Glendale (AZ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Glendale.
Climate overview of Glendale
The climate in Glendale, Arizona, United States of America, is marked by large temperature swings across the seasons, ranging from 41°C (106°F) in July to 18°C (64°F) in December.
The area sees almost no rainfall, totalling just 173 mm (6.8 in) per year. June is the sunniest month, averaging 13.6 hours of sunshine per day.
Glendale Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Glendale - and find the best time to visit.
Monthly Temperature in Glendale
In Glendale, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very hot 41°C (106°F) in July to a pleasant 18°C (64°F) in the coolest month, December.
Nights vary from 28°C (82°F) in July to around 6°C (43°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Glendale
Glendale sits in an arid zone with minimal moisture, averaging 173 mm (6.8 in) of rainfall per year. The climate in Glendale shows significant variation throughout the year. Expect low rainfall in August, the wettest month, with an average of 30 mm (1.2 in) of precipitation over 7 rainy days.
In contrast, the driest month June offers drier and sunnier days, with around 1.3 mm (0.1 in) of rainfall over a single rainy day. For more details, please visit our Glendale Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Glendale
For those who appreciate different seasons, Glendale serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 13.6 hours of sunshine daily, and embrace the darker days in December, offering only 8.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Glendale by Month
The relative humidity is low throughout the year in Glendale.
The city experiences its highest humidity in December, reaching 51%. In June, the humidity drops to its lowest level at 19%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Glendale
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, November and December
- Warmest weather: June, July and August
- Most sunshine: May and June
- Fewer rainy days: March, April, May, June and November
- Seasonal pattern: Very little rainfall year-round, with very hot summers and pleasant winters
Frequently asked questions about the climate in Glendale
What is the best time to visit Glendale?
January, February, March, November and December typically offer the most optimal weather in Glendale. In contrast, May, June, July, August and September tend to have less optimal conditions. Glendale has very little rainfall year-round, with very hot summers and pleasant winters.
What temperatures can I expect in Glendale?
Daytime highs range from 18°C (64°F) in December to 41°C (106°F) in July. Nighttime lows range from 6°C (43°F) to 28°C (82°F). Temperatures vary considerably through the year.
How much rain does Glendale get?
Annual rainfall is around 173 mm (6.8 in). August is the wettest month with 30 mm (1.2 in), while June is the driest with 1.3 mm (0.1 in).
How sunny is Glendale?
Glendale receives around 3,867 hours of sunshine per year. June is the sunniest month with 407 hours, while December is the cloudiest with just 244 hours. Overall, Glendale enjoys abundant sunshine.
Glendale 3-Day Forecast
Glendale (AZ) 3-Day Forecast
Glendale on the map
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