Climate Insights for Phoenix

The climate in Phoenix is warm and mild. The average annual temperature is 24°C and approximately 248 mm of precipitation falls per year. August is the wettest month, receiving around 32 mm of rainfall. Phoenix is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to 6°C.The climate in Phoenix is warm and mild. The average annual temperature is 75°F and approximately 9.8 in of precipitation falls per year. August is the wettest month, receiving around 1.3 in of rainfall. Phoenix is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to 43°F.

Phoenix has a wide annual temperature range, spanning 36°C from the coldest to warmest months. July is the hottest month, with daytime highs reaching 42°C and an average of 36°C. January is the coolest month, with minimum temperatures around 6°C and an average of 12°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.Phoenix has a wide annual temperature range, spanning 64°F from the coldest to warmest months. July is the hottest month, with daytime highs reaching 107°F and an average of 96°F. January is the coolest month, with minimum temperatures around 43°F and an average of 53°F. On average, daily temperatures fluctuate by about 25°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 12°F shift in average temperatures.

Phoenix is a quite dry location, receiving approximately 248 mm of precipitation annually, which averages out to around 21 mm per month. The wettest month is August, averaging 32 mm of rainfall. February and January also tend to see above-average precipitation. The driest month is May, with just 3 mm. That's 29 mm less than August, 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.Phoenix is a quite dry location, receiving approximately 9.8 in of precipitation annually, which averages out to around 0.8 in per month. The wettest month is August, averaging 1.3 in of rainfall. February and January also tend to see above-average precipitation. The driest month is May, with just 0.1 in. That's 1.1 in less than August, 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.

Phoenix is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Phoenix is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 4mph, 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 Phoenix is during March, April, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 18 mm per month. By contrast, July can be uncomfortably hot with highs reaching 42°C, while January is the coldest period with lows dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Phoenix is during March, April, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 70°F with modest rainfall averaging 0.7 in per month. By contrast, July can be uncomfortably hot with highs reaching 107°F, while January is the coldest period with lows dropping to 43°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Phoenix 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 Phoenix 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.