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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another refreshing winter month in Sylmar, California, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.8°F (8.8°C). With the arrival of January, Sylmar's average high-temperature registers at a still comfortable 63.1°F (17.3°C), indicating a subtle variation from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Sylmar, is also an enjoyable month, with an average temperature ranging between max 63°F (17.2°C) and min 46.4°F (8°C). Entering February, the average high-temperature is recorded at a still refreshing 63°F (17.2°C), exhibiting a minimal shift from January's 63.1°F (17.3°C). Weather in February »
Weather in March
The first month of the spring, March, is still a comfortable month in Sylmar, California, with an average temperature varying between 48.2°F (9°C) and 66.6°F (19.2°C). Sylmar measures an average high-temperature of a still refreshing 66.6°F (19.2°C) in March, nearly consistent with the preceding month. Weather in March »
Weather in April
April in Sylmar, California, is an agreeable spring month, with an average temperature varying between 50.5°F (10.3°C) and 70.3°F (21.3°C). As Sylmar, California, transitions from March to April, the average high-temperatures adjust to an agreeable 70.3°F (21.3°C), nearly the same as the previous 66.6°F (19.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Sylmar, California, with an average temperature varying between 54.5°F (12.5°C) and 73.8°F (23.2°C). The initiation of May sees an average high-temperature of a warm 73.8°F (23.2°C), showing minor variations from the previous month. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Sylmar, California, with an average temperature ranging between min 58.6°F (14.8°C) and max 79.3°F (26.3°C). A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from 73.8°F (23.2°C) to a still warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Sylmar, California, with an average temperature varying between 84.2°F (29°C) and 64°F (17.8°C). The onset of July manifests an average high-temperature of a still moderately hot 84.2°F (29°C), demonstrating a minor variation from the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Sylmar, is another warm month, with an average temperature ranging between min 64.9°F (18.3°C) and max 85.8°F (29.9°C). Sylmar's temperatures tend to reach their peak averages in August, with a high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C). Throughout 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 Sylmar, is still a warm month, with an average temperature fluctuating between 83.1°F (28.4°C) and 62.6°F (17°C). September's average high-temperature is a still moderately hot 83.1°F (28.4°C), maintaining a close comparison with August's 85.8°F (29.9°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Sylmar, California, with an average temperature fluctuating between 76.5°F (24.7°C) and 58.5°F (14.7°C). A minor decrease in the average high-temperature is observed during October, shifting 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
November, the last month of the autumn in Sylmar, is also an agreeable month, with an average temperature fluctuating between 52.3°F (11.3°C) and 69.4°F (20.8°C). A mild shift in the average high-temperature occurs in November, reducing from a moderately hot 76.5°F (24.7°C) in October to a pleasant 69.4°F (20.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Sylmar, California, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 61.7°F (16.5°C). December, with its average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C), holds the record as the coldest month. Weather in December »
Updated: Aug 15, 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
How much does it rain?
Throughout the year, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.
What is the month with the least sunshine?
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.
What is the wettest month?
The month with the most rainfall is February, when the rain falls for 4.8 days and typically aggregates up to 1.54" (39mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
What is the most humid month?
With an average relative humidity of 58%, June is the most humid month.
What is the driest month?
The only month without rainfall is June.
When are the longest days?
The month with the longest days is June, with an average of 14h and 24min of daylight.
What are the months with the most sunshine?
June and July, with an average of 12.1h of sunshine, are months with the most sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June through September, with an average maximum UV index of 6.
When does it rain?
Months with rainfall in Sylmar are January through May, July through December.
What are the warmest months?
In Sylmar, temperatures reach their average annual highs in August, measuring 85.8°F (29.9°C) and a minimum average of 64.9°F (18.3°C).
What is the least humid month?
The least humid month is November, with an average relative humidity of 47%.
What time of the year is the coldest?
In Sylmar, California, the average lowest temperatures are observed in December, with a high of 61.7°F (16.5°C) and a low of 46.2°F (7.9°C).
What is the month with the shortest days?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
When is the lowest UV index?
With an average maximum UV index of 3, December is the month with the lowest UV index.
Average temperature
Sylmar, 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
Sylmar, 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
Sylmar, 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
Sylmar, CA
The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).
Average rainfall
Sylmar, 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
Sylmar, 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
Sylmar, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
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 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 1min - Average sunshine in May:
11h and 4min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 2min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
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
Sylmar, 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
Sylmar, 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
Sylmar, 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
Sylmar, 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).
Sylmar, California, USA
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