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Contents
- The climate of Glendale
- The Best Time to Visit Glendale
- The Worst Time to Visit Glendale
- Spring Weather in Glendale
- Summer Weather in Glendale
- Autumn Weather in Glendale
- Winter Weather in Glendale
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The scenic and watery landscape of Glendale town in Arizona
The climate of Glendale
Located in the southwestern United States, Glendale, Arizona, falls under the Köppen climate classification BSh, which is associated with a subtropical steppe environment. A feature of this dry semi-arid climate is the noticeably distinct shifts in weather patterns, especially with regard to temperature and precipitation.
The city's temperature chart shows an expected increase from 63.7°F (17.6°C) in January, peaking at 101.8°F (38.8°C) in July, decreasing thereafter to reach 61.9°F (16.6°C) by December. A substantial variation between daytime high and night-time low can be perceived, ranging from 46.9°F (8.3°C) to 82.8°F (28.2°C). The least amount of temperature disparity occurs in July and August, where the spread narrows to between 82.8°F (28.2°C) and 101.8°F (38.8°C). Glendale receives fresh winds all through the year with a mild steadiness varying from 4.6mph (7.4km/h) to 6.6mph (10.6km/h).
An interesting aspect of Glendale's climate is the low humidity that hovers between 17% to 43%. The least humid month is June, while the most humid one is December. Notably, rainfall is sparse across most of the year, with only 0.08 in falling in June, which increases to 1.18 in during August, and again drops to 0.75 in by December. It seems that the city can count on extended hourly sunlight, with daylight extending from 10 hours to a high of 14.4 hours in June.
The city's temperature chart shows an expected increase from 63.7°F (17.6°C) in January, peaking at 101.8°F (38.8°C) in July, decreasing thereafter to reach 61.9°F (16.6°C) by December. A substantial variation between daytime high and night-time low can be perceived, ranging from 46.9°F (8.3°C) to 82.8°F (28.2°C). The least amount of temperature disparity occurs in July and August, where the spread narrows to between 82.8°F (28.2°C) and 101.8°F (38.8°C). Glendale receives fresh winds all through the year with a mild steadiness varying from 4.6mph (7.4km/h) to 6.6mph (10.6km/h).
An interesting aspect of Glendale's climate is the low humidity that hovers between 17% to 43%. The least humid month is June, while the most humid one is December. Notably, rainfall is sparse across most of the year, with only 0.08 in falling in June, which increases to 1.18 in during August, and again drops to 0.75 in by December. It seems that the city can count on extended hourly sunlight, with daylight extending from 10 hours to a high of 14.4 hours in June.
The Best Time to Visit Glendale
Clearly, when considering the most desirable time to visit Glendale, potential visitors should focus on a period when the city is neither too hot nor too cold. The city's mild temperatures from November to April combined with low rainfall make this time particularly favorable. Besides, with an average of more than 7 hours of sunshine daily and manageable humidity levels, this time frame promotes outdoor activities allowing visitors to fully experience the city's sites and events.
The Worst Time to Visit Glendale
Glendale's weather features high temperatures and relatively low levels of rainfall. Nonetheless, the months from June to August might prove unfavorable to visitors who aren't acclimatized to high temperatures, particularly in the range of 100.6°F (38.1°C) to 101.8°F (38.8°C). Coupled with a relatively higher rainfall of up to 1.18" (30mm) in August, travel can be somewhat challenging during this period.
Spring Weather in Glendale
March signals the onset of spring with a notable uptick in the temperature, from 66.4°F (19.1°C) to 82°F (27.8°C) by May, and the lows climbing from 48.9°F (9.4°C) to 59.7°F (15.4°C). Although there is slight humidity, it remains comfortable, and the rainfall is minimal, making spring a pleasant period. With daylight hours steadily increasing from 11 to 13 hours, visitors have ample daylight to explore.
Summer Weather in Glendale
Summer is characterised by high temperatures hitting 101.8°F (38.8°C) in July down to 95°F (35°C) in September. Nighttime offers some respite with temperatures dropping to between 82.8°F (28.2°C) and 77.4°F (25.2°C). Precipitation shows a significant increase in July and August, marking the city's highest rainfall. Extended daylight hours, with up to 14.4 hours in June, give the city a vibrancy, despite the heat.
Autumn Weather in Glendale
Autumn ushers in a decrease in temperatures, a welcome break from summer's heat. Average highs fall from 182.7°F (83.7°C) in October to 72.7°F (22.6°C) by November while lows drop from 66°F (18.9°C) to 55.4°F (13°C) within the same period. Rainfall decreases gradually with a moderate decline from 0.87" (22mm) to 0.63" (16mm). Even though daylight hours lessen, they range from 11.3 to 10.4 hours, still providing a good enough daylight span for outdoor activities.
Winter Weather in Glendale
Winter in Glendale is mild compared to many parts of the United States. December starts with a high of 61.9°F (16.6°C), while January is the coldest month with lows of 46.9°F (8.3°C). Precipitation ranges from 0.75" (19mm) in December to just 0.67" (17mm) in January, thus maintaining a rather dry atmosphere, aided by low humidity levels. With shorter daylight hours, from 10 hours in December to 10.2 in February and the cooler temperatures, winter offers a serene and calm ambiance.
Weather in January
The emergence of a new year in Glendale, Arizona sees a rather mild climate, making it an ideal time to relish outdoor activities. In comparison to December, a minor surge in temperatures can be noticed, setting off the annual thermal upward trend. Weather in January »
Weather in February
In February, Glendale experiences a continuation of the moderate temperatures that began in January, offering residents a pleasant ambiance. As the transition from winter to spring initiates, expectancy of rainfall increases marginally. Weather in February »
Weather in March
Spring begins to take hold in Glendale in March, often heralded by warmer temperatures and a noticeable reduction in relative humidity to 30%. The aridness, aided by the accompanying heat, sees locals reach for extra hydration during the day. Weather in March »
Weather in April
The spring season bolsters its grip on Glendale in April, as seen in the further ascend in temperatures. With decreasing cloud coverage, increasingly clear skies become the norm. Wind speeds elevate further to 6.6mph (10.6km/h), offering a cooling respite to locals amidst the rising mercury levels. Weather in April »
Weather in May
May sees the desert charm of Glendale in full swing, as the city shifts into its typically hot, dry summer mode. An appreciable surge in temperatures as compared to April aligns with the well-known Arizonian summer. Darkness is shirked off further with an expanded daylight duration stretching to 13.9 hours. Weather in May »
Weather in June
June signals the onset of summer, with Glendale recording the period's highest temperatures. Locals prepare to brave the heady combination of extreme heat and a UV index peaking at 8. Wind speeds ease to 6.1mph (9.8km/h), reinforcing the predominantly quiet weather pattern. Weather in June »
Weather in July
In July, Glendale endures the zenith of the annual heatwave, experiencing the highest temperature of 101.8°F (38.8°C). The extreme temperatures persist throughout the month, becoming a distinctive feature of this southwestern city's summer. Weather in July »
Weather in August
Despite entering the final segment of summer in August, heat reigns supreme in Glendale, resulting in continued elevated nighttime temperatures of 83.7°F (28.7°C). This tampered nocturnal relief persists for the majority of summer nights. Weather in August »
Weather in September
In September, Glendale sees a moderate reduction in temperatures, signaling the onset of the much-anticipated fall season. A reduction in rainfall indicates a retreat of the brief monsoon period, reinstating the city's arid character. Weather in September »
Weather in October
October showcases an amiable weather pattern, an intermingling of pleasant warmth and the initial nip of winter, sparking delight amongst numerous residents of Glendale. A significant drop in temperatures compared to September adds to the allure of outdoor escapades. Weather in October »
Weather in November
November ushers in the mild winter season in Glendale, as evident from the dipping temperature scales. A diminished daylight duration of 10.4 hours daily signifies the departure of the extended sunshine tenure. In comparison to October, the city experiences a slight increase in rainfall up to 0.63" (16mm), typically a distinctive winter trait. Weather in November »
Weather in December
December brings the year in Glendale to a close with the coolest temperatures, even dipping to a 46.8°F (8.2°C) nighttime low. On the flip side, a revival in relative humidity to 43% does ensure a resistance against the area's typical dryness. Weather in December »
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in Glendale?
Throughout the year, there are 59.7 rainfall days, and 8.23" (209mm) of precipitation is accumulated.
What is the least humid month in Glendale?
The least humid month is June, with an average relative humidity of 17%.
What is the driest month in Glendale?
June is the month with the least rainfall in Glendale. Rain falls for 1.1 days and accumulates 0.08" (2mm) of precipitation.
When are the longest days in Glendale?
With an average of 14h and 18min of daylight, June has the longest days of the year in Glendale.
What month has the most sunshine in Glendale?
June has the most sunshine of the year in Glendale, with an average of 12.2h of sunshine.
When is the highest UV index in Glendale?
The months with the highest UV index are June through August, with an average maximum UV index of 8.
What is the warmest month in Glendale?
The warmest time of the year in Glendale is July, with temperatures averaging a high of 101.8°F (38.8°C) and a low of 82.8°F (28.2°C).
What is the rainiest month in Glendale?
The month with the most rainfall is August, when the rain falls for 10.1 days and typically aggregates up to 1.18" (30mm) of precipitation.
What is the coldest time of year in Glendale?
With average high temperatures of 61.9°F (16.6°C) and lows of 46.8°F (8.2°C), December is the coldest month.
What is the most humid month in Glendale?
With an average relative humidity of 43%, December is the most humid month.
What is the month with the shortest days in Glendale?
With an average of 10h and 0min of daylight, December has the shortest days of the year in Glendale, Arizona.
Is there Daylight Saving Time (DST) in Glendale?
Glendale does not utilize Daylight Saving Time (DST). MST timezone is used throughout the entire year.
What is the month with the least sunshine in Glendale?
With an average of 6.8h of sunshine, December has the least sunshine of the year.
When is the lowest UV index in Glendale?
With an average maximum UV index of 3, December is the month with the lowest UV index in Glendale, Arizona.
Average temperature
Glendale, AZ
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (61.9°F).
The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure
Glendale, AZ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.84"Hg - Average pressure in June:
29.8"Hg
- Average pressure in July:
29.86"Hg - Average pressure in August:
29.86"Hg - Average pressure in September:
29.86"Hg - Average pressure in October:
29.91"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed
Glendale, AZ
- Average wind speed in January:
4.8mph - Average wind speed in February:
5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.6mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.3mph - Average wind speed in October:
5mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.6mph
The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity
Glendale, AZ
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).
Average rainfall
Glendale, AZ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.79" - Average rainfall in March:
0.75" - Average rainfall in April:
0.16" - Average rainfall in May:
0.12" - Average rainfall in June:
0.08"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.18" - Average rainfall in September:
1.1" - Average rainfall in October:
0.87" - Average rainfall in November:
0.63" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Glendale, AZ
- Average rainfall days in January:
4 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
4 days - Average rainfall days in April:
3.2 days - Average rainfall days in May:
2.3 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
10.7 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
4 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.1 days).
Average daylight / Average sunshine
Glendale, AZ
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
9h and 1min - Average sunshine in March:
9h and 1min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
9h and 4min - Average sunshine in October:
8h and 1min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days
Glendale, AZ
- Average sunshine days in January:
26.3 days - Average sunshine days in February:
23.3 days - Average sunshine days in March:
27.2 days - Average sunshine days in April:
27.3 days - Average sunshine days in May:
28.6 days - Average sunshine days in June:
27.8 days
- Average sunshine days in July:
16.4 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
26.5 days - Average sunshine days in December:
24.3 days
The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).
Average UV index
Glendale, AZ
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Glendale, AZ
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility
Glendale, AZ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Glendale, Arizona, USA
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