Temperatures in April
It's pleasantly warm in April in San Luis Obispo with an average temperature of 22°C. Temperatures this month range from a low of 19°C to a high of 25°C. At night, you can expect temperatures between 8°C and 11°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Luis Obispo in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in San Luis Obispo with warm temperatures, averaging around 22°C during the day and nights close to 10°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature stays the same at 22°C, with nights close to 10°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of April
By the end of April, the average daytime temperature in San Luis Obispo will be around 22°C, with nights close to 11°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in April
In April, there is an average of 19 mm of precipitation, spread over 2 days. The wind speed is around 5 Bft, mostly coming from the Northwest.
The average chance of precipitation is only 7% in April.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for San Luis Obispo. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Luis Obispo in April |
London | ||
|---|---|---|---|
 Average Temperature |
22°C | 15°C | |
 High Temp |
25°C | 18°C | |
| Low Temp |
19°C | 12°C | |
 Total Precipitation |
19 mm | 29 mm | |
| Rainy Days |
2 days | 7 days | |
March
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit San Luis Obispo?
Want nice weather? Then April is a great time to be in San Luis Obispo. You’ll have pleasant temperatures and little chance of rain this month.
Temperature records for San Luis Obispo in April
With 36°C, San Luis Obispo hit the highest temperature in the last 10 years in April 2014. The lowest daytime temperature in this month was 12°C in 2020. The extreme night temperatures ranged from a low of 2°C to a high of 17°C.
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Daily Temperature in April in San Luis Obispo
This chart shows the average daily temperatures, both day and night, for each day in April in San Luis Obispo, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in San Luis Obispo
The chart below shows the average daily precipitation in April for San Luis Obispo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 2 days of rain in San Luis Obispo.
Daily UV Index in April in San Luis Obispo
This chart shows the average daily UV index in April in San Luis Obispo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in San Luis Obispo Over the Years
This chart shows the average temperature in April in San Luis Obispo, measured in degrees Celsius, over the past years.
Total Precipitation in April in San Luis Obispo Over the Years
This chart shows the average precipitation in April in San Luis Obispo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for San Luis Obispo
Click on a specific day in April for detailed info on the typical weather on that day in San Luis Obispo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in San Luis Obispo
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Average Weather in San Luis Obispo by Month
Click on a month below to see detailed weather info for San Luis Obispo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Luis Obispo for all months at once
