Monthly weather forecast and climate
Granite Hills, CA

Weather in January

January, like December, in Granite Hills, California, is another comfortable winter month, with average temperature fluctuating between 65.8°F (18.8°C) and 48.4°F (9.1°C). In January, the average high-temperature is relatively the same as in December - a still enjoyable 65.8°F (18.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Granite Hills, is another comfortable month, with average temperature ranging between min 48°F (8.9°C) and max 64.9°F (18.3°C). In Granite Hills, the average high-temperature is practically the same as in January - a still enjoyable 64.9°F (18.3°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Granite Hills, California, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 67.3°F (19.6°C). In March, the average high-temperature is essentially the same as in February - a still enjoyable 67.3°F (19.6°C). Weather in March »

Weather in April

April is an agreeable spring month in Granite Hills, California, with average temperature varying between 70°F (21.1°C) and 50.7°F (10.4°C). In Granite Hills, the average high-temperature is essentially the same as in March - a pleasant 70°F (21.1°C). Weather in April »

Weather in May

May, the last month of the spring, in Granite Hills, is also an agreeable month, with average temperature ranging between min 54°F (12.2°C) and max 71.6°F (22°C). In Granite Hills, the average high-temperature is almost the same as in April - a still pleasant 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Granite Hills, California, with average temperature varying between 77°F (25°C) and 57.9°F (14.4°C). In June, the average high-temperature marginally rises, from an agreeable 71.6°F (22°C) in May, to a moderately hot 77°F (25°C). Weather in June »

Weather in July

July, like June, in Granite Hills, California, is another warm summer month, with average temperature varying between 63.9°F (17.7°C) and 81.7°F (27.6°C). In Granite Hills, the average high-temperature in July is essentially the same as in June - a still moderately hot 81.7°F (27.6°C). Weather in July »

Weather in August

August, the last month of the summer, in Granite Hills, is also a moderately hot month, with average temperature fluctuating between 65.8°F (18.8°C) and 83.8°F (28.8°C). August is the warmest month, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C). In August, the average heat index is appraised at a tropical 87.3°F (30.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Granite Hills, California, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 82.6°F (28.1°C). In September, the average high-temperature is almost the same as in August - a still warm 82.6°F (28.1°C). Weather in September »

Weather in October

October, like September, in Granite Hills, California, is another warm autumn month, with average temperature varying between 77.2°F (25.1°C) and 59°F (15°C). In October, the average high-temperature slightly decreases, from 82.6°F (28.1°C) in September, to a still moderately hot 77.2°F (25.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Granite Hills, California, with average temperature ranging between max 71.1°F (21.7°C) and min 53.2°F (11.8°C). In November, the average high-temperature slightly decreases, from a warm 77.2°F (25.1°C) in October, to a pleasant 71.1°F (21.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Granite Hills, California, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 47.8°F (8.8°C). The coldest month is December, with an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 47.8°F (8.8°C). Weather in December »
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FAQ

How many days does it rain in Granite Hills?

In Granite Hills, during the entire year, the rain falls for 56.1 days and collects up to 8.27" (210mm) of precipitation.

What are the months with the lowest UV index in Granite Hills?

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

What is the wettest month in Granite Hills?

The month with the most rainfall is February when the rain falls for 5.9 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the most humid month in Granite Hills?

With an average relative humidity of 66%, May is the most humid month.

What is the driest month in Granite Hills?

The month with the least rainfall is June when the rain falls for 1.4 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Granite Hills?

The month with the longest days is June, with an average of 14.3h of daylight.

What are the months with the highest UV index in Granite Hills?

Months with the highest UV index are June through September, with an average maximum UV index of 6.

What month has the most sunshine in Granite Hills?

July has the most sunshine of the year in Granite Hills, California, with an average of 12.1h of sunshine.

What is the warmest month in Granite Hills?

With an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C), August is the warmest month.

What is the least humid month in Granite Hills?

The least humid month in Granite Hills, California, is November, with an average relative humidity of 53%.

What is the coldest month in Granite Hills?

With an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 47.8°F (8.8°C), December is the coldest month in Granite Hills.

What is the month with the shortest days in Granite Hills?

The month with the shortest days in Granite Hills is December, with an average of 10h of daylight.

What is the month with the least sunshine in Granite Hills?

December has the least sunshine of the year in Granite Hills, with an average of 6.7h of sunshine.

Average temperature
Granite Hills, CA

Average temperature - Granite Hills, CA

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).

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Average pressure
Granite Hills, CA

Average pressure - Granite Hills, CA

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.87").

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Average wind speed
Granite Hills, CA

Average wind speed - Granite Hills, CA

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

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Average rainfall
Granite Hills, CA

Average rainfall - Granite Hills, CA

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Granite Hills, CA

Average rainfall days - Granite Hills, CA

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).

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Average daylight / Average sunshine
Granite Hills, CA

Average daylight / Average sunshine - Granite Hills, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days
Granite Hills, CA

Average sunshine days - Granite Hills, CA

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).

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Average UV index
Granite Hills, CA

Average UV index - Granite Hills, 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
Granite Hills, CA

Average visibility - Granite Hills, 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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