United States
Best Time to Visit
San Diego
Visit in July — score 95/100 · avg high 94°F · 1 rainy days
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Monthly Travel Scores
How we scoreScores reflect weather comfort (35%), dry days (35%), daylight hours (15%), crowd levels (10%), and cost (5%) — weighted for typical travelers preferring warm, dry conditions. Customize weights in the interactive tool.January
February
March
April
May
June
July
#1August
#2September
#3October
November
December
Monthly Weather Data
| Month | Score | Avg °F | High °F | Low °F | Rain Days | Precip (mm) | Daylight | Crowds | Cost |
|---|---|---|---|---|---|---|---|---|---|
| January | 35 | 54° | 75° | 39° | 12 | 47 | 10.1h | High | Average |
| February | 37 | 55° | 76° | 40° | 12 | 48 | 10.8h | High | Average |
| March | 45 | 56° | 80° | 42° | 10 | 41 | 11.8h | High | Above avg |
| April | 70 | 59° | 85° | 45° | 4 | 15 | 12.8h | High | Average |
| May | 83 | 61° | 86° | 49° | 2 | 8 | 13.7h | Moderate | Below avg |
| June | 91 | 67° | 91° | 51° | 4 | 14 | 14.1h | Moderate | Below avg |
| July | 95 | 73° | 94° | 56° | 1 | 4 | 14.0h | Moderate | Below avg |
| August | 95 | 74° | 96° | 57° | 2 | 6 | 13.2h | Moderate | Below avg |
| September | 92 | 73° | 96° | 56° | 3 | 11 | 12.2h | Moderate | Below avg |
| October | 84 | 67° | 91° | 52° | 2 | 9 | 11.2h | Moderate | Average |
| November | 60 | 60° | 85° | 46° | 7 | 27 | 10.3h | Moderate | Average |
| December | 30 | 55° | 77° | 40° | 13 | 53 | 9.9h | High | Above avg |
Seasonal Breakdown
Spring
- Score
- 66/100
- High
- 84°F
- Low
- 45°F
- Rain days
- 5/mo
- Crowds
- high
Spring in San Diego (March, April, May) brings average highs of 84°F and lows of 45°F, with about 5 rainy days per month. Expect high tourist crowds and average accommodation rates. The overall travel score averages 66/100, with May being the strongest month of the season at 83/100.
Summer
- Score
- 94/100
- High
- 94°F
- Low
- 55°F
- Rain days
- 2/mo
- Crowds
- moderate
Summer in San Diego (June, July, August) brings average highs of 94°F and lows of 55°F, with about 2 rainy days per month. Expect moderate tourist crowds and budget-friendly accommodation rates. The overall travel score averages 94/100, with August being the strongest month of the season at 95/100.
Fall
- Score
- 79/100
- High
- 91°F
- Low
- 51°F
- Rain days
- 4/mo
- Crowds
- moderate
Fall in San Diego (September, October, November) brings average highs of 91°F and lows of 51°F, with about 4 rainy days per month. Expect moderate tourist crowds and average accommodation rates. The overall travel score averages 79/100, with September being the strongest month of the season at 92/100.
Winter
- Score
- 34/100
- High
- 76°F
- Low
- 40°F
- Rain days
- 12/mo
- Crowds
- high
Winter in San Diego (December, January, February) brings average highs of 76°F and lows of 40°F, with about 12 rainy days per month. Expect high tourist crowds and above average accommodation rates. The overall travel score averages 34/100, with February being the strongest month of the season at 37/100.
Crowd and cost data estimated from regional travel patterns for this destination.
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Fine-Tune Your San Diego Trip
Want more control? Adjust the exact weight of every factor — temperature comfort, dry weather, daylight hours, crowd levels, and cost — with interactive sliders and see scores update in real time.