Grover Beach, California Climate
United States
Pop. 13,600 Elev. 19 m / 62 ft
TZ: America/Los_Angeles (UTC-7) ·
Grover Beach has a mild, temperate climate year-round, with temperatures ranging from 45°F (7°C) in January to 69°F (21°C) in August. Rain falls on about 23 days per year (17.1 in / 434 mm total). The city averages 222 sunny days per year. Ocean water temperatures reach 64°F (18°C) in summer.
| Temperature | 69°F (21°C) high | 45°F (7°C) low |
| Feels like | 43°F (6°C) low | |
| Rain | 23 days | 17.1 in (434 mm) /yr |
| Sky | 222 sunny | 12 stormy |
| Wind | 4.5 mph (2.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun, Jul, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
24
Jan 53
Feb 51
Mar 38
Apr 27
May 25
Jun 42
Jul 24
Aug 34
Sep 18
Oct 39
Nov 37
Dec Humidity (%)
66
Jan 74
Feb 76
Mar 78
Apr 76
May 77
Jun 83
Jul 78
Aug 84
Sep 77
Oct 78
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 8 mi San Luis County Regional Airport (SBP)
Ski resort 87 mi Mount Pinos Winter Sports Area
National park 2 mi Pismo State Beach
Mountain peak
(5,817 ft) 46 mi Peak Mountain
Hospital 2 mi Arroyo Grande Community Hospital
Hiking trail 6 mi California Coastal Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 60°F 16°C | 45°F 7°C | 0.4 in 10 mm | — | 22 |
| February | 61°F 16°C | 49°F 9°C | 3.1 in 80 mm | — | 11 |
| March | 58°F 15°C | 48°F 9°C | 3.1 in 78 mm | — | 10 |
| April | 60°F 15°C | 50°F 10°C | 0.5 in 12 mm | — | 16 |
| May | 64°F 18°C | 53°F 11°C | 0.0 in 1 mm | — | 22 |
| June | 64°F 18°C | 55°F 13°C | 0.1 in 2 mm | — | 21 |
| July | 63°F 17°C | 55°F 13°C | 0.1 in 3 mm | — | 11 |
| August | 69°F 21°C | 59°F 15°C | 0.1 in 1 mm | — | 26 |
| September | 69°F 21°C | 60°F 16°C | 0.5 in 12 mm | — | 18 |
| October | 67°F 19°C | 55°F 13°C | 1.3 in 32 mm | — | 27 |
| November | 64°F 18°C | 53°F 12°C | 3.9 in 100 mm | — | 17 |
| December | 64°F 18°C | 51°F 11°C | 4.1 in 103 mm | — | 21 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 22 | 1 |
| February | 11 | 3 |
| March | 10 | 1 |
| April | 16 | 0 |
| May | 22 | 0 |
| June | 21 | 0 |
| July | 11 | 0 |
| August | 26 | 0 |
| September | 18 | 1 |
| October | 27 | 1 |
| November | 17 | 2 |
| December | 21 | 3 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 54°F 12°C | 52°F 11°C |
| February | 54°F 12°C | 52°F 11°C |
| March | 53°F 12°C | 52°F 11°C |
| April | 54°F 12°C | 54°F 12°C |
| May | 56°F 13°C | 59°F 15°C |
| June | 57°F 14°C | 63°F 17°C |
| July | 56°F 14°C | 63°F 17°C |
| August | 62°F 17°C | 66°F 19°C |
| September | 64°F 18°C | 68°F 20°C |
| October | 62°F 17°C | 63°F 17°C |
| November | 61°F 16°C | 60°F 16°C |
| December | 61°F 16°C | 56°F 13°C |