+37.3688° · -122.0363° · ELEV 0m
Sunnyvale
United States · California
Monthly weather averages for Sunnyvale, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → JanuaryClimate Overview
Sunnyvale has a Mediterranean climate. The warmest month is August (29°C average high) and the coolest is December (14°C).
№ 02
515 mm / yearRainfall by Month
Sunnyvale sees 515 mm of rain a year. The wettest month is December (120 mm); the driest is August (0 mm).
№ 03
May–OctoberBest Time to Visit
May–October
11°C – 29°C · 12.4h sun
The best time to visit Sunnyvale is May–October, when temperatures average 11°C–29°C with 12.4 sunshine hours per day.
Some visitors prefer November–April for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 15.2°C | 6.8°C | 102 mm | 7.5 h | 07:21 | 17:13 |
|---|---|---|---|---|---|---|
| February | 16.2°C | 7.1°C | 79 mm | 8.9 h | 06:57 | 17:47 |
| March | 17.6°C | 8.2°C | 86 mm | 9.5 h | 07:19 | 19:15 |
| April | 20.3°C | 9.5°C | 29 mm | 11.3 h | 06:33 | 19:42 |
| May | 23.1°C | 11.3°C | 12 mm | 12.8 h | 05:59 | 20:09 |
| June | 27.5°C | 13.8°C | 1 mm | 13.6 h | 05:46 | 20:30 |
| July | 28.7°C | 14.8°C | 2 mm | 13.7 h | 05:59 | 20:28 |
| August | 29.0°C | 15.4°C | 0 mm | 12.9 h | 06:24 | 20:01 |
| September | 27.9°C | 15.2°C | 5 mm | 11.6 h | 06:50 | 19:16 |
| October | 24.5°C | 13.3°C | 31 mm | 10.1 h | 07:15 | 18:31 |
| November | 18.2°C | 9.3°C | 48 mm | 8.7 h | 06:47 | 16:58 |
| December | 14.2°C | 7.0°C | 120 mm | 7.1 h | 07:15 | 16:51 |