Monthly weather forecast and climate
South San Gabriel, CA

Weather in January

January, the same as December, is another comfortable winter month in South San Gabriel, California, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 48.6°F (9.2°C). In South San Gabriel, the average high-temperature in January is essentially the same as in December - a still comfortable 65.7°F (18.7°C). Weather in January »

Weather in February

February, the last month of the winter, in South San Gabriel, is another comfortable month, with average temperature fluctuating between 47.7°F (8.7°C) and 65.3°F (18.5°C). In February, the average high-temperature is essentially the same as in January - a still enjoyable 65.3°F (18.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in South San Gabriel, California, with average temperature ranging between min 48.9°F (9.4°C) and max 68.7°F (20.4°C). In March, the average high-temperature is practically the same as in February - a pleasant 68.7°F (20.4°C). Weather in March »

Weather in April

April, the same as March, in South San Gabriel, California, is another pleasant spring month, with average temperature fluctuating between 51.8°F (11°C) and 72.3°F (22.4°C). In South San Gabriel, the average high-temperature in April is almost the same as in March - a still pleasant 72.3°F (22.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in South San Gabriel, California, with average temperature fluctuating between 54.7°F (12.6°C) and 75°F (23.9°C). In South San Gabriel, California, the average high-temperature is relatively the same as in April - a moderately hot 75°F (23.9°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in South San Gabriel, California, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 57.9°F (14.4°C). In South San Gabriel, the average high-temperature slightly increases, from a warm 75°F (23.9°C) in May, to a still moderately hot 80.4°F (26.9°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in South San Gabriel, California, with average temperature varying between 85.6°F (29.8°C) and 63.3°F (17.4°C). In South San Gabriel, the average high-temperature in July is essentially the same as in June - a still moderately hot 85.6°F (29.8°C). Weather in July »

Weather in August

The last month of the summer, August, is a hot month in South San Gabriel, California, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 87.4°F (30.8°C). The warmest month is August, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 64.9°F (18.3°C). In August, the average heat index is calculated to a tropical 90.5°F (32.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in South San Gabriel, California, with average temperature ranging between min 63.5°F (17.5°C) and max 85.5°F (29.7°C). In September, the average high-temperature is almost the same as in August - a moderately hot 85.5°F (29.7°C). Weather in September »

Weather in October

October, like September, in South San Gabriel, California, is a moderately hot autumn month, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 79°F (26.1°C). In October, the average high-temperature slightly decreases, from 85.5°F (29.7°C) in September, to a still moderately hot 79°F (26.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in South San Gabriel, California, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 54°F (12.2°C). In November, the average high-temperature marginally drops, from a warm 79°F (26.1°C) in October, to an agreeable 71.4°F (21.9°C). Weather in November »

Weather in December

December, the first month of the winter, in South San Gabriel, is also an enjoyable month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 47.5°F (8.6°C). December is the coldest month, with an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 47.5°F (8.6°C). Weather in December »
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FAQ

How much does it rain in South San Gabriel?

In South San Gabriel, California, during the entire year, the rain falls for 43 days and collects up to 6.06" (154mm) of precipitation.

What is the month with the least sunshine in South San Gabriel?

January, February and December, with an average of 6.9h of sunshine, are months with the least sunshine.

What are the months with the lowest UV index in South San Gabriel?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4.

What is the rainiest month in South San Gabriel?

February is the month with the most rainfall in South San Gabriel. Rain falls for 5.2 days and accumulates 1.3" (33mm) of precipitation.

What is the most humid month in South San Gabriel?

With an average relative humidity of 59%, June is the most humid month in South San Gabriel.

What is the driest month in South San Gabriel?

June is the month with the least rainfall in South San Gabriel, California. Rain falls for 1.2 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in South San Gabriel?

June has the longest days of the year, with an average of 14.4h of daylight.

What is the month with the highest UV index in South San Gabriel?

June through September, with an average maximum UV index of 6, are months with the highest UV index in South San Gabriel.

What month has the most sunshine in South San Gabriel?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the warmest month in South San Gabriel?

With an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 64.9°F (18.3°C), August is the warmest month.

What is the least humid month in South San Gabriel?

November is the least humid month in South San Gabriel, with an average relative humidity of 47%.

What is the coldest month in South San Gabriel?

December is the coldest month, with an average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 47.5°F (8.6°C).

What is the month with the shortest days in South San Gabriel?

With an average of 9.9h of daylight, December has the shortest days of the year in South San Gabriel, California.

Average temperature
South San Gabriel, CA

Average temperature - South San Gabriel, CA

The warmest month (with the highest average high temperature) is August (87.4°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 December (47.5°F).

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Average pressure
South San Gabriel, CA

Average pressure - South San Gabriel, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed
South San Gabriel, CA

Average wind speed - South San Gabriel, CA

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).

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Average humidity
South San Gabriel, CA

Average humidity - South San Gabriel, CA

The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).

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Average rainfall
South San Gabriel, CA

Average rainfall - South San Gabriel, CA

The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
South San Gabriel, CA

Average rainfall days - South San Gabriel, CA

The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (1.2 days).

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Average daylight / Average sunshine
South San Gabriel, CA

Average daylight / Average sunshine - South San Gabriel, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.9).

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Average sunshine days
South San Gabriel, CA

Average sunshine days - South San Gabriel, CA

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is February (22.2 days).

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Average UV index
South San Gabriel, CA

Average UV index - South San Gabriel, CA

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average visibility
South San Gabriel, CA

Average visibility - South San Gabriel, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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