Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
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. San Luis Rey observes an average low-temperature of 52.7°F (11.5°C) during April.Humidity
The average relative humidity in April is 69%.Rainfall
In San Luis Rey, in April, during 6.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In San Luis Rey, during the entire year, the rain falls for 68.2 days and collects up to 9.49" (241mm) of precipitation.Daylight
In San Luis Rey, the average length of the day in April is 13h and 2min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:10 pm. On the last day of April, sunrise is at 6:01 am and sunset at 7:31 pm PDT.
Sunshine
In April, the average sunshine is 10.9h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Luis Rey in April?
What is the average humidity in April?
How many days does it rain in April?
How many hours of daylight does San Luis Rey have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
San Luis Rey, CA
- Average high temperature in April: 66.7°F
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).
- Average low temperature in April: 52.7°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 in April
San Luis Rey, CA
- Average pressure in April: 29.96"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 in April
San Luis Rey, CA
- Average wind speed in April: 6mph
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 in April
San Luis Rey, CA
- Average humidity in April: 69%
The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (60%).
Average rainfall in April
San Luis Rey, CA
- Average rainfall in April: 0.71"
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 in April
San Luis Rey, CA
- Average rainfall days in April: 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 in April /
Average sunshine in April
San Luis Rey, CA
- Average daylight in April: 13h 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 April: 10h and 5min
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 in April
San Luis Rey, CA
- Average sunshine days in April: 21.1 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 in April
San Luis Rey, CA
- Average UV index in April: 5
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 in April
San Luis Rey, CA
- Average cloud cover in April: 22
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 in April
San Luis Rey, CA
- Average visibility in April: 6mi
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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