Planning a trip to San Diego in April? You are in luck! The weather is generally good, with an average maximum temperature of +68°F and approximately 7 sunny days. Just be prepared for some rain, as there are usually around 8 rainy days and 27 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+68°F
Avg. max. temperature
+43°F
Min.
+95°F
Max.
27 mm
Total precipitation
70%
Avg. humidity
3 m/s
Avg. wind
7 ☀️
Sunny Days
15 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: San Diego has good weather in April.
Avionero – A better way to search for flights:
Cheapest prices on the market!
Check all your dates and date combinations in a single search!
Want inspiration, set your dates and find the cheapest destinations!
Saves your searches in the browser so you can easily return to them!
Average temperature in San Diego in April
Here are the expected maximum, average and minimum temperatures in San Diego for April based on the historical data.
Last Year
Historical Data
Going from a maximum of +79°F during the day to a minimum of +46°F during the night, the temperature in April averages around +64°F.
The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +64°F to +63°F.
Is San Diego warm or cold in April?
San Diego is typically mild in April.
Maximum temperatures go up compared to the previous month from +66°F to +68°F. The minimum temperature also goes up from +54°F to +57°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in San Diego:
Water temperature in San Diego in April
Water in San Diego in April is Cold. It varies from +59°F to +62°F, with an average of +61°F.This is almost similar to the air temperature, which averages +68°F.
In April, water temperatures are average relative to the rest of the year:
The warmest water temperatures in San Diego are reached in August, when the average sea temperature rises to +68°F. The coldest water temperatures are in February, with an average of +59°F.
Can you swim in San Diego in April?
We would not recommend swimming in San Diego in April, the water is very cold (+61°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in San Diego in April
San Diego weather looks like this, on average, in April and the surrounding months.
March
April
May
Avg. temperature
+66°F
+68°F
+68°F
Min. temperature
+43°F
+43°F
+50°F
Max. temperature
+88°F
+95°F
+97°F
Rainfall
64 mm
27 mm
10 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+59°F
+61°F
+63°F
Humidity
70%
70%
72%
Air pressure
1016 HPa
1015 HPa
1013 HPa
Sunny days
6
7
4
Cloudy days
14
15
21
Rainy days
10
8
7
Snowy days
0
0
0
April weather is still as good as in March.It’s getting warmer as April arrives. The average maximum temperature goes up from +66°F to +68°F during the day.As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 64 mm to 27 mm.Humidity levels don’t change as the month goes on, averaging around 70%.The average wind speed doesn’t change much during April, staying around 3 m/s.The good news is there are likely to be more sunny days in April, from 6 to 7.
May brings much the same weather, it remains good.
Wind speed in San Diego in April based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Diego is gradually decreasing during April, going from 3 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during April in San Diego based on historical data.
Last Year
Historical Data
Typically, there is a 13% chance of rain on an average day in April, with total rainfall of approximately 9 mm. The maximum amount of rainfall per day is around 5 mm, which is considered light rain.San Diego is amazing in April with as little as 4 rainy days on average, so plan adventures in the great outdoors.
Here’s how April is compared with other months in the amount of precipitation, total mm:
San Diego wettest month is February, where a typical day has a 34% chance of precipitation and 84 mm of rainfall per day. July, on the other hand, is the driest month with a mere 6% chance of precipitation and 2 mm of rainfall per day.
How was the weather last April in San Diego?
This is the weather in San Diego in April 2023:
1 April
☀️
+64°F
2 April
☀️
+62°F
3 April
☁️
+59°F
4 April
☀️
+59°F
5 April
☁️
+62°F
6 April
☀️
+67°F
7 April
☁️
+65°F
8 April
☀️
+64°F
9 April
🌫️
+63°F
10 April
🌫️
+63°F
11 April
🌫️
+63°F
12 April
🌫️
+60°F
13 April
🌫️
+57°F
14 April
☁️
+62°F
15 April
☁️
+63°F
16 April
☁️
+62°F
17 April
🌫️
+61°F
18 April
☁️
+63°F
19 April
☁️
+64°F
20 April
☀️
+72°F
21 April
☀️
+79°F
22 April
☀️
+77°F
23 April
🌫️
+74°F
24 April
☁️
+65°F
25 April
☁️
+65°F
26 April
☁️
+68°F
27 April
🌫️
+66°F
28 April
🌫️
+66°F
29 April
☁️
+66°F
30 April
☁️
+62°F
In April 2023 San Diego had 8 sunny days, 13 cloudy days, and 0 rainy days. The average maximum temperature was +64°F, with an absolute maximum of +79°F and a minimum of +57°F. The average humidity was 79%, with a maximum of 100% and a minimum of 42%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in April?
Climate Change Over the Years
This is how San Diego climate has changed over the last 43 years.
The climate in San Diego in April has not changed that much over the last 43 years.
The average temperature was the lowest in 2001 (+67°F) and the highest in 2014 (+74°F). The driest year was 2002 with only 156 mm of rainfall, and the wettest year was 2023 with 1311 mm.
FAQ
Frequently asked questions about the weather in San Diego in April:
Is April a good time to visit San Diego?
April is a really good time to go to San Diego. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit San Diego.
Can you sunbathe in San Diego in April?
April has mild temperatures in San Diego. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in San Diego in April?
Swimming in San Diego in April is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is San Diego rainy in April?
San Diego is usually dry in April. Plan your packing around outdoor activities and exploring.
Is it sunny in San Diego in April?
Usually, it’s not very sunny in San Diego in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in San Diego, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
