Climate Insights for Arizona

The climate in Arizona is warm and mild. The average annual temperature is 24°C and approximately 879 mm of precipitation falls per year. December is the wettest month, receiving around 165 mm of rainfall. 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 16°C.The climate in Arizona is warm and mild. The average annual temperature is 76°F and approximately 34.6 in of precipitation falls per year. December is the wettest month, receiving around 6.5 in of rainfall. 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 61°F.

Arizona sees moderate temperature variation throughout the year, ranging from 16°C to 33°C. The warmest month is February, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 16°C and an average of 21°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.Arizona sees moderate temperature variation throughout the year, ranging from 61°F to 91°F. The warmest month is February, when average highs reach 91°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 61°F and an average of 70°F. On average, daily temperatures fluctuate by about 18°F between overnight lows and afternoon highs.

Arizona is a moderately rainy area, receiving approximately 879 mm of precipitation annually, which averages out to around 73 mm per month. The wettest month is December, averaging 165 mm of rainfall. November and January also tend to see above-average precipitation. The driest month is September, with just 24 mm. That's 141 mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Arizona is a moderately rainy area, receiving approximately 34.6 in of precipitation annually, which averages out to around 2.9 in per month. The wettest month is December, averaging 6.5 in of rainfall. November and January also tend to see above-average precipitation. The driest month is September, with just 0.9 in. That's 5.6 in less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Arizona is relatively calm, with an average annual wind speed of 9km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Arizona is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph gap between the calmest and windiest months.

The best time to visit Arizona is during April, May, 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 44 mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 33°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Arizona is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 73°F with modest rainfall averaging 1.7 in per month. By contrast, February can be uncomfortably hot with temperatures reaching 91°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.