Kachemak, AK

Climate overview — based on NOAA 1991-2020 normals from HOMER AP, AK US.

Dsc Mediterranean subarctic climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

10° 30° 50° 70° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Kachemak has an annual average temperature of 40°F with about 23.9 inches of precipitation per year. The warmest month is July (average high 63.1°F), and the coldest is January (average low 19.0°F). September is typically the wettest month (3.28 in) and May the driest (0.78 in).

Annual swing
30.7°F
warmest to coldest month
Heating need
8,985
Cooling need
0

Best time to visit Kachemak

Full guide →

Climate change signal

All-time records →

88 of 366 (24%) of Kachemak'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.

1930s
34
1940s
38
1950s
26
1960s
24
1970s
19
1980s
21
1990s
29
2000s
48
2010s
102
2020s
25

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 31.8°F 19.0°F 25.4°F 2.15 in 14
February 34.9°F 21.7°F 28.3°F 1.82 in 12
March 37.1°F 23.1°F 30.1°F 1.32 in 11
April 46.1°F 31.3°F 38.7°F 1.15 in 10
May 53.8°F 38.2°F 46.0°F 0.78 in 10
June 59.3°F 44.7°F 52.0°F 0.87 in 10
July 63.1°F 49.2°F 56.1°F 1.45 in 12
August 62.6°F 48.0°F 55.3°F 2.31 in 14
September 56.7°F 42.3°F 49.5°F 3.28 in 17
October 47.1°F 33.3°F 40.2°F 2.61 in 15
November 37.6°F 24.8°F 31.2°F 2.87 in 15
December 34.0°F 21.4°F 27.7°F 3.27 in 17

Climate twins of Kachemak

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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