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Weather in San Diego for May 2025

Your guide to San Diego weather in May - trends and predictions
  • In general, the average temperature in San Diego at the beginning of May is 18 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.1 °F by the end of May.

  • San Diego sees moderate rainfall in May, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/14°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
69 %
Avg humidity

San Diego in May average weather

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Temperatures trend during May in San Diego

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
18° /13° 0.3 mm 5
May 2 Patchy rain possible
Patchy rain possible
18° /13° 0.4 mm 5
May 3 Patchy rain possible
Patchy rain possible
19° /13° 0.4 mm 5
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
17° /13° 8.5 mm 4
May 5 Patchy rain possible
Patchy rain possible
16° /13° 1.4 mm 4
May 6 Cloudy
Cloudy
19° /12° 0 mm 5
May 7 Cloudy
Cloudy
19° /13° 0 mm 5
May 8 Partly cloudy
Partly cloudy
19° /13° 0 mm 5
May 9 Patchy rain possible
Patchy rain possible
19° /14° 0.3 mm 5
May 10 Patchy rain possible
Patchy rain possible
19° /14° 0.4 mm 5
May 11 Cloudy
Cloudy
19° /14° 0 mm 5
May 12 Sunny
Sunny
20° /15° 0.1 mm 6
May 13 Sunny
Sunny
20° /14° 0 mm 6
May 14 Sunny
Sunny
20° /14° 0 mm 6
May 15 Sunny
Sunny
19° /14° 0.1 mm 5
May 16 Sunny
Sunny
20° /15° 0.1 mm 5
May 17 Sunny
Sunny
20° /14° 0.1 mm 5
May 18 Sunny
Sunny
20° /15° 0 mm 6
May 19 Partly cloudy
Partly cloudy
19° /14° 0 mm 6
May 20 Cloudy
Cloudy
19° /14° 0 mm 5
May 21 Sunny
Sunny
20° /14° 0 mm 6
May 22 Cloudy
Cloudy
19° /14° 0.1 mm 5
May 23 Partly cloudy
Partly cloudy
18° /15° 0.3 mm 5
May 24 Cloudy
Cloudy
18° /15° 0.3 mm 4
May 25 Partly cloudy
Partly cloudy
18° /14° 0.6 mm 5
May 26 Patchy rain possible
Patchy rain possible
18° /14° 0.4 mm 4
May 27 Cloudy
Cloudy
20° /15° 0.1 mm 5
May 28 Patchy rain possible
Patchy rain possible
20° /14° 0.5 mm 5
May 29 Patchy rain possible
Patchy rain possible
20° /14° 0.3 mm 5
May 30 Patchy rain possible
Patchy rain possible
19° /15° 1.5 mm 4
May 31 Patchy rain possible
Patchy rain possible
19° /15° 0.3 mm 5
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Important Notice
Our weather forecast for San Diego in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Diego forecast closer to your planned date for the most up-to-date weather information.

San Diego in May - FAQ

What are the expected maximum and minimum temperatures in San Diego during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Diego during May?
In May, San Diego can expect light to moderate rainfall, totaling 31.7 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Diego during May?
The average wind speed in San Diego during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in San Diego

Explore the daily rainfall trends and prepare for San Diegos May weather 💧

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Location coordinates Where is San Diego?

Get accurate weather forecasts for San Diego, located at latitude 32.716 and longitude -117.165. Stay updated with localized weather information tailored for San Diego.

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