Wellton, AZ

Climate overview — based on NOAA 1991-2020 normals from YUMA 27 ENE, AZ US.

BWh Desert (hot) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Wellton has an annual average temperature of 73.1°F with about 4 inches of precipitation per year. The warmest month is July (average high 106.0°F), and the coldest is December (average low 41.5°F). August is typically the wettest month (0.61 in) and June the driest (0.02 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
38.6°F
warmest to coldest month
Heating need
855
Cooling need
3,789

Best time to visit Wellton

Full guide →

Climate change signal

All-time records →

273 of 366 (74.6%) of Wellton's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

2000s
23
2010s
157
2020s
186

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 68.4°F 43.3°F 55.9°F 0.58 in 2
February 71.9°F 45.4°F 58.6°F 0.59 in 2
March 78.8°F 50.5°F 64.6°F 0.43 in 1
April 85.4°F 55.7°F 70.5°F 0.09 in 1
May 93.1°F 62.3°F 77.7°F 0.04 in 1
June 102.5°F 70.5°F 86.5°F 0.02 in 0
July 106.0°F 80.0°F 93.0°F 0.29 in 2
August 105.3°F 79.7°F 92.5°F 0.61 in 3
September 100.2°F 72.6°F 86.4°F 0.44 in 2
October 89.5°F 59.9°F 74.7°F 0.19 in 1
November 76.7°F 49.3°F 63.0°F 0.35 in 1
December 67.3°F 41.5°F 54.4°F 0.37 in 3

Climate twins of Wellton

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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