Ajo climate

Ajo Weather in May

NOAA 1991-2020 normals for Ajo, 0.3 km from Ajo

Average highs run from 87°F on May 1 to 97°F on May 31, and lows from 61°F to 70°F. Normal precipitation for the month is 0.10 in over about 1 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Ajo, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
92°F
Average low
66°F
Precipitation
0.10 in
Record high
116°FMay 27, 1896
Record low
39°FMay 1, 1915
Chance of a freeze
0%
Days of 90°F or more
20.2
Daylight
13 h 28 min to 14 h 07 min
Cloud cover
24%
Humidity
26%
Dew point
35°F
Wind
8.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 187°F61°F106°F 194739°F 19152%0%
May 288°F62°F111°F 194743°F 19152%0%
May 388°F62°F112°F 194741°F 19342%0%
May 488°F62°F113°F 194745°F 19152%0%
May 588°F63°F110°F 194744°F 19642%0%
May 689°F63°F110°F 194744°F 19752%0%
May 789°F63°F108°F 194744°F 19322%0%
May 889°F63°F110°F 196343°F 19652%0%
May 990°F64°F112°F 193445°F 19082%0%
May 1090°F64°F115°F 193445°F 18962%0%
May 1190°F64°F115°F 193445°F 19222%0%
May 1291°F64°F111°F 192744°F 19532%0%
May 1391°F65°F110°F 192745°F 19332%0%
May 1491°F65°F115°F 192746°F 19672%0%
May 1592°F65°F110°F 193743°F 19122%0%
May 1692°F66°F110°F 192742°F 19532%0%
May 1792°F66°F112°F 197043°F 19532%0%
May 1893°F66°F112°F 193246°F 19082%0%
May 1993°F66°F111°F 200846°F 19032%0%
May 2093°F67°F112°F 200844°F 19032%0%
May 2194°F67°F110°F 194243°F 19032%0%
May 2294°F67°F112°F 200542°F 19032%0%
May 2394°F67°F112°F 200146°F 19032%0%
May 2495°F68°F113°F 195844°F 19032%0%
May 2595°F68°F113°F 189647°F 19162%0%
May 2695°F68°F115°F 197447°F 19342%0%
May 2796°F69°F116°F 189651°F 19341%0%
May 2896°F69°F116°F 198447°F 19291%0%
May 2996°F69°F114°F 195849°F 19131%0%
May 3097°F69°F111°F 192247°F 19341%0%
May 3197°F70°F112°F 195849°F 19341%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ajo, in percent, and of at least 0.1 inch of snowfall.00.511.522.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

May 1
sunrise 5:45 AM, sunset 7:13 PM
May 31
sunrise 5:26 AM, sunset 7:33 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00020080 (Ajo), public domain. Records: NOAA GHCN-Daily, station USC00023393, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.