Avalon, California climate: Normal weather by month, frost dates and records
Avalon's normal year runs from 49°F February nights to 79°F August afternoons, with 12.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.2°C, February lows of 10°C, August highs of 26°C, 324 mm of precipitation a year.
- NOAA stationAvalon Catalina Airport
- Station IDUSW00023191
- Location33.41°N 118.42°W
- Elevation1,602 ft (488 m)
- Population3,267
On October 14, the normal high in Avalon is 73°F and the normal low 58°F, and the chance of measurable rain or snow is 16%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Avalon.
- Jan 62° 50°
- Feb 60° 49°
- Mar 61° 49°
- Apr 64° 50°
- May 67° 52°
- Jun 70° 55°
- Jul 77° 59°
- Aug 79° 62°
- Sep 78° 63°
- Oct 73° 58°
- Nov 67° 54°
- Dec 60° 49°
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 Avalon each month?
August is the warmest month, with normal highs of 79°F; February the coldest, with normal lows of 49°F. The most precipitation falls in January (3.04 in), the least in August (0.01 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 62°F | 50°F | 56.0°F | 3.04 | 7 | <1 | <1 | 10 h 10 min |
| February | 60°F | 49°F | 54.7°F | 2.83 | 8 | <1 | <1 | 11 h |
| March | 61°F | 49°F | 55.3°F | 1.67 | 7 | <1 | <1 | 12 h |
| April | 64°F | 50°F | 57.0°F | 0.78 | 6 | <1 | <1 | 13 h |
| May | 67°F | 52°F | 59.5°F | 0.36 | 5 | 1 | <1 | 13 h 50 min |
| June | 70°F | 55°F | 62.3°F | 0.21 | 5 | 1 | <1 | 14 h 20 min |
| July | 77°F | 59°F | 68.0°F | 0.08 | 3 | 2 | <1 | 14 h 10 min |
| August | 79°F | 62°F | 70.6°F | 0.01 | 1 | 3 | <1 | 13 h 30 min |
| September | 78°F | 63°F | 70.5°F | 0.12 | 2 | 5 | <1 | 12 h 30 min |
| October | 73°F | 58°F | 65.3°F | 0.48 | 5 | 2 | <1 | 11 h 20 min |
| November | 67°F | 54°F | 60.2°F | 0.97 | 6 | <1 | <1 | 10 h 30 min |
| December | 60°F | 49°F | 54.9°F | 2.22 | 8 | <1 | <1 | 10 h |
| Year (annual) | 68°F | 54°F | 61.2°F | 12.77 | 62 | 14 | <1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 10°C | 13.3°C | 77 mm |
| February | 16°C | 10°C | 12.6°C | 72 mm |
| March | 16°C | 10°C | 12.9°C | 42 mm |
| April | 18°C | 10°C | 13.9°C | 20 mm |
| May | 19°C | 11°C | 15.3°C | 9 mm |
| June | 21°C | 13°C | 16.8°C | 5 mm |
| July | 25°C | 15°C | 20.0°C | 2 mm |
| August | 26°C | 17°C | 21.4°C | 0 mm |
| September | 26°C | 17°C | 21.4°C | 3 mm |
| October | 23°C | 14°C | 18.5°C | 12 mm |
| November | 19°C | 12°C | 15.7°C | 25 mm |
| December | 16°C | 10°C | 12.7°C | 56 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00023191; 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 Avalon?
Normal highs sit between 65°F and 85°F in May, June, July, August, September, October and November. Of those, August has the fewest days with rain (1).
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 USW00023191.
How hot and how cold does it get in Avalon?
In a normal year in Avalon, 14 days a year reach 90°F (1 of them 100°F or more), nights almost never fall to freezing and 62 days bring measurable precipitation.
- Days at 90°F or more
- 14a normal year
- Days at 100°F or more
- 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
- 62a normal year
The highest temperature in this station's record (since 1948) is 110°F, on September 6, 2020; the lowest is 29°F, on January 11, 1949.
The wettest calendar year on that record is 2023, with 22.41 in.
Source: NOAA NCEI 1991-2020 annual normals, station USW00023191; records: ACIS (NOAA Regional Climate Centers), station USW00023191. Records use complete months only; a month missing more than three days is left out.
How sunny is Avalon?
Over a year 82% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Avalon, 5.0 kWh per square metre a day. November is the sunniest month (85%) and June the cloudiest (74%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 83% | 3.1 |
| February | 82% | 4.0 |
| March | 83% | 5.2 |
| April | 84% | 6.3 |
| May | 80% | 6.5 |
| June | 74% | 6.3 |
| July | 80% | 6.5 |
| August | 84% | 6.3 |
| September | 84% | 5.5 |
| October | 83% | 4.3 |
| November | 85% | 3.4 |
| December | 82% | 2.8 |
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 Avalon need?
A normal year in Avalon brings 2,213 heating degree days, 59% fewer than the median U.S. place (5,373), and 836 cooling degree days, 8% 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 4,179 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 293 | 14 |
| February | 300 | 12 |
| March | 315 | 14 |
| April | 264 | 24 |
| May | 202 | 32 |
| June | 128 | 47 |
| July | 43 | 136 |
| August | 21 | 195 |
| September | 31 | 196 |
| October | 104 | 113 |
| November | 189 | 45 |
| December | 322 | 8 |
| Year (annual) | 2,213 | 836 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00023191. 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.
Has Avalon been warmer than normal lately?
2024 averaged 61.8°F, 0.6°F above the 1991-2020 normal of 61.2°F. 1 of the 2 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 61.1°F | −0.1°F | 22.41 |
| 2024 | 61.8°F | +0.6°F | 14.20 |
Source: observed years: ACIS, station USW00023191. A year counts only with all twelve months complete.
How does Avalon's climate compare?
Avalon is warmer than 107 of the other 218 places with their own NOAA record in California, and wetter than 76. Across the 7,247 U.S. stations with normals, its annual mean of 61.2°F is warmer than 78%.
In the Köppen classification computed from these normals, Avalon is Csb: temperate, dry-summer, warm summer. 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 Avalon's climate
What is the coldest month in Avalon?
February, with a normal high of 60°F and a normal low of 49°F. The warmest is August (79°F by day, 62°F at night).
What is the rainiest month in Avalon?
January, with 3.04 in of precipitation in a normal year; the driest is August with 0.01 in.
What plant hardiness zone is Avalon in?
The USDA's 2023 map puts Avalon in zone 10b in ZIP code 90704, the nearest ZIP area. By the same method at Avalon's NOAA station, the coldest night of a typical year reaches 40°F (20 years, 1991-2020): zone 10b.
Nearby and next
- California climateThe statewide normals and every place in the state
- Torrance, CA28 miles from this station, 63.0°F a year
- Redondo Beach, CA30 miles from this station, 62.5°F a year
- Long Beach, CA32 miles from this station, 64.9°F a year
- Newport Beach, CA34 miles from this station, 62.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made