Lompoc, CA

Climate overview — based on NOAA 1991-2020 normals from LOMPOC, CA US.

BSk Semi-arid (cold) climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Lompoc has an annual average temperature of 59.3°F with about 15.4 inches of precipitation per year. The warmest month is September (average high 74.8°F), and the coldest is December (average low 42.1°F). February is typically the wettest month (3.66 in) and August the driest (0.01 in).

Pleasant months
6 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
12.1°F
warmest to coldest month
Heating need
2,064
Cooling need
0

Best time to visit Lompoc

Full guide →

Climate change signal

All-time records →

57 of 366 (15.6%) of Lompoc'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.

1910s
5
1920s
8
1950s
39
1960s
23
1970s
36
1980s
82
1990s
56
2000s
45
2010s
48
2020s
24

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 64.7°F 43.2°F 54.0°F 3.29 in 8
February 65.1°F 44.2°F 54.6°F 3.66 in 9
March 67.3°F 46.0°F 56.6°F 2.80 in 7
April 68.2°F 47.4°F 57.8°F 0.90 in 4
May 69.2°F 50.6°F 59.9°F 0.34 in 2
June 70.7°F 52.9°F 61.8°F 0.06 in 1
July 72.5°F 55.5°F 64.0°F 0.02 in 1
August 73.3°F 56.0°F 64.6°F 0.01 in 0
September 74.8°F 54.9°F 64.8°F 0.05 in 1
October 74.1°F 51.1°F 62.6°F 0.67 in 3
November 69.6°F 46.0°F 57.8°F 1.21 in 5
December 63.3°F 42.1°F 52.7°F 2.40 in 8

Climate twins of Lompoc

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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