Weather History for Islip, NY

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 69 °F 51 °F
Mean Temperature 76 °F 59 °F 48 °F
Min Temperature 63 °F 50 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 17 7 0 206
Cooling Degree Days (base 65) 11 1 0 30
Growing Degree Days (base 50) 26 9 0 274
Dew Point  
Dew Point 69 °F 49 °F 22 °F
Precipitation  
Precipitation 0.77 in 0.11 in 0.00 in 3.05 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.06 in 29.64 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 24, 2013 Rise Set
Actual Time 5:27 AM EDT 8:11 PM EDT
Civil Twilight 4:55 AM EDT 8:43 PM EDT
Nautical Twilight 4:15 AM EDT 9:23 PM EDT
Astronomical Twilight 3:29 AM EDT 10:09 PM EDT
Moon 7:50 PM EDT (5/24) 4:57 AM EDT (5/24)
Length of Visible Light 15h 48m
Length of Day
14h 43m
Full, 100% of the Moon is Illuminated
May 24
Full
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 3.05 Normal Month Total: 3.78
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
64 | 40 0.00
Average:
63 | 45 0.11
Scattered Clouds
Actual:
65 | 40 0.00
Average:
63 | 46 0.11
Partly Cloudy
Actual:
64 | 45 0.00
Average:
64 | 46 0.12
Clear
Actual:
64 | 42 0.00
Average:
64 | 46 0.12
Partly Cloudy
Actual:
60 | 39 0.00
Average:
64 | 46 0.13
Partly Cloudy
Actual:
65 | 45 0.00
Average:
65 | 47 0.12
Fog
Actual:
71 | 45 T
Average:
65 | 47 0.12
Thunderstorm
Actual:
66 | 53 0.27
Average:
65 | 47 0.11
Rain
Actual:
66 | 52 0.04
Average:
65 | 48 0.11
Partly Cloudy
Actual:
77 | 50 0.00
Average:
66 | 48 0.11
Rain
Actual:
66 | 58 0.30
Average:
66 | 48 0.11
Rain
Actual:
72 | 51 0.02
Average:
66 | 48 0.12
Partly Cloudy
Actual:
58 | 42 0.00
Average:
67 | 49 0.11
Scattered Clouds
Actual:
60 | 40 0.00
Average:
67 | 49 0.11
Rain
Actual:
62 | 41 T
Average:
67 | 49 0.11
Partly Cloudy
Actual:
75 | 51 T
Average:
68 | 50 0.11
Partly Cloudy
Actual:
72 | 49 0.00
Average:
68 | 50 0.11
Rain
Actual:
69 | 49 0.06
Average:
68 | 50 0.12
Rain
Actual:
58 | 55 0.34
Average:
68 | 51 0.12
Rain
Actual:
75 | 57 0.00
Average:
69 | 51 0.12
Fog
Actual:
78 | 60 0.00
Average:
69 | 51 0.13
Rain
Actual:
74 | 57 0.22
Average:
69 | 52 0.13
Thunderstorm
Actual:
71 | 63 0.39
Average:
70 | 52 0.13
Rain
Actual:
70 | 47 0.19
Average:
70 | 52 0.14
Rain
Actual:
51 | 45 0.77
Average:
70 | 53 0.13
Partly Cloudy
Actual:
66 | 45 0.00
Average:
71 | 53 0.13
Scattered Clouds
Actual:
71 | 43 0.00
Average:
71 | 53 0.13
Rain
Actual:
70 | 48 0.45
Average:
71 | 54 0.14
Rain
Actual:
74 | 58 T
Average:
71 | 54 0.14
Scattered Clouds
Actual:
88 | 62 0.00
Average:
72 | 55 0.14
Scattered Clouds
Actual:
89 | 63 0.00
Average:
72 | 55 0.14
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 64 52 40 46 39 30 82 63 43 30.47 30.42 30.33 10 10 10 17 7 24 0.00  
2 65 53 40 46 41 37 93 68 43 30.45 30.40 30.33 10 10 10 13 5 17 0.00  
3 64 55 45 43 39 35 82 59 36 30.45 30.40 30.36 10 10 10 17 9 25 0.00  
4 64 53 42 44 40 36 92 66 39 30.35 30.29 30.26 10 10 10 20 9 24 0.00  
5 60 50 39 42 39 36 86 69 51 30.29 30.26 30.23 10 10 10 20 8 24 0.00  
6 65 55 45 47 44 41 89 73 56 30.26 30.21 30.16 10 10 10 14 6 17 0.00  
7 71 58 45 56 51 42 93 77 61 30.17 30.14 30.10 10 7 0 15 6 18 T Fog
8 66 60 53 61 56 52 93 89 84 30.11 30.04 30.00 10 6 0 26 9 33 0.27 Fog , Rain , Thunderstorm
9 66 59 52 59 54 51 100 86 72 30.01 29.93 29.87 10 8 1 18 4 23 0.04 Rain
10 77 64 50 56 52 48 96 66 36 29.98 29.95 29.91 10 9 4 14 6 17 0.00  
11 66 62 58 60 57 52 97 88 78 29.89 29.80 29.70 10 6 0 21 10 31 0.30 Fog , Rain
12 72 62 51 59 49 24 100 61 22 29.90 29.69 29.64 10 5 0 25 11 32 0.02 Fog , Rain
13 58 50 42 31 27 22 62 45 27 30.07 29.99 29.92 10 10 10 21 11 26 0.00  
14 60 50 40 39 31 22 76 50 23 30.09 30.06 30.03 10 10 0 16 8 26 0.00  
15 62 52 41 53 46 37 89 70 51 30.06 29.90 29.70 10 10 10 22 8 32 T Rain
16 75 63 51 56 49 42 93 62 31 29.80 29.75 29.69 10 9 4 20 7 23 T  
17 72 61 49 50 41 35 83 57 30 30.19 30.03 29.82 10 10 10 20 8 25 0.00  
18 69 59 49 53 48 43 89 67 45 30.31 30.28 30.19 10 10 10 16 7 22 0.06 Rain
19 58 57 55 57 53 47 93 80 67 30.33 30.27 30.18 10 6 1 20 9 25 0.34 Rain
20 75 66 57 63 60 55 100 84 68 30.18 30.06 29.97 10 5 0 12 7 - 0.00 Fog , Rain
21 78 69 60 67 62 57 97 82 67 29.97 29.93 29.86 10 5 0 18 8 23 0.00 Fog
22 74 66 57 64 60 55 97 85 73 29.94 29.90 29.86 10 4 0 20 8 25 0.22 Rain
23 71 67 63 64 62 61 100 89 78 29.93 29.88 29.78 9 5 0 25 15 33 0.39 Fog , Rain , Thunderstorm
24 70 59 47 63 55 42 100 86 71 29.87 29.75 29.68 10 8 2 26 12 33 0.19 Rain
25 51 48 45 44 42 38 92 79 66 29.93 29.85 29.82 10 7 2 30 17 40 0.77 Rain
26 66 56 45 39 37 35 76 55 34 30.18 30.00 29.90 10 10 10 28 14 37 0.00  
27 71 57 43 49 39 31 83 53 23 30.22 30.17 30.13 10 10 10 22 9 26 0.00  
28 70 59 48 56 51 43 93 66 39 30.22 30.18 30.14 10 6 1 16 5 21 0.45 Rain
29 74 66 58 64 59 55 93 83 73 30.13 30.07 30.01 10 8 4 13 7 16 T Rain
30 88 75 62 67 63 59 93 71 48 30.11 30.08 30.06 10 9 5 15 7 20 0.00  
31 89 76 63 69 63 60 87 68 48 30.11 30.06 30.00 10 10 9 20 7 24 0.00