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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 comfortable winter month in Signal Hill, California, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 65.1°F (18.4°C). Transitioning from December to January, Signal Hill observes an average high-temperature of a still enjoyable 65.1°F (18.4°C), differing subtly from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Signal Hill, is another comfortable month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 64°F (17.8°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still comfortable 64°F (17.8°C) from January's 65.1°F (18.4°C). Weather in February »
Weather in March
March, the first month of the spring in Signal Hill, is still a refreshing month, with an average temperature ranging between max 66.4°F (19.1°C) and min 53.1°F (11.7°C). The shift into March finds Signal Hill at an average high-temperature of a still comfortable 66.4°F (19.1°C), closely comparable to February's conditions. Weather in March »
Weather in April
April in Signal Hill, California, is a pleasant spring month, with an average temperature ranging between min 55°F (12.8°C) and max 68.5°F (20.3°C). The advent of April reveals an average high-temperature of a pleasant 68.5°F (20.3°C), showing minimal difference from the prior month. Weather in April »
Weather in May
The last month of the spring, May, is also an agreeable month in Signal Hill, California, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 57°F (13.9°C). Signal Hill starts May with an average high-temperature of a still agreeable 70°F (21.1°C), hinting at a minimal fluctuation from April. Weather in May »
Weather in June
June, the first month of the summer in Signal Hill, is also an agreeable month, with an average temperature ranging between min 59.2°F (15.1°C) and max 73°F (22.8°C). Signal Hill's weather in June indicates an average high-temperature of a still agreeable 73°F (22.8°C), nearly consistent with the 70°F (21.1°C) of May. Weather in June »
Weather in July
July is a warm summer month in Signal Hill, California, with temperature in the range of an average high of 77.5°F (25.3°C) and an average low of 63.5°F (17.5°C). Signal Hill's entry into July measures an average high-temperature of a warm 77.5°F (25.3°C), closely parallel to the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Signal Hill, California, with an average temperature fluctuating between 64.9°F (18.3°C) and 79.5°F (26.4°C). In Signal Hill, the month of August is known for its highest average temperatures, reaching a high of 79.5°F (26.4°C) and a low of 64.9°F (18.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Signal Hill, California, with an average temperature varying between 78.8°F (26°C) and 64.8°F (18.2°C). At the onset of September, Signal Hill records an average high-temperature of a still warm 78.8°F (26°C), showing little deviation from the preceding month. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Signal Hill, California, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 75°F (23.9°C). Signal Hill commences October with an average high-temperature of a still warm 75°F (23.9°C), maintaining a close resemblance to the previous month. Weather in October »
Weather in November
November, the last month of the autumn in Signal Hill, is also an agreeable month, with an average temperature ranging between max 70°F (21.1°C) and min 57.4°F (14.1°C). The arrival of November sees a recorded average high-temperature of an agreeable 70°F (21.1°C), showing little divergence from the previous month's conditions. Weather in November »
Weather in December
December, the first month of the winter in Signal Hill, is also an enjoyable month, with an average temperature fluctuating between 52.7°F (11.5°C) and 63.5°F (17.5°C). Signal Hill reaches its lowest average temperatures in December, measuring 63.5°F (17.5°C) at the peak and 52.7°F (11.5°C) at the lowest. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Signal Hill?
In Signal Hill, California, during the entire year, the rain falls for 47.2 days and collects up to 5.59" (142mm) of precipitation.
What is the month with the least sunshine in Signal Hill?
The months with the least sunshine in Signal Hill are January, February and December, with an average of 6.8h of sunshine.
What is the month with the lowest UV index in Signal Hill?
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Signal Hill, California.
When is Daylight Saving Time (DST) in Signal Hill?
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 Signal Hill?
June is the most humid month, with an average relative humidity of 71%.
What is the driest month in Signal Hill?
June is the month with the least rainfall. Rain falls for 1.8 days and accumulates 0.08" (2mm) of precipitation.
When are the longest days in Signal Hill?
With an average of 14h and 24min of daylight, June has the longest days of the year in Signal Hill.
What is the month with the highest UV index in Signal Hill?
The months with the highest UV index are June through September, with an average maximum UV index of 6.
What is the month with the most sunshine in Signal Hill?
The months with the most sunshine in Signal Hill, California, are July and August, with an average of 12h of sunshine.
What month is the hottest in Signal Hill?
August is the warmest month of the year in Signal Hill, California, registering average temperatures as high as 79.5°F (26.4°C) and as low as 64.9°F (18.3°C).
What is the least humid month in Signal Hill?
With an average relative humidity of 55%, November is the least humid month in Signal Hill.
What are the coldest months in Signal Hill?
In Signal Hill, December registers the lowest temperatures, averaging 63.5°F (17.5°C) at the peak and 52.7°F (11.5°C) at the lowest.
What is the rainiest month in Signal Hill?
December is the month with the most rainfall. Rain falls for 5.1 days and accumulates 1.14" (29mm) of precipitation.
What is the month with the shortest days in Signal Hill?
The month with the shortest days is December, with an average of 10h and 0min of daylight.
Average temperature
Signal Hill, CA
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.5°F).
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure
Signal Hill, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"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:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed
Signal Hill, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.6mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.5mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5mph - Average wind speed in October:
5mph - Average wind speed in November:
5.3mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).
Average humidity
Signal Hill, CA
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall
Signal Hill, CA
- Average rainfall in January:
0.98" - Average rainfall in February:
0.79" - Average rainfall in March:
0.67" - Average rainfall in April:
0.31" - Average rainfall in May:
0.16" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.2" - Average rainfall in September:
0.24" - Average rainfall in October:
0.28" - Average rainfall in November:
0.47" - Average rainfall in December:
1.14"
The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Signal Hill, CA
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
6 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
3.3 days - Average rainfall days in October:
3.7 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.8 days).
Average daylight / Average sunshine
Signal Hill, 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:
13h and 5min - 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:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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 0min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 2min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days
Signal Hill, CA
- Average sunshine days in January:
25.7 days - Average sunshine days in February:
22.4 days - Average sunshine days in March:
24.7 days - Average sunshine days in April:
24.4 days - Average sunshine days in May:
23 days - Average sunshine days in June:
20.8 days
- Average sunshine days in July:
24.1 days - Average sunshine days in August:
24.5 days - Average sunshine days in September:
22.7 days - Average sunshine days in October:
24.4 days - Average sunshine days in November:
24.2 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is June (20.8 days).
Average UV index
Signal Hill, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
Signal Hill, CA
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Signal Hill, 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).
Signal Hill, California, USA
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