San Luis Rey
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
San Luis Rey, CA

January, like December, in San Luis Rey, California, is another comfortable winter month, with average temperature ranging between min 50.7°F (10.4°C) and max 64°F (17.8°C). In January, the average high-temperature is practically the same as in December - a still comfortable 64°F (17.8°C). Weather in January »

February, the last month of the winter, in San Luis Rey, is another comfortable month, with average temperature ranging between min 49.6°F (9.8°C) and max 63.1°F (17.3°C). In San Luis Rey, the average high-temperature is practically the same as in January - a still enjoyable 63.1°F (17.3°C). Weather in February »

The first month of the spring, March, is still a comfortable month in San Luis Rey, California, with average temperature varying between 64.6°F (18.1°C) and 51.3°F (10.7°C). In March, the average high-temperature is almost the same as in February - a still comfortable 64.6°F (18.1°C). Weather in March »

April, like March, in San Luis Rey, California, is another comfortable spring month, with average temperature fluctuating between 52.7°F (11.5°C) and 66.7°F (19.3°C). In San Luis Rey, California, the average high-temperature is practically the same as in March - a still comfortable 66.7°F (19.3°C). Weather in April »

The last month of the spring, May, is a pleasant month in San Luis Rey, California, with average temperature ranging between max 68.2°F (20.1°C) and min 55°F (12.8°C). In May, the average high-temperature is relatively the same as in April - a pleasant 68.2°F (20.1°C). Weather in May »

The first month of the summer, June, is still a pleasant month in San Luis Rey, California, with average temperature fluctuating between 72.1°F (22.3°C) and 57.7°F (14.3°C). In June, the average high-temperature is essentially the same as in May - a still agreeable 72.1°F (22.3°C). Weather in June »

July is a moderately hot summer month in San Luis Rey, California, with average temperature ranging between min 63.1°F (17.3°C) and max 76.3°F (24.6°C). In July, the average high-temperature is essentially the same as in June - a moderately hot 76.3°F (24.6°C). Weather in July »

August, the last month of the summer, in San Luis Rey, is another warm month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 78.6°F (25.9°C). The warmest month is August, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 64.2°F (17.9°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in San Luis Rey, California, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 63.5°F (17.5°C). In San Luis Rey, the average high-temperature is almost the same as in August - a still moderately hot 77.9°F (25.5°C). Weather in September »

October, like September, in San Luis Rey, California, is another warm autumn month, with temperature in the range of an average low of 60.3°F (15.7°C) and an average high of 73.4°F (23°C). In October, the average high-temperature is essentially the same as in September - a still moderately hot 73.4°F (23°C). Weather in October »

The last month of the autumn, November, is also an agreeable month in San Luis Rey, California, with average temperature ranging between min 55.4°F (13°C) and max 68.5°F (20.3°C). In San Luis Rey, the average high-temperature in November is relatively the same as in October - an agreeable 68.5°F (20.3°C). Weather in November »

The first month of the winter, December, is also an enjoyable month in San Luis Rey, California, with average temperature varying between 62.4°F (16.9°C) and 50.4°F (10.2°C). December is the coldest month, with an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 50.4°F (10.2°C). Weather in December »

How much does it rain in San Luis Rey?

In San Luis Rey, California, during the entire year, the rain falls for 68.2 days and collects up to 9.49" (241mm) of precipitation.

When is the lowest UV index in San Luis Rey?

Months with the lowest UV index in San Luis Rey, California, are January through March, November and December, with an average maximum UV index of 4.

What is the most humid month in San Luis Rey?

June is the most humid month in San Luis Rey, California, with an average relative humidity of 73%.

What is the driest month in San Luis Rey?

June is the month with the least rainfall in San Luis Rey, California. Rain falls for 2.7 days and accumulates 0.12" (3mm) of precipitation.

When are the longest days in San Luis Rey?

June has the longest days of the year in San Luis Rey, with an average of 14.3h of daylight.

What are the months with the most sunshine in San Luis Rey?

Months with the most sunshine in San Luis Rey, California, are July and August, with an average of 12h of sunshine.

What are the months with the highest UV index in San Luis Rey?

Months with the highest UV index in San Luis Rey are July through September, with an average maximum UV index of 6.

What is the warmest month in San Luis Rey?

With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 64.2°F (17.9°C), August is the warmest month in San Luis Rey.

What is the least humid month in San Luis Rey?

November is the least humid month in San Luis Rey, with an average relative humidity of 60%.

What is the coldest month in San Luis Rey?

With an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 50.4°F (10.2°C), December is the coldest month in San Luis Rey, California.

What is the rainiest month in San Luis Rey?

The month with the most rainfall is December when the rain falls for 6.8 days and typically aggregates up to 1.97" (50mm) of precipitation.

What is the month with the shortest days in San Luis Rey?

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

What is the month with the least sunshine in San Luis Rey?

With an average of 6.6h of sunshine, December has the least sunshine of the year.
Average temperature - San Luis Rey, CA
Average rainfall - San Luis Rey, CA

The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days - San Luis Rey, CA
Average daylight / Average sunshine - San Luis Rey, CA

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

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

Average UV index - San Luis Rey, CA

Months with the highest UV index are July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).