skydelta.io

Best time to visit Philadelphia

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

Back to weather details
Best overall month

October

Overall score 53.0%

High
68.2°F
Low
54.3°F
Sun
5.2h
Rain
0.2in
Rain days
26.0%
Humidity
64.4%
Wind
10.3mph
Day length
11.1h
Sun percent
46.8%
Month to omit

February

Overall score 21.7%

High
44.6°F
Low
31.5°F
Sun
4.1h
Rain
0.2in
Rain days
34.0%
Humidity
69.1%
Wind
11.3mph
Day length
10.7h
Sun percent
38.2%

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. October

Score 53.0%

#1
High
68.2°F
Low
54.3°F
Sun
5.2h
Rain
0.2in
Rain days
26.0%
Humidity
64.4%
Wind
10.3mph
Day length
11.1h
Sun percent
46.8%
Heat score
29.0%
Mild score
86.0%
Dry score
44.0%

2. May

Score 44.3%

#2
High
71.6°F
Low
55.6°F
Sun
5.5h
Rain
0.2in
Rain days
40.0%
Humidity
66.8%
Wind
10.7mph
Day length
14.4h
Sun percent
38.2%
Heat score
29.0%
Mild score
62.0%
Dry score
42.0%

3. July

Score 42.0%

#3
High
88.2°F
Low
72.1°F
Sun
6.7h
Rain
0.2in
Rain days
45.0%
Humidity
64.4%
Wind
9.1mph
Day length
14.7h
Sun percent
45.7%
Heat score
60.0%
Mild score
13.0%
Dry score
53.0%

Top months to omit

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

1. February

Score 21.7%

#1
High
44.6°F
Low
31.5°F
Sun
4.1h
Rain
0.2in
Rain days
34.0%
Humidity
69.1%
Wind
11.3mph
Day length
10.7h
Sun percent
38.2%
Heat score
16.0%
Mild score
14.0%
Dry score
35.0%

2. December

Score 21.7%

#2
High
44.6°F
Low
33.1°F
Sun
3.3h
Rain
0.2in
Rain days
31.0%
Humidity
69.6%
Wind
10.8mph
Day length
9.4h
Sun percent
35.2%
Heat score
17.0%
Mild score
14.0%
Dry score
34.0%

3. January

Score 22.0%

#3
High
40.1°F
Low
28.6°F
Sun
3.6h
Rain
0.2in
Rain days
29.0%
Humidity
67.1%
Wind
11.6mph
Day length
9.7h
Sun percent
37.1%
Heat score
16.0%
Mild score
15.0%
Dry score
35.0%

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. July

Score 60.0%

#1
High
88.2°F
Low
72.1°F
Sun
6.7h
Rain
0.2in
Rain days
45.0%
Humidity
64.4%
Wind
9.1mph
Day length
14.7h
Sun percent
45.7%
Heat high
75.0%
Heat low
100.0%
Heat sun
46.0%
Heat rain
10.0%

2. August

Score 55.0%

#2
High
85.3°F
Low
70.7°F
Sun
5.7h
Rain
0.2in
Rain days
40.0%
Humidity
62.9%
Wind
9.1mph
Day length
13.7h
Sun percent
41.6%
Heat high
64.0%
Heat low
100.0%
Heat sun
42.0%
Heat rain
20.0%

3. June

Score 52.0%

#3
High
82.0°F
Low
65.1°F
Sun
6.9h
Rain
0.2in
Rain days
36.0%
Humidity
64.2%
Wind
10.4mph
Day length
14.9h
Sun percent
46.2%
Heat high
52.0%
Heat low
100.0%
Heat sun
46.0%
Heat rain
28.0%

Top months to omit

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

1. January

Score 16.0%

#1
High
40.1°F
Low
28.6°F
Sun
3.6h
Rain
0.2in
Rain days
29.0%
Humidity
67.1%
Wind
11.6mph
Day length
9.7h
Sun percent
37.1%
Heat high
0.0%
Heat low
0.0%
Heat sun
37.0%
Heat rain
42.0%

2. February

Score 16.0%

#2
High
44.6°F
Low
31.5°F
Sun
4.1h
Rain
0.2in
Rain days
34.0%
Humidity
69.1%
Wind
11.3mph
Day length
10.7h
Sun percent
38.2%
Heat high
0.0%
Heat low
20.0%
Heat sun
38.0%
Heat rain
32.0%

3. December

Score 17.0%

#3
High
44.6°F
Low
33.1°F
Sun
3.3h
Rain
0.2in
Rain days
31.0%
Humidity
69.6%
Wind
10.8mph
Day length
9.4h
Sun percent
35.2%
Heat high
0.0%
Heat low
20.0%
Heat sun
35.0%
Heat rain
38.0%

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. October

Score 86.0%

#1
High
68.2°F
Low
54.3°F
Sun
5.2h
Rain
0.2in
Rain days
26.0%
Humidity
64.4%
Wind
10.3mph
Day length
11.1h
Sun percent
46.8%
Mild high
98.0%
Mild low
92.0%
Mild sun
54.0%
Mild rain
76.0%

2. May

Score 62.0%

#2
High
71.6°F
Low
55.6°F
Sun
5.5h
Rain
0.2in
Rain days
40.0%
Humidity
66.8%
Wind
10.7mph
Day length
14.4h
Sun percent
38.2%
Mild high
67.0%
Mild low
78.0%
Mild sun
36.0%
Mild rain
44.0%

3. April

Score 40.0%

#3
High
63.0°F
Low
46.8°F
Sun
4.2h
Rain
0.2in
Rain days
37.0%
Humidity
63.1%
Wind
12.4mph
Day length
13.3h
Sun percent
31.6%
Mild high
53.0%
Mild low
24.0%
Mild sun
23.0%
Mild rain
51.0%

Top months to omit

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

1. July

Score 13.0%

#1
High
88.2°F
Low
72.1°F
Sun
6.7h
Rain
0.2in
Rain days
45.0%
Humidity
64.4%
Wind
9.1mph
Day length
14.7h
Sun percent
45.7%
Mild high
0.0%
Mild low
0.0%
Mild sun
51.0%
Mild rain
33.0%

2. August

Score 13.0%

#2
High
85.3°F
Low
70.7°F
Sun
5.7h
Rain
0.2in
Rain days
40.0%
Humidity
62.9%
Wind
9.1mph
Day length
13.7h
Sun percent
41.6%
Mild high
0.0%
Mild low
0.0%
Mild sun
43.0%
Mild rain
44.0%

3. February

Score 14.0%

#3
High
44.6°F
Low
31.5°F
Sun
4.1h
Rain
0.2in
Rain days
34.0%
Humidity
69.1%
Wind
11.3mph
Day length
10.7h
Sun percent
38.2%
Mild high
0.0%
Mild low
0.0%
Mild sun
36.0%
Mild rain
58.0%

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. July

Score 53.0%

#1
High
88.2°F
Low
72.1°F
Sun
6.7h
Rain
0.2in
Rain days
45.0%
Humidity
64.4%
Wind
9.1mph
Day length
14.7h
Sun percent
45.7%
Dry sun
46.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
100.0%

2. June

Score 51.0%

#2
High
82.0°F
Low
65.1°F
Sun
6.9h
Rain
0.2in
Rain days
36.0%
Humidity
64.2%
Wind
10.4mph
Day length
14.9h
Sun percent
46.2%
Dry sun
46.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
85.0%

3. August

Score 51.0%

#3
High
85.3°F
Low
70.7°F
Sun
5.7h
Rain
0.2in
Rain days
40.0%
Humidity
62.9%
Wind
9.1mph
Day length
13.7h
Sun percent
41.6%
Dry sun
42.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
97.0%

Top months to omit

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

1. December

Score 34.0%

#1
High
44.6°F
Low
33.1°F
Sun
3.3h
Rain
0.2in
Rain days
31.0%
Humidity
69.6%
Wind
10.8mph
Day length
9.4h
Sun percent
35.2%
Dry sun
35.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

2. January

Score 35.0%

#2
High
40.1°F
Low
28.6°F
Sun
3.6h
Rain
0.2in
Rain days
29.0%
Humidity
67.1%
Wind
11.6mph
Day length
9.7h
Sun percent
37.1%
Dry sun
37.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

3. February

Score 35.0%

#3
High
44.6°F
Low
31.5°F
Sun
4.1h
Rain
0.2in
Rain days
34.0%
Humidity
69.1%
Wind
11.3mph
Day length
10.7h
Sun percent
38.2%
Dry sun
38.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%
Back to weather details