Climate and monthly weather forecastMarana, AZ
Climate and monthly weather forecast
The climate of Marana
Located within the Sonoran Desert of Arizona, the town of Marana experiences a BSh or subtropical steppe climate per the Köppen climate classification. This classification indicates hot, dry summers and mild winters, which is an accurate representation of Marana's weather conditions throughout the year.The yearly climate in Marana is characterized by a broad temperature range, spanning from average lows of 44.6°F (7°C) in the coldest months to peak highs of 99°F (37.2°C) in the hottest months. A significant annual temperature fluctuation is thus noticeable. Rainfall is sporadic, with maximum monthly averages reaching 1.77" (45mm) and minimum monthly averages going as low as 0.2" (5mm), indicating a rather arid environment throughout most of the year.
Relative humidity levels in Marana also show noticeable annual variation, dipping to as low as 18% in the summer months and peaking at 45% in December. A similar trend is noticed as well in daylight hours, which range from a minimum average of 10.1 hours in December, to as high a maximum average of 14.3 hours in June. A pattern emerges in Marana's weather that aligns with its subtropical steppe classification, showing a consistently dry and hot condition with inferred monsoon seasons.
The best time to visit Marana
Considering the climatic factors, the optimal period to visit Marana is from April to June. During these months, the average high temperatures range from 80.2°F (26.8°C) to 99°F (37.2°C), providing warm days ideal for outdoor activities. Rainfall in these months is also on the lower side, with an average count of rainfall days only between 2.4 to 3.2, ensuring more sunny days and reliable weather. The sunshine hours are also maximized during this period, averaging between 10.9 and 12.1 hours a day, providing ample daylight for exploration.The worst time to visit Marana
The least suitable period for a visit to Marana spans from July to September where the average high temperature is between 97°F (36.1°C) and 97.5°F (36.4°C) and the average low temperature is between 72.1°F (22.3°C) and 79.7°F (26.5°C), indicating hot and rather uncomfortable weather conditions. These months also see the maximum average number of rainfall days, from 12.7 to 13.8 days per month indicating frequent disruption in outdoor activities.Spring weather in Marana
The months from March to May in Marana mark the spring season. Average high temperatures gradually increase from 73°F (22.8°C) in March to 88°F (31.1°C) in May. Correspondingly, average low temperatures also rise, from 52.3°F (11.3°C) in March to 62.6°F (17°C) in May. Rainfall averages decrease over these months, with the monthly average values dropping to 0.2" (5mm) by May. The months are characterized by long sunshine hours, rising from 9.2 hours in March to 11.9 hours in May.Summer weather in Marana
Summer in Marana, which spans from June to August, is exceptionally hot, with average high temperatures ranging from 99°F (37.2°C) in June to 97°F (36.1°C) in August. Low temperatures also remain high, ranging from 72.1°F (22.3°C) in June to 79.7°F (26.5°C) in August. August is the wettest month of the year, with average rainfall reaching 1.77" (45mm). Despite this, the season experiences the maximum sunshine hours per day, peaking at 12.1 hours in June.Autumn weather in Marana
Autumn in Marana occurs between September and November. The temperatures, both highs and lows, begin to fall during this time, moving from highs of 91.9°F (33.3°C) in September to 72.3°F (22.4°C) in November. Lows correspondingly drop from 74.1°F (23.4°C) in September to 52.7°F (11.5°C) in November. Rainfall decreases gradually over this period, dropping from 1.34" (34mm) in September to 0.59" (15mm) by November. Sunshine hours similarly decrease, dropping from 9.6 hours per day in September to 7.3 hours per day in November.Winter weather in Marana
Winter in Marana, occurring over December and January, is characterized by lower temperatures with the average high temperatures dropping to 61.9°F (16.6°C) in December and 63°F (17.2°C) in January. The average low temperatures in these months range from 44.6°F (7°C) to 44.8°F (7.1°C). This period is also marked by a slight increase in rainfall with averages of 0.9" (23mm) in December and 0.8" (20mm) in January. Sunshine hours per day during winter months are the lowest across the year, averaging between 6.8 hours and 7 hours.Weather in January
January in Marana, Arizona, typically sees a high average temperature of 63°F (17.2°C) and lows averaging around 44.8°F (7.1°C). The turn of the year sees an improvement in the general weather conditions from December, particularly with an increase in daylight hours from 10.1h to 10.3h. Weather in January »Weather in February
The weather in February experiences a slight increase in temperatures, with highs reaching 65.5°F (18.6°C) and lows just dipping to 46.6°F (8.1°C). The conditions during this month showcase a typical desert winter, with a prominent decrease in cloud coverage compared to January. Weather in February »Weather in March
In Marana, March signals the advent of spring with average high temperatures rising to 73°F (22.8°C), the third-highest for the first half of the year. This warm-up from February, coupled with an average of 6h visibility, makes it ideal for outdoor activities. Weather in March »Weather in April
April offers a continuation of fine weather from March, with average highs surging to 80.2°F (26.8°C). Compared with March, the general weather pattern undergoes a noticeable transformation, specifically in humidity levels and rainfall. Weather in April »Weather in May
The anticipation of summer gets higher in May with the mercury spiking to an average high of 88°F (31.1°C). Characteristics of desert summer start appearing prominently from this month onwards with longer daylight hours and increased sunshine duration. Weather in May »Weather in June
June comes as the harbinger of peak summer in Marana, Arizona, with average highs soaring to a whopping 99°F (37.2°C). As compared to May, it marks a significant incline in temperature and registers as the sunniest month of the year with 12.1h of sunshine per day. Weather in June »Weather in July
July is the pinnacle of summertime in Marana, with maximum average temperatures registering a scorching 97.5°F (36.4°C). However, this is the month of the highest rainfall, receiving 1.69in, bringing some relief amidst the dominating dry spell. Weather in July »Weather in August
August continues the summer trend established in July, with maximum temperatures hovering around 97°F (36.1°C). Weather-wise, there is little difference observed between this month and its predecessor. However, the end of August signals the retreat of high summer as daylight hours start to decrease, giving a hint of the impending fall. Weather in August »Weather in September
Following the sweltering summer, September ushers in cooler temperatures in Marana, with the average maximum temperature dropping to 91.9°F (33.3°C). Compared with August, the decline in maximum temperatures is noteworthy, as are the shorter daylight hours, offering early indicators of the fall season. Weather in September »Weather in October
October in Marana signifies the onset of the classic fall season with further reduce in maximum temperature to 83.1°F (28.4°C). The mercury's decrease is witnessed along with dwindling rainfall, thereby reducing the chances of a wet fall season. Weather in October »Weather in November
Predictably, November comes with a significant downturn in temperature, as compared to October, with average high temperatures sliding to 72.3°F (22.4°C). This substantial dip comes as an early cue for the ensuing winter, observed along with a decrease in sunshine hours. Weather in November »Weather in December
December witnesses the advent of winter characterized by a sharp drop in average high temperatures to 61.9°F (16.6°C) in Marana. With the lowest daylight hours of 10.1h and shortest sunshine duration of 6.8h, the aura of winter becomes much stronger compared to November. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Marana, AZ
The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).
Average pressure
Marana, AZ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.01"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:
29.87"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.91"Hg - Average pressure in November:
30"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed
Marana, AZ
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.7mph - Average wind speed in April:
7.9mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
5.6mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6mph - Average wind speed in November:
6mph - Average wind speed in December:
5.5mph
The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity
Marana, AZ
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).
Average rainfall
Marana, AZ
- Average rainfall in January:
0.79" - Average rainfall in February:
0.83" - Average rainfall in March:
0.59" - Average rainfall in April:
0.2" - Average rainfall in May:
0.2" - Average rainfall in June:
0.24"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.77" - Average rainfall in September:
1.34" - Average rainfall in October:
0.63" - Average rainfall in November:
0.59" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").
Average rainfall days
Marana, AZ
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
4.3 days - Average rainfall days in April:
2.7 days - Average rainfall days in May:
2.4 days - Average rainfall days in June:
3.2 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
4.2 days - Average rainfall days in November:
3 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).
Average daylight / Average sunshine
Marana, AZ
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 12min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 54min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 12min - Average sunshine in September:
9h and 36min - Average sunshine in October:
8h and 0min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days
Marana, AZ
- Average sunshine days in January:
25.8 days - Average sunshine days in February:
23.2 days - Average sunshine days in March:
26.9 days - Average sunshine days in April:
27.3 days - Average sunshine days in May:
28.2 days - Average sunshine days in June:
25.4 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
18 days - Average sunshine days in October:
25.7 days - Average sunshine days in November:
25.7 days - Average sunshine days in December:
24.2 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).
Average UV index
Marana, 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
Marana, AZ
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility
Marana, 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).





