Boulder Creek, California Climate
United States
Pop. 4,923 Elev. 148 m / 486 ft
TZ: America/Los_Angeles (UTC-7) ·
Boulder Creek has a dry climate with warm summers reaching 79°F (26°C) in August and cool winters averaging 41°F (5°C) in January. Rain falls on about 25 days per year (22.0 in / 560 mm total). The city averages 190 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 79°F (26°C) high | 41°F (5°C) low |
| Feels like | 41°F (5°C) low | |
| Rain | 25 days | 22.0 in (560 mm) /yr |
| Sky | 190 sunny | 17 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, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
31
Jan 66
Feb 62
Mar 52
Apr 32
May 22
Jun 29
Jul 22
Aug 40
Sep 37
Oct 52
Nov 50
Dec Humidity (%)
59
Jan 76
Feb 74
Mar 71
Apr 66
May 67
Jun 69
Jul 67
Aug 70
Sep 74
Oct 80
Nov 83
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 19 mi Norman Y. Mineta San Jose International Airport (SJC)
Ski resort 140 mi Leland Snowplay
National park 12 mi Santa Cruz Mission State Historic Park
Mountain peak
(4,977 ft) 65 mi South Ventana Cone
Hospital 12 mi Dominican Hospital
Hiking trail 2 mi Old Alba Grade
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 62°F 17°C | 41°F 5°C | 0.3 in 8 mm | — | 18 |
| February | 61°F 16°C | 44°F 7°C | 6.2 in 158 mm | — | 5 |
| March | 61°F 16°C | 45°F 7°C | 4.3 in 109 mm | — | 7 |
| April | 66°F 19°C | 47°F 8°C | 0.8 in 19 mm | — | 10 |
| May | 72°F 22°C | 50°F 10°C | 0.2 in 4 mm | — | 20 |
| June | 73°F 23°C | 51°F 11°C | 0.0 in 0 mm | — | 27 |
| July | 74°F 23°C | 55°F 13°C | 0.0 in 1 mm | — | 21 |
| August | 79°F 26°C | 57°F 14°C | 0.1 in 2 mm | — | 28 |
| September | 78°F 26°C | 60°F 15°C | 0.3 in 9 mm | — | 14 |
| October | 71°F 22°C | 53°F 12°C | 1.7 in 43 mm | — | 16 |
| November | 65°F 18°C | 49°F 10°C | 4.5 in 114 mm | — | 11 |
| December | 58°F 15°C | 46°F 8°C | 3.7 in 93 mm | — | 13 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 0 |
| February | 5 | 6 |
| March | 7 | 4 |
| April | 10 | 1 |
| May | 20 | 0 |
| June | 27 | 0 |
| July | 21 | 0 |
| August | 28 | 0 |
| September | 14 | 0 |
| October | 16 | 1 |
| November | 11 | 2 |
| December | 13 | 3 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 55°F 13°C | 52°F 11°C |
| February | 54°F 12°C | 51°F 11°C |
| March | 54°F 12°C | 52°F 11°C |
| April | 55°F 13°C | 55°F 13°C |
| May | 55°F 13°C | 58°F 14°C |
| June | 57°F 14°C | 61°F 16°C |
| July | 58°F 15°C | 63°F 17°C |
| August | 60°F 15°C | 65°F 18°C |
| September | 61°F 16°C | 68°F 20°C |
| October | 62°F 17°C | 65°F 18°C |
| November | 58°F 14°C | 60°F 15°C |
| December | 58°F 14°C | 55°F 13°C |