Casa de Oro-Mount Helix, California Climate
United States
Pop. 18,762 Elev. 256 m / 840 ft
TZ: America/Los_Angeles (UTC-7) ·
Dry and warm, Casa de Oro-Mount Helix sees August highs of 81°F (27°C) and mild January lows of 46°F (8°C). Expect around 21 rainy days annually (13.6 in / 345 mm total). The city averages 197 sunny days per year. Ocean water temperatures reach 72°F (22°C) in summer.
| Temperature | 81°F (27°C) high | 46°F (8°C) low |
| Feels like | 84°F (29°C) high | 46°F (8°C) low |
| Rain | 21 days | 13.6 in (345 mm) /yr |
| Sky | 197 sunny | 12 stormy |
| Wind | 2.8 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Feb, Apr, May, Jun, Jul, Aug, Sep, Oct, Dec
Sky & Air by Month
Cloud cover (%)
34
Jan 54
Feb 52
Mar 42
Apr 57
May 43
Jun 34
Jul 28
Aug 36
Sep 27
Oct 47
Nov 41
Dec Humidity (%)
41
Jan 65
Feb 72
Mar 67
Apr 68
May 68
Jun 68
Jul 67
Aug 73
Sep 63
Oct 68
Nov 58
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 15 mi General Abelardo L. Rodriguez International Airport (TIJ)
Ski resort 75 mi Adventure Center
National park 16 mi Border Field State Park
Mountain peak
(6,493 ft) 25 mi Cuyamaca Peak
Hospital 2 mi Sharp Grossmont Hospital
Hiking trail 13 mi South Poway Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 65°F 18°C | 46°F 8°C | 0.6 in 15 mm | — | 18 |
| February | 67°F 20°C | 50°F 10°C | 1.2 in 31 mm | — | 8 |
| March | 63°F 17°C | 50°F 10°C | 3.9 in 98 mm | — | 12 |
| April | 66°F 19°C | 52°F 11°C | 0.8 in 21 mm | — | 13 |
| May | 71°F 22°C | 57°F 14°C | 0.4 in 9 mm | — | 8 |
| June | 75°F 24°C | 60°F 15°C | 0.1 in 2 mm | — | 17 |
| July | 77°F 25°C | 62°F 17°C | 0.1 in 2 mm | — | 21 |
| August | 81°F 27°C | 65°F 18°C | 0.6 in 16 mm | — | 26 |
| September | 79°F 26°C | 66°F 19°C | 0.6 in 16 mm | — | 18 |
| October | 75°F 24°C | 58°F 14°C | 0.5 in 11 mm | — | 24 |
| November | 71°F 21°C | 54°F 12°C | 3.4 in 85 mm | — | 16 |
| December | 70°F 21°C | 52°F 11°C | 1.4 in 37 mm | — | 16 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 1 |
| February | 8 | 1 |
| March | 12 | 4 |
| April | 13 | 1 |
| May | 8 | 0 |
| June | 17 | 0 |
| July | 21 | 0 |
| August | 26 | 0 |
| September | 18 | 1 |
| October | 24 | 0 |
| November | 16 | 4 |
| December | 16 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 56°F 14°C | 55°F 13°C |
| February | 58°F 15°C | 55°F 13°C |
| March | 59°F 15°C | 57°F 14°C |
| April | 59°F 15°C | 61°F 16°C |
| May | 65°F 18°C | 66°F 19°C |
| June | 67°F 19°C | 71°F 22°C |
| July | 68°F 20°C | 74°F 23°C |
| August | 72°F 22°C | 76°F 25°C |
| September | 69°F 21°C | 76°F 25°C |
| October | 65°F 18°C | 70°F 21°C |
| November | 65°F 18°C | 65°F 18°C |
| December | 64°F 18°C | 59°F 15°C |