Climate and monthly weather forecast
Rancho San Diego, CA

Weather in January

January, the same as December, is another comfortable winter month in Rancho San Diego, California, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 65.8°F (18.8°C). In Rancho San Diego, the average high-temperature in January 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 Rancho San Diego, is also an enjoyable month, with an average temperature varying between 48°F (8.9°C) and 64.9°F (18.3°C). In February, the average high-temperature is essentially the same as in January - a still comfortable 64.9°F (18.3°C). Weather in February »

Weather in March

The first month of the spring, March, is still a comfortable month in Rancho San Diego, California, with an average temperature fluctuating between 48.9°F (9.4°C) and 67.3°F (19.6°C). In March, the average high-temperature is relatively the same as in February - a still comfortable 67.3°F (19.6°C). Weather in March »

Weather in April

April in Rancho San Diego, California, is an agreeable spring month, with an average temperature ranging between min 50.7°F (10.4°C) and max 70°F (21.1°C). In Rancho San Diego, the average high-temperature in April 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 Rancho San Diego, is also an agreeable month, with an average temperature varying between 71.6°F (22°C) and 54°F (12.2°C). In May, the average high-temperature is almost the same as in April - a still agreeable 71.6°F (22°C). Weather in May »

Weather in June

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

Weather in July

July, the same as June, is a moderately hot summer month in Rancho San Diego, California, with an average temperature ranging between max 81.7°F (27.6°C) and min 63.9°F (17.7°C). In July, the average high-temperature is practically the same as in June - a still warm 81.7°F (27.6°C). Weather in July »

Weather in August

August, the last month of the summer in Rancho San Diego, is another warm month, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 83.8°F (28.8°C). The warmest month is August, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index in August is computed to be a hot 87.3°F (30.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Rancho San Diego, is still a warm month, 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 Rancho San Diego, the average high-temperature in September is almost the same as in August - a still moderately hot 82.6°F (28.1°C). Weather in September »

Weather in October

October, like September, in Rancho San Diego, California, is a moderately hot autumn month, with temperature in the range of an average low of 59°F (15°C) and an average high of 77.2°F (25.1°C). In October, the average high-temperature marginally drops from 82.6°F (28.1°C) in September to a still warm 77.2°F (25.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Rancho San Diego, California, with an average temperature varying between 53.2°F (11.8°C) and 71.1°F (21.7°C). In November, the average high-temperature marginally drops from a moderately hot 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 Rancho San Diego, California, with an average temperature ranging between max 63.7°F (17.6°C) and min 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 »
[Resources]

FAQ

How many days does it rain in Rancho San Diego?

In Rancho San Diego, 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 Rancho San Diego?

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

What is the wettest month in Rancho San Diego?

February is the month with the most rainfall. Rain falls for 5.9 days and accumulates 1.81" (46mm) of precipitation.

When is Daylight Saving Time (DST) in Rancho San Diego?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Rancho San Diego, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

What is the most humid month in Rancho San Diego?

The most humid month in Rancho San Diego, California, is May, with an average relative humidity of 66%.

What is the driest month in Rancho San Diego?

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

When are the longest days in Rancho San Diego?

June has the longest days of the year in Rancho San Diego, California, with an average of 14h and 16min of daylight.

What is the month with the highest UV index in Rancho San Diego?

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

What month has the most sunshine in Rancho San Diego?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the warmest month in Rancho San Diego?

The warmest month in Rancho San Diego is August, with an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 65.8°F (18.8°C).

What is the least humid month in Rancho San Diego?

The least humid month in Rancho San Diego, California, is November, with an average relative humidity of 53%.

What is the coldest month in Rancho San Diego?

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 Rancho San Diego.

What is the month with the shortest days in Rancho San Diego?

With an average of 10h and 2min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Rancho San Diego?

With an average of 6.7h of sunshine, December has the least sunshine of the year.

Average temperature
Rancho San Diego, CA

Average temperature - Rancho San Diego, 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).

[Resources]

Average pressure
Rancho San Diego, CA

Average pressure - Rancho San Diego, CA

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

[Resources]

Average wind speed
Rancho San Diego, CA

Average wind speed - Rancho San Diego, 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).

[Resources]

Average humidity
Rancho San Diego, CA

Average humidity - Rancho San Diego, CA

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).

[Resources]

Average rainfall
Rancho San Diego, CA

Average rainfall - Rancho San Diego, CA

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

[Resources]

Average rainfall days
Rancho San Diego, CA

Average rainfall days - Rancho San Diego, 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).

[Resources]

Average daylight / Average sunshine
Rancho San Diego, CA

Average daylight / Average sunshine - Rancho San Diego, CA

The month with the longest days is June (Average daylight: 14h and 16min).
The month with the shortest days is December (Average daylight: 10h and 2min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

[Resources]

Average sunshine days
Rancho San Diego, CA

Average sunshine days - Rancho San Diego, 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).

[Resources]

Average UV index
Rancho San Diego, CA

Average UV index - Rancho San Diego, 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, November and December (UV index 4).

[Resources]

Average visibility
Rancho San Diego, CA

Average visibility - Rancho San Diego, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location