Climate Insights for Arizona

The climate in Arizona is temperate. The average annual temperature is 17°C and approximately 534 mm of precipitation falls per year. March is the wettest month, receiving around 75 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: January, December, February. The coldest months are July, June, August, when temperatures can drop to 3°C.The climate in Arizona is temperate. The average annual temperature is 62°F and approximately 21 in of precipitation falls per year. March is the wettest month, receiving around 3 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: January, December, February. The coldest months are July, June, August, when temperatures can drop to 38°F.

Temperatures in Arizona vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 32°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 3°C and an average of 8°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.Temperatures in Arizona vary considerably across the year, with a 52°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 90°F and the mean temperature sits around 77°F. July is the coolest month, with minimum temperatures around 38°F and an average of 47°F. On average, daily temperatures fluctuate by about 23°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°F shift in average temperatures.

Arizona is a relatively dry area, receiving approximately 534 mm of precipitation annually, which averages out to around 45 mm per month. The wettest month is March, averaging 75 mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 11 mm. That's 65 mm less than March, 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 relatively dry area, receiving approximately 21 in of precipitation annually, which averages out to around 1.8 in per month. The wettest month is March, averaging 3 in of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 0.4 in. That's 2.6 in less than March, 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 mildly breezy, 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 November, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, 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 moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, 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 1mph between the calmest and windiest months.

The best time to visit Arizona is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 61 mm per month. By contrast, January can be uncomfortably hot with highs reaching 32°C, while July is the coldest period with lows dropping to 3°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 February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 69°F with modest rainfall averaging 2.4 in per month. By contrast, January can be uncomfortably hot with highs reaching 90°F, while July is the coldest period with lows dropping to 38°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.