Marana (AZ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Marana.
Climate overview of Marana
Temperatures in Marana, Arizona, United States of America, vary greatly throughout the year. June is the hottest month at 40°C (104°F), while January is the coldest at 19°C (66°F).
The area sees almost no rain/snowfall, totalling just 248 mm (9.8 in) per year. The most sunshine falls in May, with an average of 13.4 hours of daily sunshine.
Marana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Marana — and find the best time to visit.
Monthly Temperature in Marana
The climate in Marana is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very hot 40°C (104°F) in June to a pleasant 19°C (66°F) in the coolest month, January.
Nights vary from 25°C (77°F) in June to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Marana
Marana is known for its low rain/snowfall, with yearly precipitation amounts around 248 mm (9.8 in). The climate in Marana shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 38 mm (1.5 in) of precipitation over 6 rainy days.
In contrast, the driest month May offers drier and sunnier days, with around 6.2 mm (0.2 in) of rainfall over a single rainy day. For more details, please visit our Marana Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Marana
Marana offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (13.4 hours daily) and December (8.2 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Marana by Month
The relative humidity is low throughout the year in Marana.
The city experiences its highest humidity in December, reaching 50%. In June, the humidity drops to its lowest level at 21%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Marana
Frequently asked questions about the climate in Marana
What is the best time to visit Marana?
January, February, March and November typically offer the most optimal weather in Marana. In contrast, May, June, July, August and September tend to have less optimal conditions. Marana has a distinct dry season from January to December.
What temperatures can I expect in Marana?
Daytime highs range from 19°C (66°F) in January to 40°C (104°F) in June. Nighttime lows range from 3°C (37°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Marana get?
Annual rainfall is around 248 mm (9.8 in). December is the wettest month with 38 mm (1.5 in), while May is the driest with 6.2 mm (0.2 in).
How sunny is Marana?
Marana receives around 3,806 hours of sunshine per year. May is the sunniest month with 401 hours, while December is the cloudiest with just 246 hours. Overall, Marana enjoys abundant sunshine.
Marana 3-Day Forecast
Marana (AZ) 3-Day Forecast
Marana on the map
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