Climate and monthly weather forecastSan Fernando, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in San Fernando, California, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.8°F (8.8°C). San Fernando's average high-temperature marks a still enjoyable 63.1°F (17.3°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also an enjoyable month in San Fernando, California, with an average temperature fluctuating between 63°F (17.2°C) and 46.4°F (8°C). San Fernando's average high-temperature in February is a still refreshing 63°F (17.2°C), indicating a subtle variation from January. Weather in February »Weather in March
March, the first month of the spring in San Fernando, is also an enjoyable month, with an average temperature fluctuating between 48.2°F (9°C) and 66.6°F (19.2°C). San Fernando experiences a transition to a still refreshing 66.6°F (19.2°C) in average high-temperatures with the arrival of March, not greatly differing from February's 63°F (17.2°C). Weather in March »Weather in April
April in San Fernando, California, is an agreeable spring month, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 50.5°F (10.3°C). April welcomes an average high-temperature of a pleasant 70.3°F (21.3°C), not much different from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a warm month in San Fernando, California, with an average temperature ranging between min 54.5°F (12.5°C) and max 73.8°F (23.2°C). San Fernando records an average high-temperature of a moderately hot 73.8°F (23.2°C) in May, closely mirroring the climate of the previous month. Weather in May »Weather in June
June, the first month of the summer in San Fernando, is also a moderately hot month, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). Observing a minor shift, the average high-temperature during June adjusts from May's moderately hot 73.8°F (23.2°C) to a still warm 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in San Fernando, California, is a moderately hot summer month, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C). San Fernando's weather in July, with an average high-temperature of a still moderately hot 84.2°F (29°C), subtly shifts from June's 79.3°F (26.3°C). Weather in July »Weather in August
August, the last month of the summer in San Fernando, is another warm month, with an average temperature varying between 85.8°F (29.9°C) and 64.9°F (18.3°C). San Fernando records the warmest temperatures in August, averaging a high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C). For most parts of August, the heat index is computed to be a hot 87.8°F (31°C). Weather in August »Weather in September
September, the first month of the autumn in San Fernando, is still a warm month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 62.6°F (17°C). The transition into September notes an average high-temperature of a still moderately hot 83.1°F (28.4°C), revealing a mild distinction from the 85.8°F (29.9°C) in August. Weather in September »Weather in October
October, like September, in San Fernando, California, is a moderately hot autumn month, with an average temperature varying between 76.5°F (24.7°C) and 58.5°F (14.7°C). San Fernando records a mild change in average high-temperature during October, easing from a warm 83.1°F (28.4°C) in September to a still moderately hot 76.5°F (24.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another pleasant month in San Fernando, California, with an average temperature varying between 52.3°F (11.3°C) and 69.4°F (20.8°C). Start of November brings a slight shift in the average high-temperature, dipping a bit from October's warm 76.5°F (24.7°C) to a pleasant 69.4°F (20.8°C). Weather in November »Weather in December
December, the first month of the winter in San Fernando, is still a refreshing month, with an average temperature ranging between min 46.2°F (7.9°C) and max 61.7°F (16.5°C). With average temperatures fluctuating between a high of 61.7°F (16.5°C) and a low of 46.2°F (7.9°C), December stands out as the coldest month. Weather in December »Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.
The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.
February is the month with the most rainfall. Rain falls for 4.8 days and accumulates 1.54" (39mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
June is the most humid month, with an average relative humidity of 58%.
The only month without rainfall in San Fernando is June.
With an average of 14h and 24min of daylight, June has the longest days of the year.
June and July, with an average of 12.1h of sunshine, are months with the most sunshine.
June through September, with an average maximum UV index of 6, are months with the highest UV index.
January through May, July through December are months with rainfall in San Fernando, California.
August tends to be the warmest month, with temperatures averaging a daily high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C).
The least humid month is November, with an average relative humidity of 47%.
December is the coldest month, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C).
December has the shortest days of the year, with an average of 9h and 54min of daylight.
With an average maximum UV index of 3, December is the month with the lowest UV index.
Average temperature
San Fernando, CA
The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (61.7°F).
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure
San Fernando, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.9"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
San Fernando, CA
- Average wind speed in January:
6.2mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.1mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are January and December (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity
San Fernando, CA
The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).
Average rainfall
San Fernando, CA
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.2" - Average rainfall in November:
0.75" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").
Average rainfall days
San Fernando, CA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
4.3 days - Average rainfall days in May:
1.8 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1.9 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).
Average daylight / Average sunshine
San Fernando, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 48min - Average sunshine in April:
11h and 12min - Average sunshine in May:
11h and 36min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 48min - Average sunshine in October:
8h and 24min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days
San Fernando, CA
- Average sunshine days in January:
25.6 days - Average sunshine days in February:
22.9 days - Average sunshine days in March:
24.3 days - Average sunshine days in April:
25.5 days - Average sunshine days in May:
28.8 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
28.7 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
25.2 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is February (22.9 days).
Average UV index
San Fernando, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
San Fernando, CA
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility
San Fernando, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
