Rancho San Diego
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rancho San Diego, CA

January, like December, in Rancho San Diego, California, is another enjoyable winter month, with average temperature varying between 48.4°F (9.1°C) and 65.8°F (18.8°C). In January, the average high-temperature is relatively the same as in December - a still comfortable 65.8°F (18.8°C). Weather in January »

February, the last month of the winter, in Rancho San Diego, is another comfortable month, with average temperature varying between 64.9°F (18.3°C) and 48°F (8.9°C). In Rancho San Diego, the average high-temperature in February is relatively the same as in January - a still comfortable 64.9°F (18.3°C). Weather in February »

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

April is a pleasant spring month in Rancho San Diego, California, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 50.7°F (10.4°C). In April, the average high-temperature is relatively the same as in March - a pleasant 70°F (21.1°C). Weather in April »

The last month of the spring, May, is another pleasant month in Rancho San Diego, California, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 54°F (12.2°C). In Rancho San Diego, the average high-temperature in May is almost the same as in April - a still agreeable 71.6°F (22°C). Weather in May »

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

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

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

The first month of the autumn, September, is also a moderately hot month in Rancho San Diego, California, with average temperature fluctuating between 82.6°F (28.1°C) and 63.9°F (17.7°C). In Rancho San Diego, the average high-temperature is essentially the same as in August - a still warm 82.6°F (28.1°C). Weather in September »

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

The last month of the autumn, November, is also an agreeable month in Rancho San Diego, California, with average temperature fluctuating between 71.1°F (21.7°C) and 53.2°F (11.8°C). In Rancho San Diego, California, 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 »

December, the first month of the winter, in Rancho San Diego, is also an enjoyable month, with average temperature varying between 47.8°F (8.8°C) and 63.7°F (17.6°C). 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. Weather in December »

How much does it rain in Rancho San Diego?

Throughout the year, there are 56.1 rainfall days, and 8.27" (210mm) of precipitation is accumulated.

When is the lowest UV index in Rancho San Diego?

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

What is the wettest month in Rancho San Diego?

The month with the most rainfall in Rancho San Diego is February when the rain falls for 5.9 days and typically aggregates up to 1.81" (46mm) of precipitation.

What is the most humid month in Rancho San Diego?

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

What is the driest month in Rancho San Diego?

June is the month with the least rainfall. Rain falls for 1.4 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in Rancho San Diego?

The month with the longest days in Rancho San Diego, California, is June, with an average of 14.3h of daylight.

When is the highest UV index in Rancho San Diego?

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

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?

August is the warmest month, 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?

With an average relative humidity of 53%, November is the least humid month.

What is the coldest month in Rancho San Diego?

The coldest month in Rancho San Diego, California, 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).

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

The month with the shortest days in Rancho San Diego, California, is December, with an average of 10h of daylight.

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 in Rancho San Diego.
Average temperature - Rancho San Diego, CA
Average humidity - Rancho San Diego, CA
Average rainfall - Rancho San Diego, CA
Average rainfall days - Rancho San Diego, CA
Average daylight / Average sunshine - Rancho San Diego, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

Average UV index - Rancho San Diego, 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).