Climate and monthly weather forecast
Foothill Ranch, CA

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Weather in January

January, like December, in Foothill Ranch, California, is another refreshing winter month, with an average temperature ranging between min 50°F (10°C) and max 65.1°F (18.4°C). As December transitions into January, Foothill Ranch records an average high-temperature of a still enjoyable 65.1°F (18.4°C), showing a gentle shift from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Foothill Ranch, California, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 48.7°F (9.3°C). The shift into February finds Foothill Ranch at an average high-temperature of a still refreshing 64.2°F (17.9°C), closely comparable to January's conditions. Weather in February »

Weather in March

March, the first month of the spring in Foothill Ranch, is still a comfortable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.2°F (19°C). The arrival of March brings an average high-temperature of a still enjoyable 66.2°F (19°C), nearly identical to February's 64.2°F (17.9°C). Weather in March »

Weather in April

April is an agreeable spring month in Foothill Ranch, California, 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). The advent of April brings an average high-temperature of an agreeable 69.3°F (20.7°C), exhibiting minor difference from the previous month. Weather in April »

Weather in May

May, the last month of the spring in Foothill Ranch, is another pleasant month, with an average temperature fluctuating between 70.9°F (21.6°C) and 55.2°F (12.9°C). Entering May, Foothill Ranch's average high-temperature reads a still agreeable 70.9°F (21.6°C), indicating a close resemblance to the previous month's climate. Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Foothill Ranch, California, with an average temperature fluctuating between 57.7°F (14.3°C) and 75.4°F (24.1°C). The transition into June notes an average high-temperature of a warm 75.4°F (24.1°C), revealing a mild distinction from the 70.9°F (21.6°C) in May. Weather in June »

Weather in July

July, like June, in Foothill Ranch, California, is a moderately hot summer month, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 63°F (17.2°C). Foothill Ranch measures an average high-temperature of a still moderately hot 80.4°F (26.9°C) in July, nearly consistent with the preceding month. Weather in July »

Weather in August

August, the last month of the summer in Foothill Ranch, is also a moderately hot month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.4°F (18°C). In Foothill Ranch, the highest average temperatures are observed in August, with a high of 82°F (27.8°C) and a low of 64.4°F (18°C). August's mean heat index is evaluated at 84.2°F (29°C). Weather in August »

Weather in September

September, the first month of the autumn in Foothill Ranch, is also a moderately hot month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 63.7°F (17.6°C). Foothill Ranch notes an average high-temperature of a still moderately hot 81°F (27.2°C) in September, displaying minor variation from August. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Foothill Ranch, California, with an average temperature varying between 75.9°F (24.4°C) and 59.9°F (15.5°C). Foothill Ranch records an average high-temperature of a still moderately hot 75.9°F (24.4°C) in October, closely mirroring the climate of the previous month. Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Foothill Ranch, California, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 54.7°F (12.6°C). The onset of November aligns with a soft reduction in the average high-temperature, gently falling 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

December, the first month of the winter in Foothill Ranch, is also an enjoyable month, with an average temperature fluctuating between 63.1°F (17.3°C) and 49.5°F (9.7°C). The coldest period is December, when temperatures fluctuate between an average high of 63.1°F (17.3°C) and a low of 49.5°F (9.7°C). Weather in December »
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

In Foothill Ranch, 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?

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

When is Daylight Saving Time (DST)?

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?

May and June, with an average relative humidity of 69%, are most humid months.

What is the driest month?

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

When are the longest days?

With an average of 14h and 24min of daylight, June has the longest days of the year in Foothill Ranch.

What are the months with the highest UV index?

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

What are the months with the most sunshine?

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

What part of the year is the hottest?

With average high and low temperatures of 82°F (27.8°C) and 64.4°F (18°C) respectively, August is Foothill Ranch's warmest month.

What is the least humid month?

With an average relative humidity of 55%, November is the least humid month in Foothill Ranch.

What time of the year is the coldest?

With average high temperatures of 63.1°F (17.3°C) and lows of 49.5°F (9.7°C), December is the coldest month.

What is the wettest month?

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?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

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

With an average of 6.6h of sunshine, December has the least sunshine of the year in Foothill Ranch.

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).

Average pressure
Foothill Ranch, CA

Average pressure - Foothill Ranch, CA

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

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).

Average humidity
Foothill Ranch, CA

Average humidity - Foothill Ranch, CA

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

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").

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).

Average daylight / Average sunshine
Foothill Ranch, CA

Average daylight / Average sunshine - Foothill Ranch, CA

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).

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days
Foothill Ranch, CA

Average sunshine days - Foothill Ranch, CA

The 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).

Average UV index
Foothill Ranch, CA

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

Average visibility
Foothill Ranch, CA

Average visibility - Foothill Ranch, 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).

Foothill Ranch, California, USA

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