Expand
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, like December, in Sylmar, California, is another refreshing winter month, with an average temperature varying between 63.1°F (17.3°C) and 47.8°F (8.8°C). January ushers in an average high-temperature of a still comfortable 63.1°F (17.3°C), aligning closely with the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Sylmar, is another refreshing month, with an average temperature fluctuating between 46.4°F (8°C) and 63°F (17.2°C). With the onset of February, Sylmar's average high-temperature clocks in at a still refreshing 63°F (17.2°C), showing a minor fluctuation from the previous month. 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 records an average high-temperature of a still enjoyable 66.6°F (19.2°C) in March, maintaining a close correlation with February's 63°F (17.2°C). Weather in March »
Weather in April
April is a pleasant spring month in Sylmar, California, with an average temperature varying between 70.3°F (21.3°C) and 50.5°F (10.3°C). The introduction of April sees an average high-temperature of a pleasant 70.3°F (21.3°C), hardly deviating from March. Weather in April »
Weather in May
May, the last month of the spring in Sylmar, is a warm month, with an average temperature varying between 73.8°F (23.2°C) and 54.5°F (12.5°C). As Sylmar, California, welcomes May, the average high-temperature records at a warm 73.8°F (23.2°C), marking an insignificant deviation from the prior month. Weather in May »
Weather in June
June, the first month of the summer in Sylmar, is also a moderately hot month, with an average temperature varying between 79.3°F (26.3°C) and 58.6°F (14.8°C). June's arrival signals a modest temperature shift, moving from a moderately hot 73.8°F (23.2°C) in May 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 start of July marks an average high-temperature of a still warm 84.2°F (29°C), hardly distinguishable from the conditions in June. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Sylmar, California, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 64.9°F (18.3°C). The warmest temperatures occur during August, when averages reach a peak of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C). During August, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sylmar, California, with an average temperature ranging between max 83.1°F (28.4°C) and min 62.6°F (17°C). The arrival of September sees a recorded average high-temperature of a still warm 83.1°F (28.4°C), showing little divergence from the previous month's conditions. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Sylmar, California, with an average temperature fluctuating between 76.5°F (24.7°C) and 58.5°F (14.7°C). The transition into October subtly indicates a reduction in the average high-temperature, down to a still warm 76.5°F (24.7°C) from September's moderately hot 83.1°F (28.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an agreeable month in Sylmar, California, with an average temperature varying between 69.4°F (20.8°C) and 52.3°F (11.3°C). November is marked by a subtle drop in average high-temperatures, transitioning 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
December, the first month of the winter in Sylmar, is still a comfortable month, with an average temperature ranging between min 46.2°F (7.9°C) and max 61.7°F (16.5°C). Sylmar, California, reaches its lowest average temperatures in December, measuring 61.7°F (16.5°C) at the peak and 46.2°F (7.9°C) at the lowest. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Sylmar?
In Sylmar, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.
What is the month with the least sunshine in Sylmar?
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.
What is the wettest month in Sylmar?
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) in Sylmar?
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 in Sylmar?
June is the most humid month, with an average relative humidity of 58%.
What is the driest month in Sylmar?
June is the only month when rain does not fall in Sylmar.
When are the longest days in Sylmar?
June has the longest days of the year in Sylmar, California, with an average of 14h and 24min of daylight.
What are the months with the most sunshine in Sylmar?
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.
What are the months with the highest UV index in Sylmar?
The months with the highest UV index in Sylmar are June through September, with an average maximum UV index of 6.
When does it rain in Sylmar?
Months with rainfall in Sylmar are January through May, July through December.
What month is the hottest in Sylmar?
In Sylmar, the average highest temperatures are observed in August, with a high of 85.8°F (29.9°C) and a low of 64.9°F (18.3°C).
What is the least humid month in Sylmar?
November is the least humid month, with an average relative humidity of 47%.
What part of the year is the coldest in Sylmar?
December, noted for its average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.2°F (7.9°C), is considered the coldest month.
What is the month with the shortest days in Sylmar?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Sylmar.
When is the lowest UV index in Sylmar?
The month with the lowest UV index in Sylmar, California, is December, with an average maximum UV index of 3.
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
