Delta, LA

Climate overview — based on NOAA 1991-2020 normals from TALLULAH VICKSBURG AP, LA US.

Cfa Humid subtropical climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Delta has an annual average temperature of 66.1°F with about 53.4 inches of precipitation per year. The warmest month is August (average high 92.8°F), and the coldest is January (average low 37.9°F). April is typically the wettest month (5.96 in) and September the driest (3.00 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
35.2°F
warmest to coldest month
Heating need
1,827
Cooling need
2,235

Best time to visit Delta

Full guide →

Climate change signal

All-time records →

168 of 366 (45.9%) of Delta'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.

1990s
26
2000s
122
2010s
109
2020s
109

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 57.2°F 37.9°F 47.6°F 5.44 in 9
February 61.9°F 41.7°F 51.8°F 5.11 in 10
March 69.6°F 48.7°F 59.1°F 5.02 in 10
April 76.9°F 55.5°F 66.2°F 5.96 in 8
May 84.3°F 63.5°F 73.9°F 3.85 in 10
June 90.2°F 70.6°F 80.4°F 3.74 in 9
July 92.6°F 73.1°F 82.8°F 4.05 in 10
August 92.8°F 72.0°F 82.4°F 3.75 in 9
September 88.4°F 66.1°F 77.2°F 3.00 in 7
October 79.1°F 54.0°F 66.6°F 4.13 in 8
November 67.8°F 44.0°F 55.9°F 3.92 in 9
December 59.6°F 39.7°F 49.7°F 5.38 in 10

Climate twins of Delta

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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