Precipitation is quite scarce, although there can be periods of bad weather in winter.
, and at an altitude of 300 meters (1,000 feet). San Fernando valley has a climate not much different from that of Los Angeles, but it is a little colder on winter nights and a little warmer in summer, because the Santa Monica Mountains separate it from the ocean. However, here too, sometimes there can be days that are a bit cool, in May (with highs around 17 °C or 63 °F) and in early June (with highs around 20 °C or 68 °F).
of the year, the temperature generally drops to 1/2 °C (34/36 °F). Snow is extremely rare, although it snowed in 1949.
of the year, which can also occur in September, the temperature generally reaches 41/42 °C (106/108 °F), but sometimes as high as 45 °C (113 °F). This happens when the Santa Ana winds blow from the deserts of Nevada.
to visit San Fernando is spring, in April and May, in fact, it is a mild to pleasantly warm and sunny period, and with a very low risk of hot days. Autumn, in October and November, is generally a good season as well, although the Santa Ana winds are quite common, and the first rains can fall, especially in November.
The following data was recorded in the neighboring city of Van Nuys.
. Here are the average temperatures.
January is generally a mild month. The average temperature is of
14 °C, with a minimum of
7.8 °C and a maximum of
20.1 °C.

On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-3.3 °C in January 2007.

On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
33.3 °C in January 2003.

Precipitation amounts to
70 mm, distributed over 5 days.
The day lasts on average 10 hours and 10 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 51%.
The average wind speed is of
10.2 kph.
February is generally a mild month. The average temperature is of
14.1 °C, with a minimum of
8 °C and a maximum of
20.2 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-0.6 °C in February 2002.

On the warmest days of the month, the temperature usually reaches around
28 °C. However, it reached
33.3 °C in February 2003.

Precipitation amounts to
95 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 55%.
The average wind speed is of
9.3 kph.
March is generally a very mild month. The average temperature is of
15.9 °C, with a minimum of
9.6 °C and a maximum of
22.3 °C.

On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
0 °C in March 2006.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
36.1 °C in March 2013.

Precipitation amounts to
65 mm, distributed over 5 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 56%.
The average wind speed is of
8.9 kph.
April is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
17.4 °C, with a minimum of
10.8 °C and a maximum of
24.1 °C.

On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
2.2 °C in April 2011.

On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
38.3 °C in April 2004.

Precipitation amounts to
20 mm, distributed over 3 days.
The day lasts on average 13 hours and 5 minutes.

There are on average 10.5 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 53%.
The average wind speed is of
10.2 kph.
May is generally a warm month. The average temperature is of
19.7 °C, with a minimum of
13.4 °C and a maximum of
26.1 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
6.1 °C in May 1991.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
40.6 °C in May 2013.

Precipitation amounts to only
5 mm, distributed over 2 days.
The day lasts on average 14 hours and 0 minutes.

There are on average 10 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 57%.
The average wind speed is of
9.5 kph.
June is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
22.2 °C, with a minimum of
15.4 °C and a maximum of
29 °C.

On the coldest nights of the month, the temperature usually drops to around
12.5 °C. However, it dropped to
8.3 °C in June 1999.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
45.6 °C in June 2016.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 14 hours and 25 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.

There are on average 11 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 58%.
The average wind speed is of
9.3 kph.
July is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
25.4 °C, with a minimum of
17.9 °C and a maximum of
32.9 °C.

On the coldest nights of the month, the temperature usually drops to around
14.5 °C. However, it dropped to
12.8 °C in July 2012.

On the warmest days of the month, the temperature usually reaches around
39.5 °C. However, it reached
47.2 °C in July 2018.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 14 hours and 10 minutes. So the days are long.

There are on average 12 hours of sunshine per day. So, the sun shines 85% of the time.
The average humidity is 53%.
The average wind speed is of
8.8 kph.
August, the hottest month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
26.1 °C, with a minimum of
18.3 °C and a maximum of
33.9 °C.

On the coldest nights of the month, the temperature usually drops to around
15 °C. However, it dropped to
13 °C in August 2010.

On the warmest days of the month, the temperature usually reaches around
40.5 °C. However, it reached
44.4 °C in August 2020.

Precipitation amounts to only
0 mm, so on average it never rains in the whole month.
The day lasts on average 13 hours and 25 minutes.

There are on average 11.5 hours of sunshine per day. So, the sun shines 86% of the time.
The average humidity is 49%.
The average wind speed is of
8.1 kph.
September is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
24.8 °C, with a minimum of
17.1 °C and a maximum of
32.4 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
10.6 °C in September 1998.

On the warmest days of the month, the temperature usually reaches around
40.5 °C. However, it reached
47.8 °C in September 2020.

Precipitation amounts to only
5 mm, and all occurs in one day.
The day lasts on average 12 hours and 20 minutes.

There are on average 10 hours of sunshine per day. So, the sun shines 83% of the time.
The average humidity is 49%.
The average wind speed is of
7.2 kph.
October is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21 °C, with a minimum of
13.7 °C and a maximum of
28.3 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
6 °C in October 1996.

On the warmest days of the month, the temperature usually reaches around
37 °C. However, it reached
41.7 °C in October 2020.

Precipitation amounts to
10 mm, distributed over 2 days.
The day lasts on average 11 hours and 20 minutes.

There are on average 9 hours of sunshine per day. So, the sun shines 79% of the time.
The average humidity is 50%.
The average wind speed is of
7.6 kph.
November is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
16.8 °C, with a minimum of
9.6 °C and a maximum of
23.9 °C.

On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
-0.6 °C in November 2004.

On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
40 °C in November 2019.

Precipitation amounts to
20 mm, distributed over 3 days.
The day lasts on average 10 hours and 25 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 47%.
The average wind speed is of
8.8 kph.
December, the coldest month of the year, is generally a mild month. The average temperature is of
13.4 °C, with a minimum of
7.2 °C and a maximum of
19.7 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-2.2 °C in December 1998.

On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
31.1 °C in December 2003.

Precipitation amounts to
50 mm, distributed over 6 days.
The day lasts on average 9 hours and 55 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.

There are on average 7 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 49%.
The average wind speed is of
10.2 kph.