Shelter Cove, California climate: Normal weather by month, frost dates and records

Shelter Cove's normal year runs from 47°F January nights to 70°F September afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 13.8°C, January lows of 8°C, September highs of 21°C.

  • NOAA stationShelter Cove Aviation
  • Station IDUSC00048163
  • Location40.03°N 124.07°W
  • Elevation246 ft (75 m)
  • Population (census place)764

On October 14, the normal high in Shelter Cove is 69°F and the normal low 53°F.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Shelter Cove.

  1. Jan 58° 47°
  2. Feb 59° 47°
  3. Mar 61° 47°
  4. Apr 62° 47°
  5. May 65° 49°
  6. Jun 68° 52°
  7. Jul 68° 53°
  8. Aug 68° 54°
  9. Sep 70° 54°
  10. Oct 69° 52°
  11. Nov 62° 49°
  12. Dec 59° 47°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Shelter Cove each month?

September is the warmest month, with normal highs of 70°F; January the coldest, with normal lows of 47°F.

Shelter Cove monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 58°F47°F52.4°F –<1<19 h 40 min
February 59°F47°F53.0°F –<1<110 h 40 min
March 61°F47°F53.8°F –<1<111 h 50 min
April 62°F47°F54.3°F –<1<113 h 10 min
May 65°F49°F57.0°F –<1<114 h 20 min
June 68°F52°F59.9°F –<1<115 h
July 68°F53°F60.4°F –<1<114 h 50 min
August 68°F54°F60.9°F –<1<113 h 50 min
September 70°F54°F62.0°F –<1<112 h 30 min
October 69°F52°F60.5°F –<1<111 h 10 min
November 62°F49°F55.6°F –<1<110 h
December 59°F47°F52.8°F –<1<19 h 20 min
Year (annual)64°F50°F56.9°F–11
The same normals in °C and millimetres
Shelter Cove monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January15°C8°C11.3°C
February15°C8°C11.7°C
March16°C8°C12.1°C
April16°C8°C12.4°C
May18°C10°C13.9°C
June20°C11°C15.5°C
July20°C12°C15.8°C
August20°C12°C16.1°C
September21°C12°C16.7°C
October20°C11°C15.8°C
November17°C10°C13.1°C
December15°C8°C11.6°C
Normal daily high and low by month, Shelter Cove

Source: NOAA NCEI 1991-2020 monthly normals, station USC00048163; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Shelter Cove?

Normal highs sit between 65°F and 85°F in June, July, August, September and October.

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00048163.

How hot and how cold does it get in Shelter Cove?

In a normal year in Shelter Cove, 1 day a year reaches 90°F and 1 night falls to 32°F or colder.

Days at 90°F or more
1a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
1a normal year
Days that stay below freezing
fewer than 1high of 32°F or less

Source: NOAA NCEI 1991-2020 annual normals, station USC00048163.

How sunny is Shelter Cove?

Over a year 75% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Shelter Cove, 4.3 kWh per square metre a day. June is the sunniest month (80%) and December the cloudiest (63%).

Shelter Cove: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January66%1.9
February67%2.7
March69%3.9
April73%5.2
May76%6.2
June80%7.0
July78%6.5
August77%5.6
September79%4.7
October76%3.4
November69%2.2
December63%1.6

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Shelter Cove need?

A normal year in Shelter Cove brings 3,074 heating degree days, 43% fewer than the median U.S. place (5,373), and 117 cooling degree days, 87% fewer than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,616 growing degree days a year above 50°F.

Shelter Cove: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January3910
February3361
March3501
April3201
May2534
June16514
July15712
August14417
September12939
October16725
November2853
December3781
Year (annual)3,074117

Source: NOAA NCEI 1991-2020 monthly normals, station USC00048163. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

How does Shelter Cove's climate compare?

Shelter Cove is warmer than 48 of the other 218 places with their own NOAA record in California. Across the 7,247 U.S. stations with normals, its annual mean of 56.9°F is warmer than 66%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Questions about Shelter Cove's climate

What is the coldest month in Shelter Cove?

January, with a normal high of 58°F and a normal low of 47°F. The warmest is September (70°F by day, 54°F at night).

What plant hardiness zone is Shelter Cove in?

The USDA's 2023 map puts Shelter Cove in zone 9b in ZIP code 95589, the nearest ZIP area.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made