Blue Lake, CA

Climate overview — based on NOAA 1991-2020 normals from ARCATA EUREKA AP, CA US.

Csb Warm-summer Mediterranean climate 9a USDA hardiness Zone 9a

Year-round temperatures (°F)

30° 40° 50° 60° 70° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Blue Lake has an annual average temperature of 52.5°F with about 46.1 inches of precipitation per year. The warmest month is September (average high 65.1°F), and the coldest is December (average low 39.7°F). December is typically the wettest month (8.95 in) and July the driest (0.19 in).

Annual swing
9.9°F
warmest to coldest month
Heating need
4,515
Cooling need
0

Best time to visit Blue Lake

Full guide →

Climate change signal

All-time records →

119 of 366 (32.5%) of Blue Lake'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
109
2000s
101
2010s
101
2020s
55

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 56.4°F 40.5°F 48.4°F 7.52 in 18
February 56.6°F 40.6°F 48.6°F 6.48 in 18
March 56.7°F 41.4°F 49.0°F 6.28 in 18
April 57.7°F 42.8°F 50.3°F 4.11 in 15
May 59.7°F 46.0°F 52.9°F 2.10 in 11
June 62.5°F 48.5°F 55.5°F 0.96 in 6
July 63.4°F 51.3°F 57.4°F 0.19 in 5
August 64.5°F 51.3°F 57.9°F 0.26 in 6
September 65.1°F 48.5°F 56.8°F 0.85 in 9
October 63.5°F 45.0°F 54.2°F 2.71 in 12
November 58.9°F 42.1°F 50.5°F 5.71 in 17
December 56.2°F 39.7°F 48.0°F 8.95 in 19

Climate twins of Blue Lake

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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