Climate Insights for Arizona

The climate in Arizona is warm and mild. The average annual temperature is 25°C and approximately 1,270 mm of precipitation falls per year. Arizona receives a notable amount of rainfall throughout the year, including during its driest month. Arizona is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are July, August, June, when temperatures can drop to 20°C.The climate in Arizona is warm and mild. The average annual temperature is 77°F and approximately 50 in of precipitation falls per year. Arizona receives a notable amount of rainfall throughout the year, including during its driest month. Arizona is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, March, January. The coldest months are July, August, June, when temperatures can drop to 68°F.

Arizona has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 20°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.Arizona has relatively stable temperatures year-round, staying within a 16°F range. The warmest month is February, when average highs reach 84°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 68°F and an average of 73°F. Daily temperature variation is modest, with an average difference of 9°F between highs and lows.

Arizona is a fairly wet location, receiving approximately 1,270 mm of precipitation annually, which averages out to around 106 mm per month. The wettest month is November, averaging 179 mm of rainfall. April and December also tend to see above-average precipitation. The driest month is August, with just 63 mm. That's 116 mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Arizona is a fairly wet location, receiving approximately 50 in of precipitation annually, which averages out to around 4.2 in per month. The wettest month is November, averaging 7 in of rainfall. April and December also tend to see above-average precipitation. The driest month is August, with just 2.5 in. That's 4.6 in less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Arizona is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Arizona is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Arizona is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 76 mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Arizona is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 74°F with modest rainfall averaging 3 in per month. By contrast, February can be uncomfortably hot with temperatures reaching 84°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Arizona based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Arizona based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.