Simi Valley Weather in August

August in Simi Valley brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 16°C (61°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Simi Valley in August

Enjoy minimal rain interruptions this month. It's an excellent time for outdoor plans, from sports to festivals. Climate statistics over the past 30 years suggest around 0 days of rain, with 0.1 mm (0 in) average for the month.

Temperature in Simi Valley in August

Simi Valley in August has excellent weather. Days reach 31°C (88°F) and nights cool to 16°C (61°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Sunshine in Simi Valley in August

With approximately 347 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Simi Valley. Our weather planner can help you explore destinations with more pleasant weather conditions.