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Best time to visit San Francisco

Monthly weather scores combine temperatures, sunshine, rain, and comfort signals to highlight when San Franciscois at its most inviting, and when the weather is least cooperative.

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Best overall month

June

Overall score 73.3%

High
68.0°F
Low
54.5°F
Sun
11.2h
Rain
0.0in
Rain days
1.0%
Humidity
74.8%
Wind
12.3mph
Day length
14.7h
Sun percent
76.0%
Month to omit

December

Overall score 28.3%

High
57.0°F
Low
48.0°F
Sun
3.6h
Rain
0.2in
Rain days
31.0%
Humidity
74.2%
Wind
9.4mph
Day length
9.6h
Sun percent
37.5%

Overall travel weather

A simple average of the Heat Seeker, Mild Moderate, and Sun And Dry scores.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. June

Score 73.3%

#1
High
68.0°F
Low
54.5°F
Sun
11.2h
Rain
0.0in
Rain days
1.0%
Humidity
74.8%
Wind
12.3mph
Day length
14.7h
Sun percent
76.0%
Heat score
44.0%
Mild score
97.0%
Dry score
79.0%

2. July

Score 71.7%

#2
High
69.4°F
Low
55.8°F
Sun
11.0h
Rain
0.0in
Rain days
0.0%
Humidity
77.3%
Wind
11.0mph
Day length
14.5h
Sun percent
76.0%
Heat score
47.0%
Mild score
87.0%
Dry score
81.0%

3. August

Score 68.7%

#3
High
71.1°F
Low
57.7°F
Sun
10.2h
Rain
0.0in
Rain days
0.0%
Humidity
77.4%
Wind
10.6mph
Day length
13.6h
Sun percent
75.2%
Heat score
49.0%
Mild score
75.0%
Dry score
82.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 28.3%

#1
High
57.0°F
Low
48.0°F
Sun
3.6h
Rain
0.2in
Rain days
31.0%
Humidity
74.2%
Wind
9.4mph
Day length
9.6h
Sun percent
37.5%
Heat score
24.0%
Mild score
26.0%
Dry score
35.0%

2. January

Score 32.0%

#2
High
57.0°F
Low
47.5°F
Sun
4.4h
Rain
0.1in
Rain days
24.0%
Humidity
75.1%
Wind
9.7mph
Day length
9.9h
Sun percent
44.4%
Heat score
28.0%
Mild score
29.0%
Dry score
39.0%

3. February

Score 32.7%

#3
High
57.6°F
Low
46.9°F
Sun
5.3h
Rain
0.2in
Rain days
26.0%
Humidity
71.8%
Wind
11.5mph
Day length
10.8h
Sun percent
48.9%
Heat score
29.0%
Mild score
29.0%
Dry score
40.0%

Heat Seeker

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. August

Score 49.0%

#1
High
71.1°F
Low
57.7°F
Sun
10.2h
Rain
0.0in
Rain days
0.0%
Humidity
77.4%
Wind
10.6mph
Day length
13.6h
Sun percent
75.2%
Heat high
11.0%
Heat low
100.0%
Heat sun
75.0%
Heat rain
100.0%

2. September

Score 49.0%

#2
High
71.2°F
Low
57.9°F
Sun
9.0h
Rain
0.0in
Rain days
1.0%
Humidity
74.9%
Wind
10.3mph
Day length
12.4h
Sun percent
72.6%
Heat high
12.0%
Heat low
100.0%
Heat sun
73.0%
Heat rain
98.0%

3. July

Score 47.0%

#3
High
69.4°F
Low
55.8°F
Sun
11.0h
Rain
0.0in
Rain days
0.0%
Humidity
77.3%
Wind
11.0mph
Day length
14.5h
Sun percent
76.0%
Heat high
5.0%
Heat low
100.0%
Heat sun
76.0%
Heat rain
100.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 24.0%

#1
High
57.0°F
Low
48.0°F
Sun
3.6h
Rain
0.2in
Rain days
31.0%
Humidity
74.2%
Wind
9.4mph
Day length
9.6h
Sun percent
37.5%
Heat high
0.0%
Heat low
89.0%
Heat sun
38.0%
Heat rain
38.0%

2. March

Score 27.0%

#2
High
58.6°F
Low
48.2°F
Sun
5.3h
Rain
0.1in
Rain days
30.0%
Humidity
75.5%
Wind
12.1mph
Day length
12.0h
Sun percent
44.2%
Heat high
0.0%
Heat low
98.0%
Heat sun
44.0%
Heat rain
40.0%

3. January

Score 28.0%

#3
High
57.0°F
Low
47.5°F
Sun
4.4h
Rain
0.1in
Rain days
24.0%
Humidity
75.1%
Wind
9.7mph
Day length
9.9h
Sun percent
44.4%
Heat high
0.0%
Heat low
89.0%
Heat sun
44.0%
Heat rain
52.0%

Mild Moderate

Mild Moderate Score is designed for those who prefer comfortable, temperate weather conditions. It favors moderate temperatures and balanced weather patterns.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. June

Score 97.0%

#1
High
68.0°F
Low
54.5°F
Sun
11.2h
Rain
0.0in
Rain days
1.0%
Humidity
74.8%
Wind
12.3mph
Day length
14.7h
Sun percent
76.0%
Mild high
100.0%
Mild low
90.0%
Mild sun
100.0%
Mild rain
100.0%

2. July

Score 87.0%

#2
High
69.4°F
Low
55.8°F
Sun
11.0h
Rain
0.0in
Rain days
0.0%
Humidity
77.3%
Wind
11.0mph
Day length
14.5h
Sun percent
76.0%
Mild high
87.0%
Mild low
76.0%
Mild sun
100.0%
Mild rain
100.0%

3. October

Score 86.0%

#3
High
69.3°F
Low
56.1°F
Sun
7.4h
Rain
0.0in
Rain days
5.0%
Humidity
68.1%
Wind
9.1mph
Day length
11.2h
Sun percent
66.2%
Mild high
88.0%
Mild low
72.0%
Mild sun
92.0%
Mild rain
100.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 26.0%

#1
High
57.0°F
Low
48.0°F
Sun
3.6h
Rain
0.2in
Rain days
31.0%
Humidity
74.2%
Wind
9.4mph
Day length
9.6h
Sun percent
37.5%
Mild high
0.0%
Mild low
38.0%
Mild sun
35.0%
Mild rain
64.0%

2. January

Score 29.0%

#2
High
57.0°F
Low
47.5°F
Sun
4.4h
Rain
0.1in
Rain days
24.0%
Humidity
75.1%
Wind
9.7mph
Day length
9.9h
Sun percent
44.4%
Mild high
0.0%
Mild low
32.0%
Mild sun
49.0%
Mild rain
80.0%

3. February

Score 29.0%

#3
High
57.6°F
Low
46.9°F
Sun
5.3h
Rain
0.2in
Rain days
26.0%
Humidity
71.8%
Wind
11.5mph
Day length
10.8h
Sun percent
48.9%
Mild high
3.0%
Mild low
26.0%
Mild sun
58.0%
Mild rain
76.0%

Sun And Dry

Sun And Dry Score maximizes sun exposure and minimizes all forms of precipitation. Temperature is secondary, preferring mild-to-warm conditions.

The tables below rank months by score. Each month includes the long-term weather inputs behind the score: daytime and nighttime temperature, sunshine, rain, rainy-day share, humidity, wind, day length, and the score components for this travel style.

Monthly score trend

This chart shows how the score changes through the year, so the top and omitted months below have context.

Top months to visit

Higher scores mean months that better match this travel style.

1. August

Score 82.0%

#1
High
71.1°F
Low
57.7°F
Sun
10.2h
Rain
0.0in
Rain days
0.0%
Humidity
77.4%
Wind
10.6mph
Day length
13.6h
Sun percent
75.2%
Dry sun
75.0%
Dry days
100.0%
Dry rain
100.0%
Dry comfort
45.0%

2. July

Score 81.0%

#2
High
69.4°F
Low
55.8°F
Sun
11.0h
Rain
0.0in
Rain days
0.0%
Humidity
77.3%
Wind
11.0mph
Day length
14.5h
Sun percent
76.0%
Dry sun
76.0%
Dry days
100.0%
Dry rain
100.0%
Dry comfort
39.0%

3. September

Score 80.0%

#3
High
71.2°F
Low
57.9°F
Sun
9.0h
Rain
0.0in
Rain days
1.0%
Humidity
74.9%
Wind
10.3mph
Day length
12.4h
Sun percent
72.6%
Dry sun
73.0%
Dry days
96.0%
Dry rain
100.0%
Dry comfort
45.0%

Top months to omit

Lower scores mean months where the weather is least aligned with this travel style.

1. December

Score 35.0%

#1
High
57.0°F
Low
48.0°F
Sun
3.6h
Rain
0.2in
Rain days
31.0%
Humidity
74.2%
Wind
9.4mph
Day length
9.6h
Sun percent
37.5%
Dry sun
38.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

2. March

Score 38.0%

#2
High
58.6°F
Low
48.2°F
Sun
5.3h
Rain
0.1in
Rain days
30.0%
Humidity
75.5%
Wind
12.1mph
Day length
12.0h
Sun percent
44.2%
Dry sun
44.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

3. January

Score 39.0%

#3
High
57.0°F
Low
47.5°F
Sun
4.4h
Rain
0.1in
Rain days
24.0%
Humidity
75.1%
Wind
9.7mph
Day length
9.9h
Sun percent
44.4%
Dry sun
44.0%
Dry days
4.0%
Dry rain
100.0%
Dry comfort
0.0%
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