United States
Best Time to Visit
San Francisco
Visit in July — score 91/100 · avg high 83°F · 0 rainy days
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See how the best month changes based on your travel style
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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
#3July
#1August
#2September
October
November
December
Monthly Weather Data
| Month | Score | Avg °F | High °F | Low °F | Rain Days | Precip (mm) | Daylight | Crowds | Cost |
|---|---|---|---|---|---|---|---|---|---|
| January | 14 | 49° | 64° | 36° | 26 | 104 | 9.7h | Low | Below avg |
| February | 17 | 51° | 67° | 38° | 24 | 96 | 10.6h | Moderate | Average |
| March | 23 | 52° | 72° | 40° | 22 | 87 | 11.7h | Moderate | Average |
| April | 57 | 54° | 78° | 42° | 9 | 36 | 13.0h | High | Average |
| May | 75 | 57° | 80° | 46° | 4 | 14 | 14.0h | High | Above avg |
| June | 86 | 61° | 86° | 49° | 1 | 5 | 14.6h | Very High | Above avg |
| July | 91 | 62° | 83° | 51° | 0 | 1 | 14.4h | Very High | Above avg |
| August | 90 | 64° | 87° | 52° | 0 | 1 | 13.5h | Very High | Above avg |
| September | 83 | 64° | 91° | 51° | 1 | 5 | 12.2h | Very High | Above avg |
| October | 61 | 61° | 86° | 48° | 9 | 36 | 11.0h | High | Average |
| November | 40 | 55° | 74° | 40° | 14 | 57 | 9.9h | Moderate | Average |
| December | 12 | 49° | 64° | 36° | 28 | 113 | 9.4h | Moderate | Below avg |
Seasonal Breakdown
Spring
- Score
- 52/100
- High
- 77°F
- Low
- 42°F
- Rain days
- 11/mo
- Crowds
- high
Spring in San Francisco (March, April, May) brings average highs of 77°F and lows of 42°F, with about 11 rainy days per month. Expect high tourist crowds and above average accommodation rates. The overall travel score averages 52/100, with May being the strongest month of the season at 75/100.
Summer
- Score
- 89/100
- High
- 85°F
- Low
- 51°F
- Rain days
- 1/mo
- Crowds
- very high
Summer in San Francisco (June, July, August) brings average highs of 85°F and lows of 51°F, with about 1 rainy days per month. Expect very high tourist crowds and above average accommodation rates. The overall travel score averages 89/100, with July being the strongest month of the season at 91/100.
Fall
- Score
- 61/100
- High
- 84°F
- Low
- 47°F
- Rain days
- 8/mo
- Crowds
- high
Fall in San Francisco (September, October, November) brings average highs of 84°F and lows of 47°F, with about 8 rainy days per month. Expect high tourist crowds and above average accommodation rates. The overall travel score averages 61/100, with September being the strongest month of the season at 83/100.
Winter
- Score
- 14/100
- High
- 65°F
- Low
- 37°F
- Rain days
- 26/mo
- Crowds
- moderate
Winter in San Francisco (December, January, February) brings average highs of 65°F and lows of 37°F, with about 26 rainy days per month. Expect moderate tourist crowds and average accommodation rates. The overall travel score averages 14/100, with February being the strongest month of the season at 17/100.
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Frequently Asked Questions
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Fine-Tune Your San Francisco 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.