San Antonio Heights, California Climate
United States
Pop. 3,371 Elev. 648 m / 2,126 ft
TZ: America/Los_Angeles (UTC-7) ·
Dry and warm, San Antonio Heights sees August highs of 88°F (31°C) and cool January lows of 41°F (5°C). Expect around 25 rainy days annually (22.6 in / 574 mm total), with 6 in (141 mm) of annual snowfall. The city averages 244 sunny days per year. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 88°F (31°C) high | 41°F (5°C) low |
| Feels like | 89°F (32°C) high | 41°F (5°C) low |
| Rain | 25 days | 22.6 in (574 mm) /yr |
| Snow | 0 days | 5.5 in (141 mm) /yr |
| Sky | 244 sunny | 9 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Jul, Sep, Oct
Sky & Air by Month
Cloud cover (%)
30
Jan 52
Feb 53
Mar 38
Apr 37
May 15
Jun 7
Jul 14
Aug 23
Sep 15
Oct 40
Nov 37
Dec Humidity (%)
27
Jan 50
Feb 62
Mar 54
Apr 56
May 48
Jun 44
Jul 43
Aug 53
Sep 48
Oct 51
Nov 46
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 8 mi Ontario International Airport (ONT)
Ski resort 9 mi Mt. Baldy Resort
National park 30 mi Silverado Ridge Preserve
Mountain peak
(6,857 ft) 3 mi Turtle's Beak
Hospital 4 mi San Antonio Regional Hospital
Hiking trail 4 mi Cobal Canyon Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 60°F 16°C | 41°F 5°C | 0.6 in 16 mm | 2.1 in53 mm | 19 |
| February | 64°F 18°C | 45°F 7°C | 3.9 in 99 mm | — | 9 |
| March | 61°F 16°C | 43°F 6°C | 2.9 in 73 mm | 3.2 in81 mm | 11 |
| April | 67°F 19°C | 46°F 8°C | 0.8 in 22 mm | 0.1 in2 mm | 15 |
| May | 75°F 24°C | 54°F 12°C | 0.7 in 17 mm | — | 15 |
| June | 83°F 28°C | 60°F 16°C | 0.1 in 3 mm | — | 27 |
| July | 85°F 29°C | 61°F 16°C | 0.1 in 2 mm | — | 30 |
| August | 88°F 31°C | 65°F 18°C | 0.5 in 11 mm | — | 30 |
| September | 82°F 28°C | 62°F 17°C | 1.1 in 28 mm | — | 23 |
| October | 75°F 24°C | 54°F 12°C | 2.0 in 51 mm | — | 28 |
| November | 67°F 20°C | 50°F 10°C | 4.7 in 119 mm | 0.2 in6 mm | 18 |
| December | 66°F 19°C | 48°F 9°C | 5.2 in 132 mm | — | 19 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 19 | 0 |
| February | 9 | 1 |
| March | 11 | 1 |
| April | 15 | 1 |
| May | 15 | 1 |
| June | 27 | 0 |
| July | 30 | 0 |
| August | 30 | 0 |
| September | 23 | 1 |
| October | 28 | 0 |
| November | 18 | 2 |
| December | 19 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 59°F 15°C | 53°F 12°C |
| February | 59°F 15°C | 55°F 13°C |
| March | 59°F 15°C | 57°F 14°C |
| April | 61°F 16°C | 62°F 17°C |
| May | 66°F 19°C | 68°F 20°C |
| June | 68°F 20°C | 73°F 23°C |
| July | 70°F 21°C | 75°F 24°C |
| August | 73°F 23°C | 78°F 26°C |
| September | 72°F 22°C | 78°F 25°C |
| October | 69°F 21°C | 71°F 21°C |
| November | 67°F 19°C | 65°F 18°C |
| December | 65°F 18°C | 58°F 14°C |