Metar & Taf

Visual decoder

Weather in Arizona

Calculated from weather data of Phoenix Sky Harbor International Airport (KPHX) between 2020 and 2024.

Maximum temperatures (°F)

Month Average 2024 2023 2022 2021 2020
January 67.0 66.0 64.0 69.0 67.0 68.0
February 71.0 72.0 69.0 72.0 73.0 71.0
March 78.0 77.0 73.0 80.0 77.0 75.0
April 88.0 87.0 88.0 90.0 90.0 87.0
May 95.0 96.0 97.0 96.0 99.0
June 105.0 102.0 106.0 108.0 105.0
July 108.0 114.0 107.0 104.0 110.0
August 106.0 109.0 103.0 103.0 110.0
September 101.0 103.0 101.0 100.0 104.0
October 90.0 94.0 88.0 87.0 94.0
November 78.0 80.0 72.0 82.0 80.0
December 68.0 72.0 63.0 69.0 68.0
Average 87.0 75.0 89.0 88.0 88.0 89.0

16th highest temperature of United States

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month Average 2024 2023 2022 2021 2020
January 47.0 47 45 47 46 46
February 49.0 52 47 48 50 48
March 55.0 54 52 55 53 55
April 63.0 62 61 63 64 62
May 70.0 71 71 71 74
June 81.0 76 83 83 80
July 87.0 92 87 85 89
August 86.0 89 84 83 89
September 80.0 80 82 79 80
October 67.0 70 68 64 68
November 56.0 59 49 58 56
December 48.0 50 47 50 45
Average 64.0 54.0 66.0 66.0 65.0 66.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days 2024 2023 2022 2021 2020
86 °F or warmer 20 202 199 198 199
77 °F or warmer 53 247 246 264 237
68 °F or warmer 87 310 308 324 316
32 °F or colder 0 0 0 0 0

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 1.9 5 5 0 3 1
February 2.7 3 1 1 0 2
March 1.5 3 3 1 0 3
April 0.0 0 0 0 0 0
May 0.1 0 0 0 0
June 0.1 0 0 1 0
July 0.8 0 1 3 0
August 0.4 0 1 1 0
September 1.1 1 1 3 0
October 0.7 0 0 0 0
November 0.5 1 0 0 0
December 2.1 2 4 3 1
Average 1.1 2.6 1.0 0.7 1.1 0.5

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month Average 2024 2023 2022 2021 2020
January 5.7 6 6 6 6 4
February 7.0 7 9 7 7 7
March 7.1 7 7 8 8 7
April 7.4 7 7 8 8 7
May 7.4 8 7 7 7
June 7.0 7 7 8 7
July 7.1 7 7 6 7
August 6.5 7 6 6 6
September 6.5 7 6 6 6
October 6.5 6 7 7 6
November 5.5 6 6 5 5
December 5.2 5 5 5 6
Average 6.6 6.7 6.8 6.8 6.6 6.3

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month 2024 2023 2022 2021 2020
January SE SE E E E
February S S E W E
March S SW SW S S
April SW SW SW SW S
May S SW S SW
June S S SW S
July W W S W
August S SW SE W
September S SE SE SE
October SE E SE SE
November E SE E S
December E SE SE E

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Arizona weather Q&A

What is the warmest month in Arizona?

The warmest month is July with an average temperature of 108 °F over the past years.

What is the coldest month in Arizona?

The coldest month is January with an average daytime temperature of 67 °F in the past few years.

Which month is the wettest in Arizona?

Chance of precipitation is the highest in February with a probability of around 2.7 %.

Which month is the driest in Arizona?

The least rainfall and snow can be expected in April. The probability is about 0.1 %.