Rocklin, California Climate
United States
Pop. 61,213 Elev. 76 m / 249 ft
TZ: America/Los_Angeles (UTC-7) ·
Rocklin is largely arid, with hot summers peaking at 96°F (36°C) in August and cool winters around 37°F (3°C) in January. Humidity pushes the summer feels-like temperature to around 102°F (39°C). Precipitation occurs on roughly 39 days per year (32.0 in / 812 mm total). The city averages 223 sunny days per year and around 25 thunderstorm days. Nearby lake water reaches 71°F (22°C) in summer.
| Temperature | 96°F (35°C) high | 37°F (3°C) low |
| Feels like | 102°F (39°C) high | 37°F (3°C) low |
| Rain | 39 days | 32.0 in (812 mm) /yr |
| Sky | 223 sunny | 25 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Apr, May, Oct
Sky & Air by Month
Cloud cover (%)
24
Jan 59
Feb 57
Mar 42
Apr 19
May 7
Jun 11
Jul 10
Aug 29
Sep 33
Oct 57
Nov 61
Dec Humidity (%)
63
Jan 72
Feb 68
Mar 60
Apr 43
May 43
Jun 47
Jul 42
Aug 48
Sep 61
Oct 76
Nov 84
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 20 mi Sacramento International Airport (SMF)
Ski resort 60 mi Sugar Bowl Resort
National park 19 mi Auburn State Recreation Area
Mountain peak
(5,102 ft) 35 mi Saddle Mountain
Hospital 2 mi Sutter Roseville Medical Center Emergency Department
Hiking trail 5 mi ADT - California - T - Seg 5
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 62°F 16°C | 37°F 3°C | 1.0 in 25 mm | — | 23 |
| February | 62°F 17°C | 43°F 6°C | 9.5 in 241 mm | — | 8 |
| March | 66°F 19°C | 46°F 8°C | 5.3 in 135 mm | 0.0 in1 mm | 9 |
| April | 75°F 24°C | 49°F 10°C | 1.1 in 28 mm | — | 15 |
| May | 87°F 30°C | 57°F 14°C | 0.1 in 4 mm | — | 26 |
| June | 92°F 33°C | 60°F 16°C | 0.0 in 0 mm | — | 30 |
| July | 92°F 33°C | 61°F 16°C | 0.0 in 1 mm | — | 27 |
| August | 96°F 35°C | 64°F 18°C | 0.0 in 0 mm | — | 30 |
| September | 90°F 32°C | 63°F 17°C | 0.1 in 4 mm | — | 21 |
| October | 77°F 25°C | 53°F 12°C | 1.9 in 50 mm | — | 18 |
| November | 66°F 19°C | 48°F 9°C | 5.2 in 133 mm | — | 7 |
| December | 56°F 14°C | 43°F 6°C | 7.5 in 191 mm | — | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 23 | 0 |
| February | 8 | 5 |
| March | 9 | 5 |
| April | 15 | 1 |
| May | 26 | 0 |
| June | 30 | 0 |
| July | 27 | 0 |
| August | 30 | 0 |
| September | 21 | 0 |
| October | 18 | 1 |
| November | 7 | 4 |
| December | 9 | 9 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 49°F 9°C |
| February | 49°F 10°C |
| March | 53°F 12°C |
| April | 59°F 15°C |
| May | 64°F 18°C |
| June | 66°F 19°C |
| July | 67°F 20°C |
| August | 70°F 21°C |
| September | 71°F 22°C |
| October | 64°F 18°C |
| November | 59°F 15°C |
| December | 51°F 11°C |