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Best time to visit Islip

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

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Best overall month

October

Overall score 45.0%

High
64.9°F
Low
55.8°F
Sun
4.9h
Rain
0.2in
Rain days
32.0%
Humidity
69.0%
Wind
14.5mph
Day length
11.1h
Sun percent
44.1%
Month to omit

February

Overall score 21.3%

High
40.8°F
Low
31.3°F
Sun
4.3h
Rain
0.2in
Rain days
37.0%
Humidity
71.1%
Wind
14.9mph
Day length
10.7h
Sun percent
40.2%

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 45.0%

#1
High
64.9°F
Low
55.8°F
Sun
4.9h
Rain
0.2in
Rain days
32.0%
Humidity
69.0%
Wind
14.5mph
Day length
11.1h
Sun percent
44.1%
Heat score
26.0%
Mild score
68.0%
Dry score
41.0%

2. May

Score 44.3%

#2
High
64.0°F
Low
53.6°F
Sun
6.1h
Rain
0.2in
Rain days
38.0%
Humidity
71.6%
Wind
13.1mph
Day length
14.5h
Sun percent
42.2%
Heat score
24.0%
Mild score
69.0%
Dry score
40.0%

3. September

Score 40.7%

#3
High
73.9°F
Low
65.1°F
Sun
5.9h
Rain
0.2in
Rain days
30.0%
Humidity
70.3%
Wind
12.5mph
Day length
12.4h
Sun percent
47.4%
Heat score
39.0%
Mild score
36.0%
Dry score
47.0%

Top months to omit

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

1. February

Score 21.3%

#1
High
40.8°F
Low
31.3°F
Sun
4.3h
Rain
0.2in
Rain days
37.0%
Humidity
71.1%
Wind
14.9mph
Day length
10.7h
Sun percent
40.2%
Heat score
14.0%
Mild score
14.0%
Dry score
36.0%

2. January

Score 21.7%

#2
High
38.7°F
Low
29.5°F
Sun
3.7h
Rain
0.2in
Rain days
31.0%
Humidity
67.3%
Wind
15.9mph
Day length
9.6h
Sun percent
38.4%
Heat score
15.0%
Mild score
15.0%
Dry score
35.0%

3. December

Score 21.7%

#3
High
43.7°F
Low
34.9°F
Sun
3.5h
Rain
0.3in
Rain days
33.0%
Humidity
71.1%
Wind
16.0mph
Day length
9.3h
Sun percent
37.6%
Heat score
16.0%
Mild score
14.0%
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 51.0%

#1
High
81.3°F
Low
71.6°F
Sun
7.4h
Rain
0.2in
Rain days
39.0%
Humidity
72.6%
Wind
11.8mph
Day length
14.7h
Sun percent
50.2%
Heat high
49.0%
Heat low
100.0%
Heat sun
50.0%
Heat rain
22.0%

2. August

Score 49.0%

#2
High
80.1°F
Low
70.7°F
Sun
6.6h
Rain
0.1in
Rain days
35.0%
Humidity
69.5%
Wind
11.9mph
Day length
13.7h
Sun percent
48.0%
Heat high
45.0%
Heat low
100.0%
Heat sun
48.0%
Heat rain
30.0%

3. September

Score 39.0%

#3
High
73.9°F
Low
65.1°F
Sun
5.9h
Rain
0.2in
Rain days
30.0%
Humidity
70.3%
Wind
12.5mph
Day length
12.4h
Sun percent
47.4%
Heat high
22.0%
Heat low
100.0%
Heat sun
47.0%
Heat rain
40.0%

Top months to omit

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

1. February

Score 14.0%

#1
High
40.8°F
Low
31.3°F
Sun
4.3h
Rain
0.2in
Rain days
37.0%
Humidity
71.1%
Wind
14.9mph
Day length
10.7h
Sun percent
40.2%
Heat high
0.0%
Heat low
0.0%
Heat sun
40.0%
Heat rain
26.0%

2. January

Score 15.0%

#2
High
38.7°F
Low
29.5°F
Sun
3.7h
Rain
0.2in
Rain days
31.0%
Humidity
67.3%
Wind
15.9mph
Day length
9.6h
Sun percent
38.4%
Heat high
0.0%
Heat low
0.0%
Heat sun
38.0%
Heat rain
38.0%

3. December

Score 16.0%

#3
High
43.7°F
Low
34.9°F
Sun
3.5h
Rain
0.3in
Rain days
33.0%
Humidity
71.1%
Wind
16.0mph
Day length
9.3h
Sun percent
37.6%
Heat high
0.0%
Heat low
15.0%
Heat sun
38.0%
Heat rain
34.0%

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. May

Score 69.0%

#1
High
64.0°F
Low
53.6°F
Sun
6.1h
Rain
0.2in
Rain days
38.0%
Humidity
71.6%
Wind
13.1mph
Day length
14.5h
Sun percent
42.2%
Mild high
63.0%
Mild low
100.0%
Mild sun
44.0%
Mild rain
49.0%

2. October

Score 68.0%

#2
High
64.9°F
Low
55.8°F
Sun
4.9h
Rain
0.2in
Rain days
32.0%
Humidity
69.0%
Wind
14.5mph
Day length
11.1h
Sun percent
44.1%
Mild high
72.0%
Mild low
76.0%
Mild sun
48.0%
Mild rain
62.0%

3. September

Score 36.0%

#3
High
73.9°F
Low
65.1°F
Sun
5.9h
Rain
0.2in
Rain days
30.0%
Humidity
70.3%
Wind
12.5mph
Day length
12.4h
Sun percent
47.4%
Mild high
45.0%
Mild low
0.0%
Mild sun
55.0%
Mild rain
67.0%

Top months to omit

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

1. April

Score 13.0%

#1
High
55.2°F
Low
45.0°F
Sun
4.4h
Rain
0.2in
Rain days
36.0%
Humidity
68.4%
Wind
14.9mph
Day length
13.3h
Sun percent
33.0%
Mild high
0.0%
Mild low
4.0%
Mild sun
26.0%
Mild rain
53.0%

2. February

Score 14.0%

#2
High
40.8°F
Low
31.3°F
Sun
4.3h
Rain
0.2in
Rain days
37.0%
Humidity
71.1%
Wind
14.9mph
Day length
10.7h
Sun percent
40.2%
Mild high
0.0%
Mild low
0.0%
Mild sun
40.0%
Mild rain
51.0%

3. March

Score 14.0%

#3
High
46.6°F
Low
36.1°F
Sun
4.2h
Rain
0.2in
Rain days
33.0%
Humidity
68.4%
Wind
16.1mph
Day length
12.0h
Sun percent
35.1%
Mild high
0.0%
Mild low
0.0%
Mild sun
30.0%
Mild rain
60.0%

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 52.0%

#1
High
81.3°F
Low
71.6°F
Sun
7.4h
Rain
0.2in
Rain days
39.0%
Humidity
72.6%
Wind
11.8mph
Day length
14.7h
Sun percent
50.2%
Dry sun
50.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
83.0%

2. August

Score 51.0%

#2
High
80.1°F
Low
70.7°F
Sun
6.6h
Rain
0.1in
Rain days
35.0%
Humidity
69.5%
Wind
11.9mph
Day length
13.7h
Sun percent
48.0%
Dry sun
48.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
78.0%

3. June

Score 47.0%

#3
High
74.3°F
Low
63.9°F
Sun
7.1h
Rain
0.2in
Rain days
34.0%
Humidity
71.7%
Wind
12.4mph
Day length
15.0h
Sun percent
47.2%
Dry sun
47.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
57.0%

Top months to omit

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

1. April

Score 33.0%

#1
High
55.2°F
Low
45.0°F
Sun
4.4h
Rain
0.2in
Rain days
36.0%
Humidity
68.4%
Wind
14.9mph
Day length
13.3h
Sun percent
33.0%
Dry sun
33.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

2. March

Score 34.0%

#2
High
46.6°F
Low
36.1°F
Sun
4.2h
Rain
0.2in
Rain days
33.0%
Humidity
68.4%
Wind
16.1mph
Day length
12.0h
Sun percent
35.1%
Dry sun
35.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%

3. January

Score 35.0%

#3
High
38.7°F
Low
29.5°F
Sun
3.7h
Rain
0.2in
Rain days
31.0%
Humidity
67.3%
Wind
15.9mph
Day length
9.6h
Sun percent
38.4%
Dry sun
38.0%
Dry days
0.0%
Dry rain
100.0%
Dry comfort
0.0%
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