Monthly weather forecast and climate
Santa Ana, CA

Night lights of the street in Santa Ana, California, with palm trees lining the street
Night lights of the street in Santa Ana, California, with palm trees lining the street

Weather in January

January, like December, in Santa Ana, California, is another enjoyable winter month, with average temperature varying between 65.8°F (18.8°C) and 51.3°F (10.7°C). In January, the average high-temperature is practically the same as in December - a still comfortable 65.8°F (18.8°C). Weather in January »

Weather in February

February, the last month of the winter, in Santa Ana, is also an enjoyable month, with average temperature fluctuating between 50.2°F (10.1°C) and 65.1°F (18.4°C). In Santa Ana, the average high-temperature is almost the same as in January - a still enjoyable 65.1°F (18.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Santa Ana, is still a comfortable month, with average temperature varying between 51.4°F (10.8°C) and 67.5°F (19.7°C). In March, the average high-temperature is almost the same as in February - a still enjoyable 67.5°F (19.7°C). Weather in March »

Weather in April

April is a pleasant spring month in Santa Ana, California, with average temperature varying between 70.3°F (21.3°C) and 53.2°F (11.8°C). In April, the average high-temperature is relatively the same as in March - an agreeable 70.3°F (21.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Santa Ana, is also an agreeable month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 72°F (22.2°C). In Santa Ana, the average high-temperature is essentially the same as in April - a still agreeable 72°F (22.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Santa Ana, California, with average temperature ranging between max 76.1°F (24.5°C) and min 58.5°F (14.7°C). In Santa Ana, California, the average high-temperature is relatively the same as in May - a moderately hot 76.1°F (24.5°C). Weather in June »

Weather in July

July, like June, in Santa Ana, California, is a moderately hot summer month, with average temperature fluctuating between 63.3°F (17.4°C) and 81.1°F (27.3°C). In July, the average high-temperature is practically the same as in June - a still moderately hot 81.1°F (27.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Santa Ana, is also a moderately hot month, with average temperature fluctuating between 83.1°F (28.4°C) and 64.9°F (18.3°C). The warmest month is August, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 64.9°F (18.3°C). In August, the average heat index is appraised at a hot 86.2°F (30.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in Santa Ana, is still a warm month, with average temperature fluctuating between 64.2°F (17.9°C) and 81.7°F (27.6°C). In September, the average high-temperature is essentially the same as in August - a still warm 81.7°F (27.6°C). Weather in September »

Weather in October

October, like September, in Santa Ana, California, is a moderately hot autumn month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 61°F (16.1°C). In Santa Ana, the average high-temperature is practically the same as in September - a still moderately hot 76.6°F (24.8°C). Weather in October »

Weather in November

November, the last month of the autumn, in Santa Ana, is also an agreeable month, with average temperature fluctuating between 70.7°F (21.5°C) and 55.8°F (13.2°C). In Santa Ana, the average high-temperature in November marginally drops, from a warm 76.6°F (24.8°C) in October, to an agreeable 70.7°F (21.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Santa Ana, California, with average temperature ranging between min 50.7°F (10.4°C) and max 63.7°F (17.6°C). The coldest month is December, with an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 50.7°F (10.4°C). Weather in December »
[Resources]

FAQ

How much does it rain in Santa Ana?

In Santa Ana, California, during the entire year, the rain falls for 55 days and collects up to 7.4" (188mm) of precipitation.

When is the lowest UV index in Santa Ana?

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

What is the most humid month in Santa Ana?

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

What is the driest month in Santa Ana?

June is the month with the least rainfall in Santa Ana. Rain falls for 1.7 days and accumulates 0.08" (2mm) of precipitation.

When are the longest days in Santa Ana?

With an average of 14.4h of daylight, June has the longest days of the year in Santa Ana.

What is the month with the highest UV index in Santa Ana?

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

What are the months with the most sunshine in Santa Ana?

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

What is the warmest month in Santa Ana?

With an average high-temperature of 83.1°F (28.4°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 Santa Ana?

The least humid month in Santa Ana is November, with an average relative humidity of 52%.

What is the coldest month in Santa Ana?

The coldest month in Santa Ana is December, with an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 50.7°F (10.4°C).

What is the rainiest month in Santa Ana?

December is the month with the most rainfall. Rain falls for 6.3 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days in Santa Ana?

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

What is the month with the least sunshine in Santa Ana?

The month with the least sunshine in Santa Ana, California, is December, with an average of 6.7h of sunshine.

Average temperature
Santa Ana, CA

Average temperature - Santa Ana, CA

The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (63.7°F).

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

[Resources]

Average pressure
Santa Ana, CA

Average pressure - Santa Ana, CA

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

[Resources]

Average wind speed
Santa Ana, CA

Average wind speed - Santa Ana, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).

[Resources]

Average rainfall
Santa Ana, CA

Average rainfall - Santa Ana, CA

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").

[Resources]

Average rainfall days
Santa Ana, CA

Average rainfall days - Santa Ana, CA

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.7 days).

[Resources]

Average daylight / Average sunshine
Santa Ana, CA

Average daylight / Average sunshine - Santa Ana, 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: 6.7h).

[Resources]

Average sunshine days
Santa Ana, CA

Average sunshine days - Santa Ana, CA

The month with the most sunshine days is January (25 days).
The month with the least sunshine days is February (20.8 days).

[Resources]

Average UV index
Santa Ana, CA

Average UV index - Santa Ana, 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).

[Resources]

Average visibility
Santa Ana, CA

Average visibility - Santa Ana, 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).

[Resources]