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Contents
- The climate of Mesa
- The best time to visit Mesa
- The worst time to visit Mesa
- Spring weather in Mesa
- Summer weather in Mesa
- Autumn weather in Mesa
- Winter weather in Mesa
- 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 city of Mesa in Arizona, with a view of the famous well-manicured golf course near the Red Mountain range
Climate and monthly weather forecast
The climate of Mesa
Mesa's climate typifies that of a subtropical desert, denoted BWh according to the Köppen climate classification. It sits in Arizona, a state in the southwest of the USA that experiences sweltering summers and mild winters, owing to its close proximity to the Sonoran Desert. The temperatures vary significantly from 101.8°F (38.8°C) in July to 62.4°F (16.9°C) in December, making for a considerably wide range throughout the year. This climate allots for scarce rainfall with the wettest month being July, recording an average rainfall of 1.1" (28mm).
The relative humidity ranges from 17% in June to 44% in December, giving a demonstration of the extreme dryness Mesa experiences annually. Throughout the year the city enjoys significant sunshine; the sunniest months are in summer with June recording an impressive 12.2 hours of sunshine per day. This drops to 6.8 hours a day by December. Wind conditions in Mesa stay relatively temperate, peaking at 7.3mph (11.7km/h) in May and June.
The relative humidity ranges from 17% in June to 44% in December, giving a demonstration of the extreme dryness Mesa experiences annually. Throughout the year the city enjoys significant sunshine; the sunniest months are in summer with June recording an impressive 12.2 hours of sunshine per day. This drops to 6.8 hours a day by December. Wind conditions in Mesa stay relatively temperate, peaking at 7.3mph (11.7km/h) in May and June.
The best time to visit Mesa
Mesa's subtropical desert climate results in mild, pleasant winter months, making it an appealing winter getaway. One finds the best conditions for visiting from late autumn to early spring, precisely between December and March, when the city experiences cooler temperatures. Winters in Mesa tend to have daytime highs reaching 63.9°F (17.7°C), and average lows of 46.4°F (8°C) in December. Alongside with reduced humidity, this period offers considerable daylight hours, allowing for optimal viewing of the picturesque desert landscapes.
The worst time to visit Mesa
Mesa experiences high summer temperatures in most of June, July and August, peaking at a scorching 101.8°F (38.8°C) in July. Combined with the hottest lows at 82.9°F (28.3°C), these factors make Mesa's summer rather stifling and undesirable for travelers. Despite its sunniest days, the heightened temperature and increased humidity may result in uncomfortable conditions.
Spring weather in Mesa
Spring in Mesa comes with an incredible shift in weather conditions. The season sees an increase in temperatures from the high of 66.7°F (19.3°C) in March to a soaring 90.1°F (32.3°C) in May. Similarly, the low temperatures also rise remarkably from 48.7°F (9.3°C) in March to 64.6°F (18.1°C) in May. The rainfall remains low with the highest rainfall of 0.71" (18mm) in the season being recorded in March. Daily sunshine hours gradually increase up to 11.9 hours per day by the end of May, promising long, sunny days.
Summer weather in Mesa
Summer in Mesa is characterized by extremely high temperatures and substantial sunshine. The highest temperature ever recorded in Mesa is 101.8°F (38.8°C) in July, and even the lowest at 82.9°F (28.3°C) remains strikingly high. The humidity is at its lowest point in June at about 17%, making the high temperatures even more intense. While the summer sees some of its sunniest days, at 12.2 hours per day, it is also the wettest part of the year, with July receiving 1.1" (28mm) of rainfall.
Autumn weather in Mesa
Autumn in Mesa experiences a drop in temperature, yet still remains reasonably warm. Average high temperatures descend from 95.4°F (35.2°C) in September to 73°F (22.8°C) by November. The daily lows range between 77.4°F (25.2°C) in September and 55.2°F (12.9°C) in November. The rainfall remains pretty consistent in this period and daylight hours and sunshine duration reduce slightly.
Winter weather in Mesa
Winter in Mesa is characterized by mild to cool weather conditions. Average high temperatures descend to as low as 62.4°F (16.9°C) in December before gradually rising again. The nights can be cool with an average low of 46.4°F (8°C) in December and gradually increasing thereafter. Despite reduced hours of daylight with December recording the year’s low at 10 hours per day, the city enjoys significant sunshine, with December having about 6.8 hours of sunshine per day.
Weather in January
Mesa, Arizona's weather in January sees a noteworthy shift towards milder conditions, compared to December's chillier weather. The city experiences a balance of sunshine and a moderate amount of cloud coverage, creating a unique blend in this unusual winter season. Weather in January »
Weather in February
Following January, February in Mesa, Arizona presents itself with a subtle yet distinctive change as the city treads towards the end of winter. Humidity starts to drop, hinting at the approaching arid conditions. The length of daylight hours sees a slight boost, making the days marginally longer. Weather in February »
Weather in March
As March arrives in Mesa, Arizona, significant signs of spring start to become more apparent. It acknowledges its reputation as a dry city by showcasing decreased relative humidity. The city further showcases its unique weather patterns, boasting an exceptionally clear sky and an increase in sunshine hours. Weather in March »
Weather in April
Taking strides into spring, April's weather in Mesa, Arizona features declining rainfall, further amplifying the aridity of this incredible city. The reduced rain also helps in enhancing the visibility, providing breath-taking views of the city landscape. Weather in April »
Weather in May
May's weather in Mesa, Arizona marks the swift transition from the gentle springtime to the characteristic harsh desert summer. The intensifying heat resulting from longer sunshine hours reshapes the environment, driving down humidity to rather low levels. Weather in May »
Weather in June
June in Mesa, Arizona sees a pronounced arrival of summer with extreme temperature shifts observed. The duration of sunlight is at its peak, leading to baking hot, long summer days. As the cloud cover also dwindles, the brightness of the sunshine further enhances. Weather in June »
Weather in July
July's weather in Mesa, Arizona is marked by the most extreme heat, ushering in the truly punishing phases of summer. Alongside, the city sees an unexpected surge in rainfall, offering a brief respite for the parched city landscapes. Weather in July »
Weather in August
Continuing the trend of extreme summer heat, August's weather in Mesa, Arizona remains undeterred, maintaining the city's desert reputation. A heightened rise in the number of daylight hours contributes to prolonged periods of intense heat. Weather in August »
Weather in September
As Mesa, Arizona steps into September, the city starts to bid adieu to the peak summer heat. The percentage of cloud cover continues its ascension trend from August, providing some much-needed shade to the city residents. Despite this, September promises longer daylight hours, balancing both sun and shade. Weather in September »
Weather in October
As fall sweeps through Mesa, Arizona in October, the weather begins a slight shift from the intense summer towards a more comfortable climate. The reduction in daylight hours hints at the approaching winter, while the number of sunshine days remains relatively steady. Weather in October »
Weather in November
November in Mesa, Arizona sees a noticeable change of weather, showcasing a blend of late fall and early winter atmosphere. As the daylight hours continue to reduce, so does the UV Index indicating less exposure to direct sunlight. Weather in November »
Weather in December
As the end-of-year month arrives, December's weather in Mesa, Arizona presents a full-fledged winter scenario. The decrease in daily sunshine hours and longer nights announce the arrival of winter. Humidity and cloud coverage see a spike from November, clothed under a white winter coat. 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 many days does it rain in Mesa?
In Mesa, Arizona, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.
What is the least humid month in Mesa?
June is the least humid month in Mesa, with an average relative humidity of 17%.
What is the driest month in Mesa?
The month with the least rainfall in Mesa is June, when the rain falls for 1.2 days and typically collects 0.08" (2mm) of precipitation.
When are the longest days in Mesa?
With an average of 14h and 18min of daylight, June has the longest days of the year in Mesa, Arizona.
What month has the most sunshine in Mesa?
With an average of 12.2h of sunshine, June has the most sunshine of the year in Mesa.
What is the month with the highest UV index in Mesa?
June through August, with an average maximum UV index of 8, are months with the highest UV index in Mesa.
What is the warmest month in Mesa?
The warmest month in Mesa, Arizona, is July, with an average high-temperature of 101.8°F (38.8°C) and an average low-temperature of 82.9°F (28.3°C).
What is the wettest month in Mesa?
The month with the most rainfall in Mesa, Arizona, is July, when the rain falls for 10.6 days and typically aggregates up to 1.1" (28mm) of precipitation.
What part of the year is the coldest in Mesa?
In Mesa, Arizona, the average lowest temperatures are observed in December, with a high of 62.4°F (16.9°C) and a low of 46.6°F (8.1°C).
What is the most humid month in Mesa?
December is the most humid month, with an average relative humidity of 44%.
What is the month with the shortest days in Mesa?
December has the shortest days of the year in Mesa, Arizona, with an average of 10h and 0min of daylight.
Is there Daylight Saving Time (DST) in Mesa?
Mesa, Arizona, does not observe Daylight Saving Time (DST). MST timezone is used throughout the entire year.
What is the month with the least sunshine in Mesa?
December has the least sunshine of the year, with an average of 6.8h of sunshine.
What is the month with the lowest UV index in Mesa?
The month with the lowest UV index is December, with an average maximum UV index of 3.
Average temperature
Mesa, 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 (62.4°F).
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure
Mesa, AZ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
29.97"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.82"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.92"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 (29.82"Hg).
Average wind speed
Mesa, AZ
- Average wind speed in January:
4.7mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.4mph - Average wind speed in April:
6.4mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5mph - Average wind speed in September:
5.2mph - Average wind speed in October:
4.9mph - Average wind speed in November:
4.9mph - Average wind speed in December:
4.5mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity
Mesa, AZ
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall
Mesa, AZ
- Average rainfall in January:
0.71" - Average rainfall in February:
0.94" - Average rainfall in March:
0.71" - Average rainfall in April:
0.2" - Average rainfall in May:
0.12" - Average rainfall in June:
0.08"
- Average rainfall in July:
1.1" - Average rainfall in August:
0.79" - Average rainfall in September:
0.79" - Average rainfall in October:
0.91" - Average rainfall in November:
0.63" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Mesa, AZ
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
3.8 days - Average rainfall days in April:
2.6 days - Average rainfall days in May:
2.3 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
10.6 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
7.4 days - Average rainfall days in October:
3.9 days - Average rainfall days in November:
3.4 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).
Average daylight / Average sunshine
Mesa, 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 0min - 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:
12h and 1min - 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
Mesa, AZ
- Average sunshine days in January:
25.5 days - Average sunshine days in February:
23.3 days - Average sunshine days in March:
27.5 days - Average sunshine days in April:
27.8 days - Average sunshine days in May:
28.4 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
17.6 days - Average sunshine days in August:
18.9 days - Average sunshine days in September:
20 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
23.6 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).
Average UV index
Mesa, 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
Mesa, 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
Mesa, 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).