Duson, LA

Climate overview — based on NOAA 1991-2020 normals from LAFAYETTE, LA US.

Cfa Humid subtropical 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

Duson has an annual average temperature of 68.1°F with about 64.7 inches of precipitation per year. The warmest month is August (average high 91.6°F), and the coldest is January (average low 41.2°F). June is typically the wettest month (7.02 in) and March the driest (3.76 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
30.8°F
warmest to coldest month
Heating need
1,314
Cooling need
2,415

Best time to visit Duson

Full guide →

Climate change signal

All-time records →

16 of 366 (4.4%) of Duson'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.

1980s
5
1990s
116
2000s
172
2010s
73

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 61.5°F 41.2°F 51.4°F 6.09 in 10
February 65.7°F 44.7°F 55.2°F 4.45 in 8
March 71.9°F 51.1°F 61.5°F 3.76 in 8
April 78.4°F 57.1°F 67.8°F 5.50 in 7
May 85.0°F 65.1°F 75.0°F 4.87 in 8
June 90.0°F 71.5°F 80.8°F 7.02 in 12
July 91.0°F 73.1°F 82.0°F 6.32 in 14
August 91.6°F 72.9°F 82.2°F 6.54 in 12
September 87.8°F 68.5°F 78.1°F 5.21 in 9
October 80.7°F 58.5°F 69.6°F 5.00 in 7
November 70.8°F 48.5°F 59.7°F 4.75 in 8
December 63.8°F 43.0°F 53.4°F 5.23 in 9

Climate twins of Duson

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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