Lake Arthur, LA

Climate overview — based on NOAA 1991-2020 normals from LAKE ARTHUR 7 SW, 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

Lake Arthur has an annual average temperature of 69°F with about 59.9 inches of precipitation per year. The warmest month is August (average high 92.0°F), and the coldest is January (average low 43.5°F). June is typically the wettest month (6.17 in) and March the driest (3.10 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
30.8°F
warmest to coldest month
Heating need
1,167
Cooling need
2,619

Best time to visit Lake Arthur

Full guide →

Climate change signal

All-time records →

14 of 366 (3.8%) of Lake Arthur'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.

1900s
64
1910s
52
1920s
85
1930s
63
1940s
11
1950s
6
1960s
2
1970s
0
1990s
10
2000s
41
2010s
20
2020s
12

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 61.4°F 43.5°F 52.4°F 5.61 in 12
February 65.6°F 46.7°F 56.2°F 4.20 in 11
March 71.6°F 53.3°F 62.4°F 3.10 in 10
April 77.6°F 59.6°F 68.6°F 4.75 in 8
May 83.5°F 68.0°F 75.7°F 4.61 in 7
June 89.9°F 73.4°F 81.7°F 6.17 in 12
July 91.4°F 74.9°F 83.2°F 4.99 in 13
August 92.0°F 74.2°F 83.1°F 6.08 in 13
September 88.8°F 69.8°F 79.3°F 5.85 in 11
October 81.0°F 60.5°F 70.7°F 4.51 in 9
November 71.2°F 50.7°F 61.0°F 5.25 in 10
December 63.4°F 44.9°F 54.1°F 4.78 in 0.1 in 13

Climate twins of Lake Arthur

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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