Simi Valley
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Simi Valley, CA

An aerial shot of the deep design and plan of the Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges and a clear sky
An aerial shot of the deep design and plan of the Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges and a clear sky
The last month of the spring, May, is also a moderately hot month in Simi Valley, California, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 82.9°F (28.3°C).

Temperature

In May, the average high-temperature is almost the same as in April - a still warm 82.9°F (28.3°C). The average low-temperature, in Simi Valley, is 48.9°F (9.4°C).

Rainfall

During May, Simi Valley regularly aggregates up to 0.3" (7.9mm) of precipitation. Throughout the year, in Simi Valley, California, 17.9" (455.4mm) of rain is accumulated.

Daylight

In May, the average length of the day in Simi Valley, California, is 14h.

What is the temperature in May in Simi Valley?

In Simi Valley, in May, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 48.9°F (9.4°C).

How much does it rain in Simi Valley in May?

During May, Simi Valley regularly aggregates up to 0.3" (7.9mm) of precipitation.

How many hours of daylight does Simi Valley have in May?

In May, the average length of the day is 14h.
Average temperature in May - Simi Valley, CA
  • Average high temperature in May: 83°F

The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is December (68°F).

  • Average low temperature in May: 49°F

Months with the highest average low temperature are July and August (57°F).
The coldest month (with the lowest average low temperature) is December (38°F).

Average rainfall in May - Simi Valley, CA
  • Average rainfall in May: 0.3"

The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the lowest rainfall) is July (0").

Average daylight in May - Simi Valley, CA
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).