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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another enjoyable winter month in San Luis Rey, California, with an average temperature fluctuating between 50.7°F (10.4°C) and 64°F (17.8°C). The commencement of January brings an average high-temperature of a still refreshing 64°F (17.8°C), marking an inconsequential divergence from December. Weather in January »
Weather in February
February, the last month of the winter in San Luis Rey, is another comfortable month, with an average temperature ranging between min 49.6°F (9.8°C) and max 63.1°F (17.3°C). San Luis Rey starts February with an average high-temperature of a still refreshing 63.1°F (17.3°C), hinting at a minimal fluctuation from January. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in San Luis Rey, California, with an average temperature varying between 51.3°F (10.7°C) and 64.6°F (18.1°C). The start of March marks an average high-temperature of a still comfortable 64.6°F (18.1°C), hardly distinguishable from the conditions in February. Weather in March »
Weather in April
April, the same as March, is another enjoyable spring month in San Luis Rey, California, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 52.7°F (11.5°C). San Luis Rey's shift into April is marked by a subtle change to a still enjoyable 66.7°F (19.3°C) from March's 64.6°F (18.1°C) in temperature. Weather in April »
Weather in May
May, the last month of the spring in San Luis Rey, is an agreeable month, with an average temperature ranging between min 55°F (12.8°C) and max 68.2°F (20.1°C). The arrival of May is marked by an average high-temperature of an agreeable 68.2°F (20.1°C), bearing a close resemblance to April. Weather in May »
Weather in June
The first month of the summer, June, is also an agreeable month in San Luis Rey, California, with an average temperature ranging between max 72.1°F (22.3°C) and min 57.7°F (14.3°C). The arrival of June sees an average high-temperature of a still agreeable 72.1°F (22.3°C), hardly diverging from May's 68.2°F (20.1°C). Weather in June »
Weather in July
July in San Luis Rey, California, is a warm summer month, with an average temperature fluctuating between 63.1°F (17.3°C) and 76.3°F (24.6°C). July's weather records an average high-temperature of a warm 76.3°F (24.6°C), showing little deviation from June. Weather in July »
Weather in August
August, the last month of the summer in San Luis Rey, is another warm month, with an average temperature fluctuating between 64.2°F (17.9°C) and 78.6°F (25.9°C). In San Luis Rey, the average temperatures in August are the highest, with a peak at 78.6°F (25.9°C) and a low of 64.2°F (17.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in San Luis Rey, California, with an average temperature ranging between min 63.5°F (17.5°C) and max 77.9°F (25.5°C). San Luis Rey records an average high-temperature of a still moderately hot 77.9°F (25.5°C) as September arrives, nearly mirroring the previous month's climate. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in San Luis Rey, California, with an average temperature varying between 60.3°F (15.7°C) and 73.4°F (23°C). San Luis Rey experiences an average high-temperature of a still warm 73.4°F (23°C) with the onset of October, subtly varied from September's 77.9°F (25.5°C). Weather in October »
Weather in November
November, the last month of the autumn in San Luis Rey, is also an agreeable month, with an average temperature varying between 68.5°F (20.3°C) and 55.4°F (13°C). San Luis Rey, California, records an average high-temperature of an agreeable 68.5°F (20.3°C) in November, closely mirroring the climate of the previous month. Weather in November »
Weather in December
December, the first month of the winter in San Luis Rey, is still a comfortable month, with an average temperature fluctuating between 50.4°F (10.2°C) and 62.4°F (16.9°C). The lowest temperatures are recorded in December, with averages reaching a high of 62.4°F (16.9°C) and a low of 50.4°F (10.2°C). Weather in December »
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How many days does it rain?
Throughout the year, there are 68.2 rainfall days, and 9.49" (241mm) of precipitation is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in San Luis Rey?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the most humid month?
With an average relative humidity of 73%, June is the most humid month.
What is the driest month?
June is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.12" (3mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 18min of daylight.
What is the month with the most sunshine?
The months with the most sunshine in San Luis Rey are July and August, with an average of 12h of sunshine.
What is the month with the highest UV index?
July through September, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
August is the month that records the highest temperatures, with averages ranging from a high of 78.6°F (25.9°C) to a low of 64.2°F (17.9°C).
What is the least humid month?
With an average relative humidity of 60%, November is the least humid month.
What is the coldest month?
December, noted for its average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 50.4°F (10.2°C), is considered the coldest month.
What is the wettest month?
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?
The month with the shortest days is December, with an average of 10h and 0min of daylight.
What is the month with the least sunshine in San Luis Rey?
December has the least sunshine of the year, with an average of 6.6h of sunshine.
Average temperature
San Luis Rey, CA
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (62.4°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 (49.6°F).
Average pressure
San Luis Rey, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed
San Luis Rey, CA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.6mph - Average wind speed in April:
6mph - Average wind speed in May:
6mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.1mph - Average wind speed in December:
5.2mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity
San Luis Rey, CA
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (60%).
Average rainfall
San Luis Rey, CA
- Average rainfall in January:
1.26" - Average rainfall in February:
1.54" - Average rainfall in March:
0.94" - Average rainfall in April:
0.71" - Average rainfall in May:
0.35" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.35" - Average rainfall in September:
0.31" - Average rainfall in October:
0.43" - Average rainfall in November:
0.94" - Average rainfall in December:
1.97"
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 rainfall days in January:
6 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
8 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
6.5 days - Average rainfall days in June:
2.7 days
- Average rainfall days in July:
5.6 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
4.9 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
5.3 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is March (8 days).
The month with the least rainy days is June (2.7 days).
Average daylight / Average sunshine
San Luis Rey, CA
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 3min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 3min - Average sunshine in October:
8h and 5min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
San Luis Rey, CA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
20 days - Average sunshine days in March:
21.2 days - Average sunshine days in April:
21.1 days - Average sunshine days in May:
21.1 days - Average sunshine days in June:
21.8 days
- Average sunshine days in July:
21.3 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
22.4 days - Average sunshine days in October:
24.2 days - Average sunshine days in November:
22.8 days - Average sunshine days in December:
22.3 days
The month with the most sunshine days is October (24.2 days).
The month with the least sunshine days is February (20 days).
Average UV index
San Luis Rey, CA
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
San Luis Rey, CA
The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility
San Luis Rey, 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).
San Luis Rey, California, USA
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