Monthly weather forecast and climate
Foothill Ranch, CA

Weather in January

January, the same as December, is another enjoyable winter month in Foothill Ranch, California, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 50°F (10°C). In Foothill Ranch, the average high-temperature is relatively the same as in December - a still enjoyable 65.1°F (18.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Foothill Ranch, is another comfortable month, with average temperature ranging between max 64.2°F (17.9°C) and min 48.7°F (9.3°C). In Foothill Ranch, the average high-temperature is relatively the same as in January - a still comfortable 64.2°F (17.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Foothill Ranch, is still a comfortable month, with average temperature fluctuating between 66.2°F (19°C) and 50.2°F (10.1°C). In March, the average high-temperature is practically the same as in February - a still enjoyable 66.2°F (19°C). Weather in March »

Weather in April

April in Foothill Ranch, California, is an agreeable spring month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 69.3°F (20.7°C). In April, the average high-temperature is essentially the same as in March - a pleasant 69.3°F (20.7°C). Weather in April »

Weather in May

The last month of the spring, May, is another pleasant month in Foothill Ranch, California, with average temperature fluctuating between 55.2°F (12.9°C) and 70.9°F (21.6°C). In Foothill Ranch, the average high-temperature in May is almost the same as in April - a still pleasant 70.9°F (21.6°C). Weather in May »

Weather in June

June, the first month of the summer, in Foothill Ranch, is a moderately hot month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 57.7°F (14.3°C). In June, the average high-temperature is relatively the same as in May - a moderately hot 75.4°F (24.1°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Foothill Ranch, California, with average temperature fluctuating between 63°F (17.2°C) and 80.4°F (26.9°C). In July, the average high-temperature is almost the same as in June - a still warm 80.4°F (26.9°C). Weather in July »

Weather in August

August, the last month of the summer, in Foothill Ranch, is also a moderately hot month, with average temperature fluctuating between 82°F (27.8°C) and 64.4°F (18°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.4°F (18°C), August is the warmest month. In August, the average heat index is estimated at 84.9°F (29.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Foothill Ranch, California, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 81°F (27.2°C). In Foothill Ranch, the average high-temperature in September is almost the same as in August - a still warm 81°F (27.2°C). Weather in September »

Weather in October

October, like September, in Foothill Ranch, California, is another warm autumn month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 59.9°F (15.5°C). In October, the average high-temperature is practically the same as in September - a still warm 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Foothill Ranch, California, with average temperature fluctuating between 70°F (21.1°C) and 54.7°F (12.6°C). In November, the average high-temperature slightly decreases, from a moderately hot 75.9°F (24.4°C) in October, to an agreeable 70°F (21.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Foothill Ranch, California, with average temperature varying between 63.1°F (17.3°C) and 49.5°F (9.7°C). The coldest month is December, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 49.5°F (9.7°C). Weather in December »
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FAQ

How many days does it rain in Foothill Ranch?

In Foothill Ranch, California, during the entire year, the rain falls for 65.4 days and collects up to 9.17" (233mm) of precipitation.

When is the lowest UV index in Foothill Ranch?

Months with the lowest UV index in Foothill Ranch, California, are January through March, November and December, with an average maximum UV index of 4.

What is the most humid month in Foothill Ranch?

Months with the highest humidity in Foothill Ranch, California, are May and June, with an average relative humidity of 69%.

What is the driest month in Foothill Ranch?

June is the month with the least rainfall in Foothill Ranch. Rain falls for 2 days and accumulates 0.08" (2mm) of precipitation.

When are the longest days in Foothill Ranch?

The month with the longest days is June, with an average of 14.4h of daylight.

When is the highest UV index in Foothill Ranch?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Foothill Ranch.

What are the months with the most sunshine in Foothill Ranch?

Months with the most sunshine are July and August, with an average of 12h of sunshine.

What is the warmest month in Foothill Ranch?

The warmest month is August, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64.4°F (18°C).

What is the least humid month in Foothill Ranch?

November is the least humid month, with an average relative humidity of 55%.

What is the coldest month in Foothill Ranch?

The coldest month in Foothill Ranch is December, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 49.5°F (9.7°C).

What is the wettest month in Foothill Ranch?

The month with the most rainfall is December when the rain falls for 6.7 days and typically aggregates up to 1.85" (47mm) of precipitation.

What is the month with the shortest days in Foothill Ranch?

The month with the shortest days in Foothill Ranch, California, is December, with an average of 9.9h of daylight.

What is the month with the least sunshine in Foothill Ranch?

December has the least sunshine of the year, with an average of 6.6h of sunshine.

Average temperature
Foothill Ranch, CA

Average temperature - Foothill Ranch, CA

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).

The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure
Foothill Ranch, CA

Average pressure - Foothill Ranch, CA

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

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Average wind speed
Foothill Ranch, CA

Average wind speed - Foothill Ranch, CA

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).

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Average humidity
Foothill Ranch, CA

Average humidity - Foothill Ranch, CA

Months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).

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Average rainfall
Foothill Ranch, CA

Average rainfall - Foothill Ranch, CA

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days
Foothill Ranch, CA

Average rainfall days - Foothill Ranch, CA

The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).

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Average daylight / Average sunshine
Foothill Ranch, CA

Average daylight / Average sunshine - Foothill Ranch, 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).

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days
Foothill Ranch, CA

Average sunshine days - Foothill Ranch, CA

Months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).

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Average UV index
Foothill Ranch, CA

Average UV index - Foothill Ranch, 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, March, November and December (UV index 4).

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Average visibility
Foothill Ranch, CA

Average visibility - Foothill Ranch, 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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