Weather Almanac: Ajo, AZ 85321

🗓️ Historical norms for May 2026

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

May avg. precipitation

🌧️ 0.04"

May days below freezing

📉 ≈0.0 days

Average May lows ≈66.6°F

USDA Zone

9b

Annual extreme lows 25°F to 30°F

Last Spring Frost (36°F)

🌷 Mar 20

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First Fall Frost (36°F)

🍂 Nov 19

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. May 1

🌅 5:43 a.m.

H: ≈87.8°F

L: ≈62.9°F

🌇 7:11 p.m.

Sat. May 2

🌅 5:43 a.m.

H: ≈88.1°F

L: ≈63.2°F

🌇 7:12 p.m.

Sun. May 3

🌅 5:42 a.m.

H: ≈88.3°F

L: ≈63.5°F

🌇 7:13 p.m.

Mon. May 4

🌅 5:41 a.m.

H: ≈88.6°F

L: ≈63.8°F

🌇 7:13 p.m.

Tue. May 5

🌅 5:40 a.m.

H: ≈88.9°F

L: ≈64.1°F

🌇 7:14 p.m.

Wed. May 6

🌅 5:39 a.m.

H: ≈89.1°F

L: ≈64.3°F

🌇 7:15 p.m.

Thu. May 7

🌅 5:38 a.m.

H: ≈89.4°F

L: ≈64.6°F

🌇 7:15 p.m.

Fri. May 8

🌅 5:37 a.m.

H: ≈89.7°F

L: ≈64.9°F

🌇 7:16 p.m.

Sat. May 9

🌅 5:36 a.m.

H: ≈89.9°F

L: ≈65.1°F

🌇 7:17 p.m.

Sun. May 10

🌅 5:36 a.m.

H: ≈90.2°F

L: ≈65.4°F

🌇 7:18 p.m.

Mon. May 11

🌅 5:35 a.m.

H: ≈90.5°F

L: ≈65.6°F

🌇 7:18 p.m.

Tue. May 12

🌅 5:34 a.m.

H: ≈90.8°F

L: ≈65.9°F

🌇 7:19 p.m.

Wed. May 13

🌅 5:33 a.m.

H: ≈91.0°F

L: ≈66.1°F

🌇 7:20 p.m.

Thu. May 14 Ascension

🌅 5:33 a.m.

H: ≈91.3°F

L: ≈66.3°F

🌇 7:20 p.m.

Fri. May 15

🌅 5:32 a.m.

H: ≈91.6°F

L: ≈66.5°F

🌇 7:21 p.m.

Sat. May 16

🌅 5:31 a.m.

H: ≈91.9°F

L: ≈66.8°F

🌇 7:22 p.m.

Sun. May 17

🌅 5:31 a.m.

H: ≈92.2°F

L: ≈67.0°F

🌇 7:23 p.m.

Mon. May 18

🌅 5:30 a.m.

H: ≈92.5°F

L: ≈67.2°F

🌇 7:23 p.m.

Tue. May 19

🌅 5:29 a.m.

H: ≈92.8°F

L: ≈67.4°F

🌇 7:24 p.m.

Wed. May 20

🌅 5:29 a.m.

H: ≈93.1°F

L: ≈67.6°F

🌇 7:25 p.m.

Thu. May 21

🌅 5:28 a.m.

H: ≈93.4°F

L: ≈67.8°F

🌇 7:25 p.m.

Fri. May 22

🌅 5:28 a.m.

H: ≈93.7°F

L: ≈68.0°F

🌇 7:26 p.m.

Sat. May 23

🌅 5:27 a.m.

H: ≈94.0°F

L: ≈68.2°F

🌇 7:27 p.m.

Sun. May 24 Pentecost

🌅 5:27 a.m.

H: ≈94.3°F

L: ≈68.4°F

🌇 7:27 p.m.

Mon. May 25 Memorial Day

🌅 5:26 a.m.

H: ≈94.6°F

L: ≈68.6°F

🌇 7:28 p.m.

Tue. May 26

🌅 5:26 a.m.

H: ≈94.9°F

L: ≈68.8°F

🌇 7:29 p.m.

Wed. May 27

🌅 5:26 a.m.

H: ≈95.2°F

L: ≈69.0°F

🌇 7:29 p.m.

Thu. May 28

🌅 5:25 a.m.

H: ≈95.5°F

L: ≈69.2°F

🌇 7:30 p.m.

Fri. May 29

🌅 5:25 a.m.

H: ≈95.9°F

L: ≈69.4°F

🌇 7:30 p.m.

Sat. May 30

🌅 5:25 a.m.

H: ≈96.2°F

L: ≈69.6°F

🌇 7:31 p.m.

Sun. May 31

🌅 5:24 a.m.

H: ≈96.5°F

L: ≈69.8°F

🌇 7:32 p.m.

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: AJO (USC00020080)

Precipitation climatic data from weather station: AJO (USC00020080)

Agricultural climatic data from weather station: ORGAN PIPE CACTUS NM (USC00026132)