Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Tempe, Arizona, United States climate

Average temperatures, precipitation and all-time records for Tempe, Arizona, United States, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is July, averaging a high of 107°F, and its coldest is January, with an average low of 43°F.

Tempe is a city in Maricopa County, Arizona, United States, with the Census Bureau reporting a 2020 population of 180,587. via Wikipedia

How today compares

Latest recorded day: 2026-07-24. Each reading placed on Tempe, Arizona, United States's own ±7-day seasonal distribution.

High 115°F Very High · 98th pct
Low 91°F Very High · 97th pct
Feels-like 122°F High · 83rd pct
Humidity 11.9 g/m³ Normal · 44th pct
Wind 6 mph Very Low · 6th pct
Gust 17 mph Below Normal · 26th pct
Precip 0.00 in Dry

Open Tempe in the live weather grader →

Tempe average temperatures by month

Typical daily high and low, and average precipitation, for each month in Tempe, Arizona, United States, based on 1980–2026 records. The wettest month is February (0.10 in on an average day).

MonthAvg highAvg lowAvg precip
January 67°F 43°F 0.00 in
February 71°F 47°F 0.10 in
March 78°F 51°F 0.00 in
April 87°F 58°F 0.00 in
May 95°F 67°F 0.00 in
June 105°F 76°F 0.00 in
July 107°F 84°F 0.00 in
August 104°F 82°F 0.10 in
September 100°F 75°F 0.00 in
October 89°F 63°F 0.00 in
November 77°F 51°F 0.00 in
December 66°F 43°F 0.00 in

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 120°F on 1990-06-27
  • Coldest day on record: 22°F on 1990-12-25

All Tempe weather records →

Percentiles compare each day to Tempe, Arizona, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →