North Island Naval Air Station, California climate: Climate normals at a NOAA weather station

What is the weather like at North Island Naval Air Station each month?

August is the warmest month, with normal highs of 77°F; December the coldest, with normal lows of 49°F. The most precipitation falls in February (1.94 in), the least in August (0.02 in).

Each month has its own page with the day-by-day normals, the month's records and its recent years:

• Jan
• Feb
• Mar
• Apr
• May
• Jun
• Jul
• Aug
• Sep
• Oct
• Nov
• Dec

Which months are mildest at North Island Naval Air Station?

Every month's normal high in North Island Naval Air Station falls between 65°F and 85°F.

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.

How hot and how cold does it get at North Island Naval Air Station?

In a normal year in North Island Naval Air Station, 4 days a year reach 90°F, nights almost never fall to freezing and 42 days bring measurable precipitation.

Days at 90°F or more

4a normal year

Days at 100°F or more

fewer than 1a normal year

Nights at 32°F or colder

fewer than 1a normal year

Days that stay below freezing

fewer than 1high of 32°F or less

Days with 0.01 inch of precipitation

42a normal year

The highest temperature in this station's record (since 1945) is 102°F, on September 27, 2010; the lowest is 30°F, on January 4, 1949.

The wettest calendar year on that record is 1978, with 19.89 in.

How humid and windy is it at North Island Naval Air Station, and how clear are the skies?

The summer (June-August) dew point averages 61°F. The muggiest month is August, with an average dew point of 63°F; the driest air comes in December (44°F). April is the windiest month (7.1 mph on average), and June has the most clear or nearly clear hours (51%).

How sunny is it at North Island Naval Air Station?

Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds at North Island Naval Air Station, 4.9 kWh per square metre a day. November is the sunniest month (83%) and June the cloudiest (69%).

How many heating and cooling degree days does North Island Naval Air Station record?

A normal year at North Island Naval Air Station brings 1,144 heating degree days, 79% fewer than the median U.S. place (5,373), and 760 cooling degree days, 16% fewer than the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 5,094 growing degree days a year above 50°F.

Have recent years at North Island Naval Air Station been warmer than normal?

Over 63 complete years from 1946 to 2025, the station's annual mean temperature rose at a fitted 6.4°F per century (+0.35°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Which places near North Island Naval Air Station share this climate record?

Coronado has no NOAA station with 1991-2020 normals of its own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.

• Coronado, CA18,031 people · 4 mi SE

Nearby and next

• North Island Naval Air Station in OctoberThis month day by day, its records and recent years
• California climateThe statewide normals and every place in the state
• San Diego, CA2 miles from this station, 64.7°F a year
• San Diego Seaworld, CA5 miles from this station, 61.7°F a year
• Chula Vista, CA8 miles from this station, 63.3°F a year
• San Diego Montgomery Field, CA9 miles from this station, 64.1°F a year
• Compare two placesMonth by month, side by side

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