Climateby Month

Yuma, AZ climate by month

NOAA 1991-2020 normals · 141 ft elevation

Yuma has very hot summers and mild winters. Highs peak at 107°F in July and fall to 68°F in December. Wet days are spread through the year, from about 0 to 3 a month. By our comfort score the best months are January, February and December.

Warmest month
107°F
July normal high
Coldest month
47°F
December normal low
Wet days a year
17
3.3 in of precipitation
Hot days a year
181
90°F or hotter

How warm is Yuma?

Normal highs range from 68°F in December to 107°F in July.

40°60°80°100°120° January: normal high 70°F (21°C), low 48°F (9°C) February: normal high 73°F (23°C), low 50°F (10°C) March: normal high 80°F (27°C), low 55°F (13°C) April: normal high 86°F (30°C), low 60°F (16°C) May: normal high 94°F (34°C), low 67°F (19°C) June: normal high 103°F (39°C), low 75°F (24°C) July: normal high 107°F (42°C), low 83°F (28°C) 107° 83° August: normal high 106°F (41°C), low 83°F (28°C) September: normal high 101°F (38°C), low 78°F (26°C) October: normal high 90°F (32°C), low 66°F (19°C) November: normal high 78°F (26°C), low 54°F (12°C) December: normal high 68°F (20°C), low 47°F (8°C) 68° 47° JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Yuma?

January has the most wet days (about 3); the year brings about 3.3 in of precipitation.

January: 3 wet days 3 February: 2 wet days March: 2 wet days April: 1 wet days May: 1 wet days June: 0 wet days 0 July: 1 wet days August: 1 wet days September: 2 wet days October: 1 wet days November: 1 wet days December: 2 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Yuma?

Humidity data is not available for this location.

How much daylight?

Daylight ranges from about 10.0 hours in December to 14.3 hours in June.

January: 10.3 hours of daylight February: 11.0 hours of daylight March: 12.0 hours of daylight April: 13.0 hours of daylight May: 13.8 hours of daylight June: 14.3 hours of daylight 14.3 July: 14.1 hours of daylight August: 13.3 hours of daylight September: 12.4 hours of daylight October: 11.4 hours of daylight November: 10.5 hours of daylight December: 10.0 hours of daylight 10.0 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Yuma, 1991-2020
MonthHighLowPrecip.Wet daysDaylight
January 70°F48°F 0.4 in3 10.3 h
February 73°F50°F 0.4 in2 11.0 h
March 80°F55°F 0.4 in2 12.0 h
April 86°F60°F 0.1 in1 13.0 h
May 94°F67°F 0.06 in1 13.8 h
June 103°F75°F 0.01 in0 14.3 h
July 107°F83°F 0.2 in1 14.1 h
August 106°F83°F 0.2 in1 13.3 h
September 101°F78°F 0.7 in2 12.4 h
October 90°F66°F 0.1 in1 11.4 h
November 78°F54°F 0.2 in1 10.5 h
December 68°F47°F 0.4 in2 10.0 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Yuma

By our comfort score, the best months are January, February and December.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 782410
Feb 761910
Mar 661415
Apr 546112
May 442024
Jun 390029
Jul 370031
Aug 350131
Sep 330129
Oct 444019
Nov 701702
Dec 752210

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. Comfortable days here are judged by temperature only (no humidity station nearby). How the score works.

Frost dates in Yuma

The last spring frost typically comes around Jan 8, and the first fall frost around Dec 28, leaving 362 frost-free days in a typical year.

Frost and freeze dates for Yuma
Typical date1 year in 10
Last spring frost (32°F)Jan 8after Feb 19
First fall frost (32°F)Dec 28before Dec 11
Hard freeze (28°F)in about 19% of years; no typical date
Frost-free season362 daysunder 323 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Yuma Quartermaster Depot (USC00029656), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Arizona.

Hottest and coldest readings, 1991-2020

The highest reading was 124°F (July 28, 1995); the lowest was 25°F (January 14, 2007).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Yuma

Similar climates elsewhere

Where the numbers come from

  • Temperature and rain: Yuma MCAS (USW00003145), 5.2 mi S of the city center, 213 ft (72 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall, snow depth and frost dates: Yuma Quartermaster Depot (USC00029656), 0.2 mi NE of the city center, 160 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Imperial Co Airport (USW00003144), 56 mi W of the city center, -58 ft (199 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: daily humidity and wind (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error