Climate and monthly weather forecastSan Gabriel, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in San Gabriel, California, with an average temperature varying between 65.1°F (18.4°C) and 48.4°F (9.1°C). January's average high-temperature is a still enjoyable 65.1°F (18.4°C), maintaining a close comparison with December's 63.1°F (17.3°C). Weather in January »Weather in February
February, the last month of the winter in San Gabriel, is another comfortable month, with an average temperature fluctuating between 47.1°F (8.4°C) and 64.9°F (18.3°C). San Gabriel, California, starts February with an average high-temperature of a still comfortable 64.9°F (18.3°C), hinting at a minimal fluctuation from January. Weather in February »Weather in March
March, the first month of the spring in San Gabriel, is an agreeable month, with temperature in the range of an average high of 68°F (20°C) and an average low of 48.7°F (9.3°C). Entering March, San Gabriel's average high-temperature reads a pleasant 68°F (20°C), indicating a close resemblance to the previous month's climate. Weather in March »Weather in April
April, like March, is another pleasant spring month in San Gabriel, California, with an average temperature fluctuating between 72.1°F (22.3°C) and 51.4°F (10.8°C). The start of April sees the average high-temperature at a still agreeable 72.1°F (22.3°C), showing little difference from March's 68°F (20°C). Weather in April »Weather in May
May, the last month of the spring in San Gabriel, is a warm month, with an average temperature varying between 54.5°F (12.5°C) and 74.8°F (23.8°C). In May, the average high-temperature registers at a moderately hot 74.8°F (23.8°C), nearly identical to April's 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in San Gabriel, is also a moderately hot month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 57.7°F (14.3°C). June brings a slight increase in the average high-temperature, progressing from a warm 74.8°F (23.8°C) in May to a still moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in San Gabriel, California, with an average temperature fluctuating between 85.5°F (29.7°C) and 63.3°F (17.4°C). The average high-temperature during July is a still warm 85.5°F (29.7°C), almost matching the conditions of the preceding month. Weather in July »Weather in August
August, the last month of the summer in San Gabriel, is a tropical month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 87.1°F (30.6°C). August is the month when San Gabriel, California, experiences its warmest temperatures, averaging a high of 87.1°F (30.6°C) and a low of 64.8°F (18.2°C). For August, the heat index is computed to be a hot 89.6°F (32°C). Weather in August »Weather in September
September, the first month of the autumn in San Gabriel, is still a warm month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 63.5°F (17.5°C). With the transition into September, San Gabriel notes an average high-temperature of a moderately hot 84.7°F (29.3°C), closely resembling August. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in San Gabriel, California, with an average temperature ranging between min 59.4°F (15.2°C) and max 78.1°F (25.6°C). October witnesses a gentle descent in average high-temperature, descending from September's warm 84.7°F (29.3°C) to a still moderately hot 78.1°F (25.6°C). Weather in October »Weather in November
November, the last month of the autumn in San Gabriel, is also an agreeable month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 53.1°F (11.7°C). The onset of November aligns with a soft reduction in the average high-temperature, gently falling from a warm 78.1°F (25.6°C) in October to an agreeable 70.9°F (21.6°C). Weather in November »Weather in December
December, the first month of the winter in San Gabriel, is also an enjoyable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.5°F (8.6°C). With its high average temperature of 63.1°F (17.3°C) and a low of 47.5°F (8.6°C), December is regarded as the coldest month. Weather in December »Updated: Feb 9, 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
In San Gabriel, California, during the entire year, the rain falls for 45 days and collects up to 6.61" (168mm) of precipitation.
The months with the least sunshine in San Gabriel, California, are January, February and December, with an average of 6.9h of sunshine.
The months with the lowest UV index in San Gabriel, California, are January, February, November and December, with an average maximum UV index of 4.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in San Gabriel, California, 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.
The most humid month in San Gabriel, California, is June, with an average relative humidity of 59%.
The month with the least rainfall is June, when the rain falls for 1.2 days and typically collects 0.04" (1mm) of precipitation.
The month with the longest days is June, with an average of 14h and 24min of daylight.
The months with the highest UV index are June through September, with an average maximum UV index of 6.
July has the most sunshine of the year in San Gabriel, with an average of 12.1h of sunshine.
August is the warmest month, with the temperature often reaching an average high of 87.1°F (30.6°C) and an average low of 64.8°F (18.2°C).
The least humid month is November, with an average relative humidity of 47%.
December, on average, is the coldest month, registering a high temperature of 63.1°F (17.3°C) and a low of 47.5°F (8.6°C).
The month with the most rainfall in San Gabriel, California, is December, when the rain falls for 4.9 days and typically aggregates up to 1.34" (34mm) of precipitation.
With an average of 9h and 54min of daylight, December has the shortest days of the year in San Gabriel, California.
Average temperature
San Gabriel, CA
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).
Average pressure
San Gabriel, 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:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"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:
30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
San Gabriel, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
San Gabriel, CA
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall
San Gabriel, CA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.3" - Average rainfall in March:
0.83" - Average rainfall in April:
0.51" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.12" - Average rainfall in September:
0.16" - Average rainfall in October:
0.2" - Average rainfall in November:
0.63" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
San Gabriel, CA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
4.6 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2.3 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).
Average daylight / Average sunshine
San Gabriel, 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 54min - Average sunshine in February:
6h and 54min - Average sunshine in March:
9h and 0min - Average sunshine in April:
11h and 18min - Average sunshine in May:
11h and 42min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 42min - Average sunshine in October:
8h and 36min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days
San Gabriel, CA
- Average sunshine days in January:
25.3 days - Average sunshine days in February:
22.3 days - Average sunshine days in March:
24.9 days - Average sunshine days in April:
24.8 days - Average sunshine days in May:
25.3 days - Average sunshine days in June:
27.1 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
25 days - Average sunshine days in October:
26.7 days - Average sunshine days in November:
25.6 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (22.3 days).
Average UV index
San Gabriel, 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
San Gabriel, CA
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
San Gabriel, 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).
