Simi Valley, us-California State, USA Weather Information
Local Time
2026-03-12 04:10:46 Pacific Standard TimeWeather in the past year
Sun & Astronomy
In Simi Valley, us-California State, USA, today's sunrise time is 07:07, sunset time is 19:01, nautical twilight begins at 06:15, nautical twilight ends at 19:54, astronomical twilight begins at 05:45, astronomical twilight ends at 20:23.
Temperature Analysis
In Simi Valley, us-California State, USA region, the lowest temperature occurs in January 2025, with an average temperature of about 12.9°C.
The highest temperature occurs in August 2025, with a maximum temperature of up to 26.4°C.
Based on historical data, the average temperature in January is 12.9°C, February is 14.4°C, March is 13.1°C, April is 15.8°C, May is 19.8°C, June is 22.3°C, July is 23.1°C, August is 26.4°C, September is 23.7°C, October is 19.7°C, November is 16.5°C, December is 16°C.
Wind Analysis
In Simi Valley, us-California State, USA region, the lowest wind speed occurs in November 2025, with an average wind speed of about 36.5 km/h.
The highest wind speed occurs in January 2025, with a maximum wind speed of up to 49.4 km/h.
Based on historical data, the average wind speed in January is 49.4 km/h, February is 39.7 km/h, March is 40.5 km/h, April is 42.4 km/h, May is 43.1 km/h, June is 40.6 km/h, July is 39.6 km/h, August is 40.2 km/h, September is 39.3 km/h, October is 39.5 km/h, November is 36.5 km/h, December is 40.1 km/h.
Sunshine Duration Analysis
In Simi Valley, us-California State, USA region, the lowest sunshine duration occurs in November 2025, with an average sunshine duration of about 7.3 hours.
The highest sunshine duration occurs in June 2025, with a maximum sunshine duration of up to 13.3 hours.
Based on historical data, the average sunshine duration in January is 8.8 hours, February is 8.3 hours, March is 9 hours, April is 11.1 hours, May is 11.5 hours, June is 13.3 hours, July is 13.1 hours, August is 12.2 hours, September is 10.7 hours, October is 10 hours, November is 7.3 hours, December is 7.8 hours.
Precipitation Analysis
In Simi Valley, us-California State, USA region, the lowest precipitation occurs in June 2025, with an average precipitation of about 0 mm.
The highest precipitation occurs in November 2025, with a maximum precipitation of up to 5.6 mm.
Based on historical data, the average precipitation in January is 0.6 mm, February is 3 mm, March is 1.9 mm, April is 0.3 mm, May is 0.1 mm, June is 0 mm, July is 0 mm, August is 0 mm, September is 1.4 mm, October is 1.2 mm, November is 5.6 mm, December is 4.3 mm.