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
April's climate shows a minor adjustment in average high-temperatures to a still enjoyable 67.8°F (19.9°C) from March's 64°F (17.8°C). San Luis Obispo experiences an average low-temperature of 48.2°F (9°C) in month of April.Humidity
In April, the average relative humidity in San Luis Obispo is 65%.Rainfall
In San Luis Obispo, during April, the rain falls for 6.8 days and regularly aggregates up to 0.63" (16mm) of precipitation. In San Luis Obispo, during the entire year, the rain falls for 57 days and collects up to 9.57" (243mm) of precipitation.Daylight
In April, the average length of the day is 13h and 7min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:24 pm. On the last day of April, in San Luis Obispo, sunrise is at 6:11 am and sunset at 7:48 pm PDT.
Sunshine
The average sunshine in April is 10.8h.UV index
In April, the average daily maximum UV index in San Luis Obispo is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in April translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are April temperatures in San Luis Obispo?
What is the average humidity in April in San Luis Obispo?
How much does it rain in San Luis Obispo in April?
What is the average length of the day in April in San Luis Obispo?
When are sunrise and sunset in April in San Luis Obispo?
How long on average sun shines in April in San Luis Obispo?
How high is the UV index in April in San Luis Obispo?
Average temperature in April
San Luis Obispo, CA
- Average high temperature in April: 67.8°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).
- Average low temperature in April: 48.2°F
The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).
Average pressure in April
San Luis Obispo, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in April
San Luis Obispo, CA
- Average wind speed in April: 6.8mph
The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in April
San Luis Obispo, CA
- Average humidity in April: 65%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).
Average rainfall in April
San Luis Obispo, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in April
San Luis Obispo, CA
- Average rainfall days in April: 6.8 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).
Average daylight in April /
Average sunshine in April
San Luis Obispo, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in April
San Luis Obispo, CA
- Average sunshine days in April: 22.3 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).
Average UV index in April
San Luis Obispo, CA
- Average UV index in April: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in April
San Luis Obispo, CA
- Average cloud cover in April: 20
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in April
San Luis Obispo, 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 Obispo, California, USA
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