Ideal weather days in San Diego
The best time to visit San Diego for warm, dry weather is April to December, with 27 to 31 such days a month.
How many days here suit you?
Set your ideal day. Each day measured at San Diego's weather station in 2023–2025 is checked against it.
They're most common in April to December.
This station doesn't record cloud cover, so the sky setting is left out here.
Open the full map Zoom with ctrl or ⌘ and scroll.Move and zoom with two fingers.
Your ideal days in San Diego, month by month
Why the other days don't count
- Too cold34
- Too wet26
- Too windy2
- Too hot2
A day can fail more than one test.
Warm and dry, beach and mild days
With the Warm & dry preset (a high of 18–33 °C, no more than 1 mm of rain, wind under 20 km/h), San Diego averaged 317 days a year in 2023–2025. Every number here is counted from real measured days in the United States, not from climate averages.
Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in August (up to 11 a month, 33 a year). Mild, still days (16–26 °C, light wind) are most common in April to July and October to December (up to 29 a month, 287 a year).
What spoils the other days
Most of the days that don't count are too cold (a high under 18 °C): 34 a year, mostly in January, February and March. Another 26 are wet (more than 1 mm of rain), mostly in January, February and March. A day can fail more than one test.
San Diego weather, month by month
| Month | Typical high | Rain days | Windy days | Clear days | Warm & dry days |
|---|---|---|---|---|---|
| January | 19 °C 65 °F | 7 | 0 | 14 | 18 of 31 |
| February | 19 °C 66 °F | 6 | 1 | 10 | 18 of 28 |
| March | 19 °C 65 °F | 10 | 1 | 7 | 19 of 31 |
| April | 20 °C 67 °F | 3 | 0 | 7 | 27 of 30 |
| May | 20 °C 68 °F | 2 | 0 | 3 | 30 of 31 |
| June | 22 °C 71 °F | 0 | 0 | 6 | 30 of 30 |
| July | 25 °C 76 °F | 0 | 0 | 6 | 31 of 31 |
| August | 26 °C 78 °F | 1 | 0 | 8 | 30 of 31 |
| September | 24 °C 75 °F | 1 | 0 | 5 | 28 of 30 |
| October | 24 °C 74 °F | 0 | 0 | 11 | 31 of 31 |
| November | 24 °C 74 °F | 3 | 0 | 18 | 28 of 30 |
| December | 20 °C 68 °F | 3 | 0 | 14 | 27 of 31 |
| Year | 34 | 2 | 109 | 317 of 365 |
Typical high is the median daily maximum. A rain day has 1 mm or more; a windy day a mean wind above 20 km/h; a clear day a daytime cloud cover of 2/8 or less on average (9:00–17:00). Days are averaged over 2023–2025 and scaled to the length of each month.
Year by year
- 2023 298 warm, dry days
- 2024 324 warm, dry days
- 2025 incomplete (8 of 12 months)
Questions
When is the best time to visit San Diego for good weather?
The best time to visit San Diego for warm, dry weather is April to December, with 27 to 31 such days a month. Beach days (a high of 26–35 °C, almost no rain, mostly sunny) are most common in August (up to 11 a month, 33 a year). Counted from measured days at San Diego International Airport station, 2023–2025.
Does it rain a lot in San Diego?
On average 34 days a year had 1 mm of rain or more in 2023–2025. The wettest month was March (10 rain days), the driest July (0).
How many sunny days does San Diego get a year?
About 109 days a year had mostly clear skies (daytime cloud cover of 2/8 or less on average, 9:00–17:00), most of them in November (18).
How warm does San Diego get?
The median daily high ranged from 19 °C (65 °F) in January to 26 °C (78 °F) in August.
Nearby
- Tijuana30 km311 days
- Los Angeles180 km296 days
- Las Vegas430 km126 days
- Phoenix480 km166 days
- San Francisco740 km162 days
- La Paz (BCS)1170 km, Mexico166 days
- Honolulu4230 km224 days
More cities in the United States
- Orlando 203 days
- Tampa 194 days
- Miami 181 days
- Charlotte 177 days
- Sacramento 169 days
- Atlanta 168 days
- San Antonio 157 days
- Denver 151 days
- Nashville 150 days
- New Orleans 144 days
- St. Louis 143 days
- Seattle 142 days
- Houston 141 days
- Kansas City 135 days
- Austin 134 days
- Albuquerque 132 days
- Detroit 131 days
- Dallas 129 days
- New York 129 days
- Chicago 120 days
- Minneapolis 120 days
- Boise 117 days
- Billings 116 days
- Boston 116 days
- Salt Lake City 107 days
- Fairbanks 81 days
- Anchorage 55 days
- Juneau 45 days
Where is the best climate in the United States?
Open San Diego on the map Set your own temperature, rain and wind limits.
Source: San Diego International Airport weather station (72290023188), 3 km from the centre of San Diego, 5 m above sea level. Daily records from NOAA's Global Surface Summary of the Day, 2023–2025; 89% of days have a complete record. A single station may not represent every part of a city, and three years is a short record.