, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 64°F | 65°F | 69°F |
| Normal low | 40°F | 41°F | 44°F |
| Wet days | 4 | 4 | 4 |
| Comfortable days | 19 | 21 | 20 |
| Daylight | 10.0 h | 10.2 h | 11.0 h |
Highs change by +1°F from December and +4°F into February.
Nearby alternatives in January
- Cooler: Sedona, AZ95 mi · high 58°F · 6 wet days
How Glendale ranks in January
- Normal high66th warmest of 378 cities; 7th of 13 in Arizona
- Wet days16th driest of 378
- Comfortable days2nd most of 339
Frost in January
The last spring frost typically comes around Jan 20; in 1 year in 10 it comes after Feb 18. All frost dates for Glendale.
Heating and cooling
January has 365 heating degree days and 0 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How cold is Glendale in January?
The normal high is 65°F and the normal low is 41°F. From 1991 to 2020 the coldest January reading was 23°F (January 14, 2007).
Does it rain a lot in Glendale in January?
About 4 days in January have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest January in 1991-2020 was in 1993 (5.2 in); the driest was in 2006, with no measurable precipitation.
Is January a good time to visit Glendale?
January ranks 2nd of 12 months on our comfort score for Glendale (73 out of 100). It has about 21 comfortable days. The best month is February.
Where the numbers come from
- Temperature and frost dates: Youngtown (USC00029634), 7.7 mi WNW of the city center, 1,135 ft . NOAA normals and daily records, 1991-2020.
- Rain and humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 13 mi SE of the city center, 1,107 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Tempe ASU (USC00028499), 17 mi ESE of the city center, 1,167 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Phoenix Sky Harbor Intl Airport (722780-23183), 13 mi SE of the city center, 1,113 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).