Monthly weather forecast and climate
Rancho Santa Margarita, CA

Weather in January

January, the same as December, is another comfortable winter month in Rancho Santa Margarita, California, with average temperature fluctuating between 65.5°F (18.6°C) and 49.6°F (9.8°C). In January, the average high-temperature is almost the same as in December - a still comfortable 65.5°F (18.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Rancho Santa Margarita, California, with average temperature fluctuating between 48.9°F (9.4°C) and 64°F (17.8°C). In February, the average high-temperature is practically the same as in January - a still comfortable 64°F (17.8°C). Weather in February »

Weather in March

March, the first month of the spring, in Rancho Santa Margarita, is also an enjoyable month, with average temperature ranging between max 66.2°F (19°C) and min 50.4°F (10.2°C). In March, the average high-temperature is essentially the same as in February - a still comfortable 66.2°F (19°C). Weather in March »

Weather in April

April in Rancho Santa Margarita, California, is an agreeable spring month, with average temperature fluctuating between 68.5°F (20.3°C) and 52.7°F (11.5°C). In Rancho Santa Margarita, the average high-temperature in April is essentially the same as in March - a pleasant 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Rancho Santa Margarita, is another pleasant month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 70.2°F (21.2°C). In May, the average high-temperature is practically the same as in April - a still pleasant 70.2°F (21.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Rancho Santa Margarita, California, with average temperature ranging between max 74.3°F (23.5°C) and min 57.6°F (14.2°C). In Rancho Santa Margarita, the average high-temperature in June is essentially the same as in May - a warm 74.3°F (23.5°C). Weather in June »

Weather in July

July, like June, in Rancho Santa Margarita, California, is a moderately hot summer month, with average temperature varying between 62.8°F (17.1°C) and 79.2°F (26.2°C). In Rancho Santa Margarita, California, the average high-temperature in July is practically the same as in June - a still warm 79.2°F (26.2°C). Weather in July »

Weather in August

August, the last month of the summer, in Rancho Santa Margarita, is also a moderately hot month, with average temperature ranging between max 81.1°F (27.3°C) and min 64.2°F (17.9°C). The warmest month is August, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.2°F (17.9°C). The average heat index is appraised at 83.8°F (28.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Rancho Santa Margarita, is also a moderately hot month, with average temperature ranging between min 63.5°F (17.5°C) and max 79.7°F (26.5°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Rancho Santa Margarita, California, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 75.2°F (24°C). In October, the average high-temperature is almost the same as in September - a still moderately hot 75.2°F (24°C). Weather in October »

Weather in November

November, the last month of the autumn, in Rancho Santa Margarita, is another pleasant month, with average temperature varying between 54.7°F (12.6°C) and 69.4°F (20.8°C). In Rancho Santa Margarita, the average high-temperature in November marginally drops, from a moderately hot 75.2°F (24°C) in October, to a pleasant 69.4°F (20.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Rancho Santa Margarita, California, with average temperature varying between 49.8°F (9.9°C) and 63°F (17.2°C). The coldest month is December, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 49.8°F (9.9°C). Weather in December »
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FAQ

How many days does it rain in Rancho Santa Margarita?

Throughout the year, in Rancho Santa Margarita, California, there are 64.2 rainfall days, and 5.79" (147mm) of precipitation is accumulated.

What is the month with the lowest UV index in Rancho Santa Margarita?

Months with the lowest UV index in Rancho Santa Margarita are January through March, November and December, with an average maximum UV index of 4.

What are the most humid months in Rancho Santa Margarita?

May and June, with an average relative humidity of 70%, are most humid months.

What is the driest month in Rancho Santa Margarita?

June is the month with the least rainfall. Rain falls for 1.9 days and accumulates 0.08" (2mm) of precipitation.

When are the longest days in Rancho Santa Margarita?

The month with the longest days in Rancho Santa Margarita, California, is June, with an average of 14.4h of daylight.

What is the month with the highest UV index in Rancho Santa Margarita?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Rancho Santa Margarita.

What is the warmest month in Rancho Santa Margarita?

With an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.2°F (17.9°C), August is the warmest month in Rancho Santa Margarita, California.

What month has the most sunshine in Rancho Santa Margarita?

August has the most sunshine of the year in Rancho Santa Margarita, California, with an average of 12h of sunshine.

What is the least humid month in Rancho Santa Margarita?

With an average relative humidity of 56%, November is the least humid month.

What is the coldest month in Rancho Santa Margarita?

With an average high-temperature of 63°F (17.2°C) and an average low-temperature of 49.8°F (9.9°C), December is the coldest month.

What is the wettest month in Rancho Santa Margarita?

December is the month with the most rainfall in Rancho Santa Margarita, California. Rain falls for 6.7 days and accumulates 1.02" (26mm) of precipitation.

What is the month with the shortest days in Rancho Santa Margarita?

December has the shortest days of the year, with an average of 10h of daylight.

What is the month with the least sunshine in Rancho Santa Margarita?

December has the least sunshine of the year in Rancho Santa Margarita, with an average of 6.6h of sunshine.

Average temperature
Rancho Santa Margarita, CA

Average temperature - Rancho Santa Margarita, CA

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

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Average pressure
Rancho Santa Margarita, CA

Average pressure - Rancho Santa Margarita, 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
Rancho Santa Margarita, CA

Average wind speed - Rancho Santa Margarita, CA

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity
Rancho Santa Margarita, CA

Average humidity - Rancho Santa Margarita, CA

Months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).

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Average rainfall
Rancho Santa Margarita, CA

Average rainfall - Rancho Santa Margarita, CA

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days
Rancho Santa Margarita, CA

Average rainfall days - Rancho Santa Margarita, CA

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).

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Average daylight / Average sunshine
Rancho Santa Margarita, CA

Average daylight / Average sunshine - Rancho Santa Margarita, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

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

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Average sunshine days
Rancho Santa Margarita, CA

Average sunshine days - Rancho Santa Margarita, CA

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).

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Average UV index
Rancho Santa Margarita, CA

Average UV index - Rancho Santa Margarita, 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
Rancho Santa Margarita, CA

Average visibility - Rancho Santa Margarita, 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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