UTC Offset
UTC-07:00
Simi Valley, United States Snapshot 2026
Where is Simi Valley?
Simi Valley, United States
- Continent
- Americas
- Country
- United States
- City
- Simi Valley
- Population
- 126.8K
- Elevation
- 234 m
- Coordinates
- 34.27°, -118.78°
Simi Valley is a city in United States with a population of approximately 126.8K. Average temperatures range from 6°C (44°F) in January to 32°C (89°F) in August. The best time to visit is April, May, June, September, October. The city sits at an elevation of 234 m above sea level.
Time in Simi Valley right now
Open full time & time zone page 21:17 17
Monday, June 15, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Simi Valley
Daylight in Simi Valley today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 26m
Climate normals for Simi Valley
Long-term monthly averages based on historical data.
January
Fair 
February
Good March
Good April best
Excellent May best
Excellent June best
Excellent July
Good August
Excellent September best
Excellent October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 18°C / 6°C | 16°C / 4°C | 6days (91 mm) Good | 8.2h Good | 66% Muggy | 3.7 Moderate | Fair | View Details |
| February | 19°C / 7°C | 17°C / 4°C | 5days (80 mm) Good | 9h Good | 62% Muggy | 4.4 Moderate | Good | View Details |
| March | 19°C / 8°C | 18°C / 6°C | 8days (83 mm) Wet | 10.1h Excellent | 69% Muggy | 6 High | Good | View Details |
| April best | 23°C / 11°C | 23°C / 9°C | 3days (18 mm) Excellent | 11.7h Excellent | 62% Muggy | 7.2 Very High | Excellent | View Details |
| May best | 24°C / 13°C | 24°C / 13°C | 2days (10 mm) Excellent | 12.7h Excellent | 67% Muggy | 7.7 Very High | Excellent | View Details |
| June best | 28°C / 16°C | 30°C / 17°C | 0days (1 mm) Excellent | 13.3h Excellent | 63% Muggy | 8.2 Very High | Excellent | View Details |
| July | 31°C / 20°C | 33°C / 21°C | 0days (1 mm) Excellent | 13.3h Excellent | 60% Moderate | 8.5 Very High | Good | View Details |
| August | 32°C / 20°C | 33°C / 22°C | 1days (9 mm) Excellent | 12.3h Excellent | 59% Moderate | 7.9 Very High | Excellent | View Details |
| September best | 30°C / 18°C | 31°C / 19°C | 1days (6 mm) Excellent | 11.4h Excellent | 61% Muggy | 7 High | Excellent | View Details |
| October best | 27°C / 14°C | 26°C / 13°C | 2days (12 mm) Excellent | 10.3h Excellent | 54% Moderate | 5.6 High | Excellent | View Details |
| November | 23°C / 10°C | 20°C / 8°C | 3days (33 mm) Excellent | 8.9h Good | 54% Moderate | 4 Moderate | Good | View Details |
| December | 19°C / 7°C | 17°C / 5°C | 5days (80 mm) Good | 7.8h Good | 62% Muggy | 3.3 Moderate | Good | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 18°C / 6°C . Feb: 19°C / 7°C . Mar: 19°C / 8°C . Apr: 23°C / 11°C . May: 24°C / 13°C . Jun: 28°C / 16°C . Jul: 31°C / 20°C . Aug: 32°C / 20°C . Sep: 30°C / 18°C . Oct: 27°C / 14°C . Nov: 23°C / 10°C . Dec: 19°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 91 mm. Feb: 80 mm. Mar: 83 mm. Apr: 18 mm. May: 10 mm. Jun: 1 mm. Jul: 1 mm. Aug: 9 mm. Sep: 6 mm. Oct: 12 mm. Nov: 33 mm. Dec: 80 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 62%. Mar: 69%. Apr: 62%. May: 67%. Jun: 63%. Jul: 60%. Aug: 59%. Sep: 61%. Oct: 54%. Nov: 54%. Dec: 62%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 13 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 11 km/h . Oct: 11 km/h . Nov: 12 km/h . Dec: 12 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 14°C . Feb: 14°C . Mar: 14°C . Apr: 15°C . May: 18°C . Jun: 19°C . Jul: 21°C . Aug: 22°C . Sep: 22°C . Oct: 19°C . Nov: 17°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Simi Valley has a population of approximately 126.8K.
The best months to visit Simi Valley are April, May, June, September, October, when temperatures are pleasant and rainfall is lower.
Simi Valley receives approximately 424mm of rainfall annually across 36 rainy days.
Simi Valley is located in United States, in the Americas region.
Simi Valley sits at an elevation of 234 m (768 ft) above sea level.