Winchester, California Climate
United States
Pop. 2,534 Elev. 450 m / 1,476 ft
TZ: America/Los_Angeles (UTC-7) ·
Winchester is largely arid, with hot summers peaking at 92°F (33°C) in August and cool winters around 38°F (3°C) in January. Precipitation occurs on roughly 25 days per year (17.5 in / 445 mm total), with 3 in (70 mm) of annual snowfall. The city averages 242 sunny days per year. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 92°F (34°C) high | 38°F (4°C) low |
| Feels like | 89°F (32°C) high | 38°F (4°C) low |
| Rain | 25 days | 17.5 in (445 mm) /yr |
| Snow | 0 days | 2.8 in (70 mm) /yr |
| Sky | 242 sunny | 10 stormy |
| Wind | 2.3 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Jun, Sep, Oct
Sky & Air by Month
Cloud cover (%)
32
Jan 52
Feb 53
Mar 39
Apr 39
May 20
Jun 11
Jul 14
Aug 27
Sep 18
Oct 40
Nov 37
Dec Humidity (%)
29
Jan 51
Feb 63
Mar 51
Apr 51
May 47
Jun 43
Jul 40
Aug 53
Sep 44
Oct 47
Nov 46
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 28 mi San Bernardino International Airport (SBD)
Ski resort 26 mi Adventure Center
National park 30 mi O'Neill Regional Park
Mountain peak
(5,036 ft) 17 mi Little Cahuilla Mountain
Hospital 5 mi
Hiking trail 21 mi Oakmont Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 63°F 17°C | 38°F 4°C | 0.8 in 19 mm | — | 19 |
| February | 68°F 20°C | 45°F 7°C | 2.9 in 73 mm | — | 11 |
| March | 64°F 18°C | 44°F 7°C | 3.4 in 86 mm | 2.5 in64 mm | 11 |
| April | 70°F 21°C | 48°F 9°C | 0.9 in 23 mm | 0.3 in6 mm | 14 |
| May | 79°F 26°C | 55°F 13°C | 0.5 in 14 mm | — | 17 |
| June | 86°F 30°C | 61°F 16°C | 0.3 in 8 mm | — | 27 |
| July | 88°F 31°C | 64°F 18°C | 0.0 in 1 mm | — | 30 |
| August | 92°F 34°C | 68°F 20°C | 0.2 in 4 mm | — | 28 |
| September | 85°F 29°C | 64°F 18°C | 0.9 in 23 mm | — | 22 |
| October | 79°F 26°C | 53°F 12°C | 1.0 in 25 mm | — | 26 |
| November | 71°F 22°C | 49°F 10°C | 4.0 in 103 mm | — | 17 |
| December | 69°F 21°C | 45°F 7°C | 2.7 in 68 mm | — | 20 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 19 | 1 |
| February | 11 | 1 |
| March | 11 | 2 |
| April | 14 | 0 |
| May | 17 | 0 |
| June | 27 | 1 |
| July | 30 | 0 |
| August | 28 | 0 |
| September | 22 | 1 |
| October | 26 | 0 |
| November | 17 | 3 |
| December | 20 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 60°F 15°C | 51°F 10°C |
| February | 60°F 16°C | 54°F 12°C |
| March | 60°F 15°C | 57°F 14°C |
| April | 62°F 17°C | 63°F 17°C |
| May | 67°F 19°C | 68°F 20°C |
| June | 69°F 21°C | 75°F 24°C |
| July | 71°F 22°C | 77°F 25°C |
| August | 73°F 23°C | 81°F 27°C |
| September | 72°F 22°C | 79°F 26°C |
| October | 70°F 21°C | 70°F 21°C |
| November | 67°F 20°C | 63°F 17°C |
| December | 65°F 18°C | 56°F 13°C |