San Rafael Gardening Weather

I just wanted to post some information about the weather where I am located to give you a better idea of what I am dealing with. I borrowed this from wikipedia.


San Rafael has a Mediterranean climate, with mild winter lows seldom reaching the freezing mark. Average highs are in the mid 50s F° (11-15 C°) and lows are in mid 40s F°(5-10 C°). In the summer highs are around the low 80s F°. Summer lows are around the mid 50s F°(13 C°). The National Weather Service reports that August is usually the warmest month with a high of 81.3° and a low of 54.8°. This makes it possible to live in this area without air conditioning.

January, the coldest month, has an average high of 56.2° and an average low of 41.3°. The highest temperature on record is 110°, recorded in June 1961. The highest temperature in recent years, 108°, occurred on July 23, 2006.[1] The record lowest temperature was 20° on December 22, 1990.

There are an average of 19.5 days annually with a high of 90° or more and 2.1 days with a high of 100° or more. Freezing temperatures (32° or below) occur on an average of 4.2 days.

Total annual precipitation averages 34.29 inches (871 mm). There are normally 68.5 days with measurable rain. The rainy season is from November to early April. Rain is rare outside of this period and it is normal to receive no rain in June, July, August, and September. The most rain in one month was 24.11 inches (612 mm) in January 1995. The heaviest 24-hour rainfall was 8.74 inches (222 mm) on December 11, 1995. A trace of snow was recorded on January 30th, 1976.


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