+34.2694° · -118.7815° · ELEV 0m
Simi Valley
United States · California
Monthly weather averages for Simi Valley, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → DecemberClimate Overview
Simi Valley has a Mediterranean climate. The warmest month is August (32°C average high) and the coolest is December (18°C).
№ 02
367 mm / yearRainfall by Month
Simi Valley sees 367 mm of rain a year. The wettest month is December (85 mm); the driest is June (2 mm).
№ 03
April–JuneBest Time to Visit
April–June
12°C – 29°C · 12.3h sun
The best time to visit Simi Valley is April–June, when temperatures average 12°C–29°C with 12.3 sunshine hours per day.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 18.7°C | 8.4°C | 75 mm | 8.3 h | 07:00 | 17:07 |
|---|---|---|---|---|---|---|
| February | 20.0°C | 8.4°C | 57 mm | 9.4 h | 06:40 | 17:38 |
| March | 20.6°C | 9.3°C | 67 mm | 10.3 h | 07:05 | 19:02 |
| April | 24.1°C | 11.7°C | 16 mm | 11.5 h | 06:23 | 19:26 |
| May | 24.6°C | 13.2°C | 10 mm | 12.5 h | 05:53 | 19:49 |
| June | 28.9°C | 16.5°C | 2 mm | 13.0 h | 05:42 | 20:08 |
| July | 31.9°C | 19.4°C | 6 mm | 13.7 h | 05:54 | 20:07 |
| August | 32.4°C | 19.7°C | 9 mm | 12.6 h | 06:16 | 19:43 |
| September | 31.2°C | 18.5°C | 10 mm | 11.5 h | 06:38 | 19:02 |
| October | 28.2°C | 15.6°C | 9 mm | 10.4 h | 07:00 | 18:21 |
| November | 23.3°C | 11.4°C | 21 mm | 9.5 h | 06:28 | 16:51 |
| December | 18.3°C | 8.3°C | 85 mm | 8.2 h | 06:53 | 16:46 |