Pleasanton, California Climate
United States
Pop. 79,510 Elev. 107 m / 351 ft
TZ: America/Los_Angeles (UTC-7) ·
Dry and warm, Pleasanton sees August highs of 85°F (29°C) and cool January lows of 39°F (4°C). Expect around 23 rainy days annually (14.3 in / 362 mm total). The city averages 216 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 85°F (30°C) high | 39°F (4°C) low |
| Feels like | 88°F (31°C) high | 39°F (4°C) low |
| Rain | 23 days | 14.3 in (362 mm) /yr |
| Sky | 216 sunny | 11 stormy |
| Wind | 3.9 mph (1.7 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
28
Jan 62
Feb 56
Mar 45
Apr 21
May 12
Jun 20
Jul 16
Aug 32
Sep 35
Oct 56
Nov 51
Dec Humidity (%)
61
Jan 71
Feb 69
Mar 62
Apr 54
May 54
Jun 59
Jul 56
Aug 62
Sep 68
Oct 78
Nov 79
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 21 mi Norman Y. Mineta San Jose International Airport (SJC)
Ski resort 111 mi Leland Snowplay
National park 31 mi Rosie the Riveter/World War II Home Front National Historical Park
Mountain peak
(5,082 ft) 95 mi Chews Ridge
Hospital 2 mi Stanford Health Care Tri-Valley
Hiking trail 3 mi Ridgeline Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 59°F 15°C | 39°F 4°C | 0.4 in 9 mm | — | 22 |
| February | 61°F 16°C | 44°F 7°C | 3.9 in 100 mm | — | 6 |
| March | 64°F 18°C | 45°F 7°C | 2.4 in 62 mm | 0.1 in2 mm | 9 |
| April | 71°F 21°C | 48°F 9°C | 0.6 in 15 mm | — | 13 |
| May | 78°F 26°C | 52°F 11°C | 0.1 in 2 mm | — | 24 |
| June | 80°F 27°C | 55°F 13°C | 0.0 in 0 mm | — | 30 |
| July | 81°F 27°C | 58°F 14°C | 0.0 in 0 mm | — | 28 |
| August | 85°F 30°C | 60°F 15°C | 0.0 in 1 mm | — | 29 |
| September | 83°F 28°C | 61°F 16°C | 0.2 in 5 mm | — | 19 |
| October | 72°F 22°C | 53°F 12°C | 1.8 in 46 mm | — | 17 |
| November | 63°F 17°C | 49°F 9°C | 3.1 in 78 mm | — | 7 |
| December | 56°F 13°C | 45°F 7°C | 1.8 in 45 mm | — | 12 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 22 | 0 |
| February | 6 | 3 |
| March | 9 | 1 |
| April | 13 | 1 |
| May | 24 | 0 |
| June | 30 | 0 |
| July | 28 | 0 |
| August | 29 | 0 |
| September | 19 | 0 |
| October | 17 | 1 |
| November | 7 | 3 |
| December | 12 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 53°F 12°C | 48°F 9°C |
| February | 54°F 12°C | 52°F 11°C |
| March | 55°F 13°C | 55°F 13°C |
| April | 56°F 13°C | 59°F 15°C |
| May | 55°F 13°C | 63°F 17°C |
| June | 57°F 14°C | 66°F 19°C |
| July | 60°F 16°C | 67°F 20°C |
| August | 61°F 16°C | 69°F 21°C |
| September | 62°F 17°C | 70°F 21°C |
| October | 62°F 17°C | 63°F 17°C |
| November | 58°F 14°C | 58°F 14°C |
| December | 56°F 14°C | 51°F 10°C |