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The average high and low temperatures are listed below by month and annually for Phoenix, in both degrees Fahrenheit and Celsius. Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
The hottest month of the year in Phoenix is July, with an average high of 106°F and low of 85°F. The cool season lasts for 3.2 months, from November 20 to February 26, with an average daily high temperature below 74°F. The coldest month of the year in Phoenix is December, with an average low of 46°F and high of 66°F.
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Climate & Weather Averages in Phoenix, Arizona, USA. Currently: 82 °F. Passing clouds. (Weather station: Phoenix Sky Harbor International Airport, USA). See more current weather.
Jul 13, 2024 · Consistently warm temperatures prevail throughout the year, with highs ranging from a relatively mild 64.2°F (17.9°C) in January to a sweltering 103.6°F (39.8°C) in July. Corresponding lows range from 47.5°F (8.6°C) in January to 84.7°F (29.3°C) in August —indicating no month is devoid of warmth.
- In Phoenix, during the entire year, the rain falls for 44.6 days and collects up to 5.04" of precipitation .
- In Phoenix, snow does not fall in January through August , October through December .
- In Phoenix, Arizona, during the entire year, snow aggregates up to 0.04" .
- May and June are months with the least rain in Phoenix when the rain falls for 1.3 days and typically aggregates up to 0.08" of rain .
- May through August , with an average maximum UV index of 8 , are months with the highest UV index in Phoenix.
- June is the least humid month , with an average relative humidity of 16% .
- With an average of 14h and 18min of daylight , June has the longest days of the year.
- June has the most sunshine of the year, with an average of 12.1h of sunshine .
- July , having an average high-temperature of 103.6°F and an average low-temperature of 84°F , is the warmest month in Phoenix, Arizona.
- Temperature
- Rain
- Sun
- Humidity
Phoenix's coldest days of the year usually occur in late December when the daily maximum temperature averages 65 degrees Fahrenheit (18 degrees Celsius) and the minimum averages 44 °F (7 °C). The year's hottest days are normally in late June through the first half of July. The average temperature peaks then with daily highs of 107 °F (42 °C). The h...
Phoenix is dry all year, with no single month averaging more than one inch of rain. May and June are usually the driest months, each typically receiving less an eighth of an inch of rain.
The sun's rays reach the ground in Phoenix during 85 percent of daylight hours on average year round, for a total of 3778 hours annually. Typically on 211 days a year the sky is mainly clear, with at most 30 percent cloud cover. Sunlight in Phoenix averages 12 hours and 10 minutes a day. The shortest days of the year in mid December have 9 hours an...
The annual average for relative humidity in Phoenix ranges throughout the day from 51 percent at 5:00 am to 23 percent at 5:00 pm.
Throughout the year, Phoenix experiences an almost complete absence of precipitation. The climate here is classified as BWh by the Köppen-Geiger. In Phoenix, the average annual temperature is 23.2 °C | 73.7 °F. The rainfall here is around 258 mm | 10.2 inch per year.
The average temperature is of 34.6 °C (94 °F), with a minimum of 28.7 °C (83.6 °F) and a maximum of 40.6 °C (105.1 °F). On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74 °F).
