San Diego Seaworld, California climate: Climate normals at a NOAA weather station
San Diego Seaworld's normal year runs from 47°F December nights to 74°F August afternoons, with 10.4 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.5°C, December lows of 8°C, August highs of 23°C, 265 mm of precipitation a year.
- NOAA stationSan Diego Seaworld
- Station IDUSC00047741
- Location32.77°N 117.23°W
- Elevation14 ft (4 m)
On October 23, the normal high in San Diego Seaworld is 69°F and the normal low 57°F, and the chance of measurable rain or snow is 12%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for San Diego Seaworld.
- Jan 64° 47°
- Feb 63° 50°
- Mar 64° 52°
- Apr 66° 54°
- May 67° 58°
- Jun 68° 60°
- Jul 72° 65°
- Aug 74° 66°
- Sep 73° 64°
- Oct 70° 59°
- Nov 66° 52°
- Dec 63° 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 at San Diego Seaworld each month?
August is the warmest month, with normal highs of 74°F; December the coldest, with normal lows of 47°F. The most precipitation falls in February (2.54 in), the least in August (0.01 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 64°F | 47°F | 55.3°F | 2.27 | 7 | <1 | <1 | 10 h 10 min |
| February | 63°F | 50°F | 56.1°F | 2.54 | 8 | <1 | <1 | 11 h |
| March | 64°F | 52°F | 57.8°F | 1.38 | 5 | <1 | <1 | 12 h |
| April | 66°F | 54°F | 59.7°F | 0.59 | 4 | <1 | <1 | 13 h |
| May | 67°F | 58°F | 62.3°F | 0.28 | 2 | <1 | <1 | 13 h 50 min |
| June | 68°F | 60°F | 64.1°F | 0.05 | 1 | <1 | <1 | 14 h 20 min |
| July | 72°F | 65°F | 68.4°F | 0.09 | <1 | <1 | <1 | 14 h 10 min |
| August | 74°F | 66°F | 69.7°F | 0.01 | <1 | <1 | <1 | 13 h 20 min |
| September | 73°F | 64°F | 68.4°F | 0.15 | 1 | <1 | <1 | 12 h 30 min |
| October | 70°F | 59°F | 64.5°F | 0.55 | 4 | <1 | <1 | 11 h 30 min |
| November | 66°F | 52°F | 59.0°F | 0.70 | 5 | <1 | <1 | 10 h 30 min |
| December | 63°F | 47°F | 55.1°F | 1.83 | 7 | <1 | <1 | 10 h |
| Year (annual) | 67°F | 56°F | 61.7°F | 10.44 | 42 | <1 | <1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 18°C | 8°C | 12.9°C | 58 mm |
| February | 17°C | 10°C | 13.4°C | 65 mm |
| March | 18°C | 11°C | 14.3°C | 35 mm |
| April | 19°C | 12°C | 15.4°C | 15 mm |
| May | 19°C | 14°C | 16.8°C | 7 mm |
| June | 20°C | 16°C | 17.8°C | 1 mm |
| July | 22°C | 18°C | 20.2°C | 2 mm |
| August | 23°C | 19°C | 20.9°C | 0 mm |
| September | 23°C | 18°C | 20.2°C | 4 mm |
| October | 21°C | 15°C | 18.1°C | 14 mm |
| November | 19°C | 11°C | 15.0°C | 18 mm |
| December | 17°C | 8°C | 12.8°C | 46 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00047741; 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.
Which months are mildest at San Diego Seaworld?
Normal highs sit between 65°F and 85°F in April, May, June, July, August, September, October and November. Of those, July has the fewest days with rain (0).
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 USC00047741.
How hot and how cold does it get at San Diego Seaworld?
In a normal year in San Diego Seaworld, a 90°F day is rare, nights almost never fall to freezing and 42 days bring measurable precipitation.
- Days at 90°F or more
- fewer than 1a 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
Source: NOAA NCEI 1991-2020 annual normals, station USC00047741.
How sunny is it at San Diego Seaworld?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds at San Diego Seaworld, 4.9 kWh per square metre a day. November is the sunniest month (83%) and June the cloudiest (69%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 83% | 3.3 |
| February | 82% | 4.1 |
| March | 81% | 5.2 |
| April | 81% | 6.1 |
| May | 74% | 6.1 |
| June | 69% | 5.9 |
| July | 75% | 6.1 |
| August | 80% | 6.1 |
| September | 82% | 5.3 |
| October | 81% | 4.3 |
| November | 83% | 3.4 |
| December | 82% | 2.9 |
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 many heating and cooling degree days does San Diego Seaworld record?
A normal year at San Diego Seaworld brings 1,643 heating degree days, 69% fewer than the median U.S. place (5,373), and 452 cooling degree days, 50% fewer than the median (908). Two months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 4,294 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 301 | 0 |
| February | 250 | 2 |
| March | 236 | 15 |
| April | 166 | 7 |
| May | 90 | 5 |
| June | 44 | 18 |
| July | 3 | 110 |
| August | 1 | 145 |
| September | 5 | 109 |
| October | 54 | 37 |
| November | 186 | 5 |
| December | 307 | 0 |
| Year (annual) | 1,643 | 452 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00047741. 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.
Have recent years at San Diego Seaworld been warmer than normal?
2025 averaged 62.5°F, 0.8°F above the 1991-2020 normal of 61.7°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.0°F | +0.3°F | 7.04 |
| 2022 | 62.7°F | +1.0°F | 5.39 |
| 2023 | 61.5°F | −0.2°F | 12.94 |
| 2024 | 62.0°F | +0.3°F | 7.70 |
| 2025 | 62.5°F | +0.8°F | 8.57 |
Source: observed years: ACIS, station USC00047741. A year counts only with all twelve months complete.
How does San Diego Seaworld's climate compare?
San Diego Seaworld is warmer than 116 of the 219 places with their own NOAA record in California, and wetter than 45. Across the 7,247 U.S. stations with normals, its annual mean of 61.7°F is warmer than 79%.
In the Köppen classification computed from these normals, San Diego Seaworld is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about San Diego Seaworld's climate
What is the coldest month at San Diego Seaworld?
December, with a normal high of 63°F and a normal low of 47°F. The warmest is August (74°F by day, 66°F at night).
What is the rainiest month at San Diego Seaworld?
February, with 2.54 in of precipitation in a normal year; the driest is August with 0.01 in.
What plant hardiness zone is San Diego Seaworld in?
The USDA's 2023 map puts San Diego Seaworld in zone 10b in ZIP code 92109, the nearest ZIP area.
Nearby and next
- California climateThe statewide normals and every place in the state
- San Diego, CA4 miles from this station, 64.7°F a year
- North Island Naval Air Station, CA5 miles from this station, 63.9°F a year
- San Diego Montgomery Field, CA6 miles from this station, 64.1°F a year
- San Diego Miramar Naval Air Station, CA9 miles from this station, 64.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made