Weather History for Chatham, MA

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 62 °F 52 °F
Mean Temperature 62 °F 55 °F 50 °F
Min Temperature 54 °F 48 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 16 10 4 314
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 5 0 149
Dew Point  
Dew Point 60 °F 47 °F 32 °F
Precipitation  
Precipitation 0.80 in 0.06 in 0.00 in 1.78 in
Snowdepth - - - -
Wind  
Wind 22 mph 7 mph 0 mph
Gust Wind 39 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.02 in 29.56 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. 26, 2014 Rise Set
Actual Time 5:11 AM EDT 8:03 PM EDT
Civil Twilight 4:38 AM EDT 8:36 PM EDT
Nautical Twilight 3:57 AM EDT 9:17 PM EDT
Astronomical Twilight 3:09 AM EDT 10:06 PM EDT
Moon 3:53 AM EDT (5/26) 6:00 PM EDT (5/26)
Length of Visible Light 15h 57m
Length of Day
14h 51m
Waning Crescent, 5% of the Moon is Illuminated
May 26
Waning Crescent
May 28
New
Jun 5
First Quarter
Jun 13
Full
Jun 19
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.78 Average Month Total: 2.87
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
55 | 45 0.80
Average:
56 | 42 0.09
Rain
Actual:
64 | 46 0.07
Average:
56 | 42 0.08
Scattered Clouds
Actual:
64 | 41 0.00
Average:
56 | 42 0.08
Rain
Actual:
61 | 48 0.04
Average:
57 | 43 0.08
Partly Cloudy
Actual:
63 | 48 0.00
Average:
57 | 43 0.08
Scattered Clouds
Actual:
62 | 48 0.00
Average:
57 | 43 0.08
Clear
Actual:
61 | 41 0.00
Average:
57 | 43 0.08
Scattered Clouds
Actual:
62 | 48 0.00
Average:
57 | 44 0.08
Rain
Actual:
57 | 48 0.00
Average:
58 | 44 0.09
Fog
Actual:
61 | 53 0.00
Average:
58 | 44 0.09
Rain
Actual:
71 | 53 0.25
Average:
58 | 44 0.09
Clear
Actual:
73 | 48 0.00
Average:
58 | 44 0.09
Partly Cloudy
Actual:
60 | 46 0.00
Average:
58 | 44 0.09
Partly Cloudy
Actual:
55 | 45 0.00
Average:
59 | 44 0.09
Partly Cloudy
Actual:
66 | 54 0.00
Average:
59 | 44 0.09
Rain
Actual:
68 | 54 0.00
Average:
59 | 45 0.09
Rain
Actual:
64 | 53 0.27
Average:
59 | 45 0.10
Scattered Clouds
Actual:
64 | 48 0.00
Average:
59 | 45 0.10
Rain
Actual:
66 | 48 0.03
Average:
59 | 45 0.10
Rain
Actual:
64 | 48 0.22
Average:
59 | 46 0.10
Fog
Actual:
63 | 46 0.00
Average:
60 | 46 0.10
Rain
Actual:
57 | 48 0.04
Average:
60 | 47 0.10
Partly Cloudy
Actual:
59 | 50 0.00
Average:
60 | 47 0.10
Partly Cloudy
Actual:
57 | 50 0.00
Average:
61 | 47 0.10
Partly Cloudy
Actual:
62 | 51 0.00
Average:
61 | 48 0.10
Rain
Actual:
70 | 54 0.01
Average:
61 | 48 0.10
Rain
Actual:
72 | 51 0.02
Average:
62 | 48 0.10
Rain
Actual:
52 | 46 0.03
Average:
62 | 49 0.10
Scattered Clouds
Actual:
55 | 44 0.00
Average:
62 | 49 0.10
Scattered Clouds
Actual:
61 | 39 0.00
Average:
62 | 49 0.10
Partly Cloudy
Actual:
60 | 50 0.00
Average:
63 | 49 0.10
 

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

2014 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 55 50 45 54 50 44 100 98 93 30.18 29.87 29.69 8 2 0 15 11 25 0.80 Fog , Rain
2 64 54 46 52 45 38 100 79 41 29.83 29.72 29.68 10 7 0 13 6 24 0.07 Fog , Rain
3 64 52 41 45 42 39 96 71 43 29.89 29.84 29.78 10 10 8 10 3 17 0.00  
4 61 54 48 49 43 36 93 70 47 29.76 29.64 29.56 10 9 1 17 9 37 0.04 Rain
5 63 56 48 43 41 37 77 62 41 29.84 29.74 29.61 10 10 10 13 7 21 0.00  
6 62 54 48 43 38 32 69 53 36 30.02 29.90 29.85 10 10 10 8 5 - 0.00  
7 61 50 41 43 38 34 86 60 38 30.23 30.17 30.04 10 10 10 9 4 - 0.00  
8 62 54 48 52 48 42 97 80 62 30.21 30.18 30.13 10 10 10 13 6 18 0.00  
9 57 52 48 50 46 35 100 85 45 30.26 30.20 30.13 10 7 0 10 3 23 0.00 Fog , Rain
10 61 56 53 58 52 48 100 88 78 30.13 29.92 29.84 10 7 0 14 11 24 0.00 Fog
11 71 62 53 58 50 44 97 72 39 30.04 29.94 29.82 10 9 2 13 8 22 0.25 Rain
12 73 60 48 53 47 38 87 63 30 30.13 30.08 30.04 10 10 9 13 5 24 0.00  
13 60 52 46 52 42 40 83 78 71 30.35 30.26 30.07 10 10 10 21 11 29 0.00  
14 55 50 45 51 46 40 90 84 75 30.37 30.34 30.32 10 10 10 12 7 18 0.00  
15 66 60 54 56 53 51 93 81 68 30.34 30.31 30.28 10 10 10 15 7 24 0.00  
16 68 60 54 56 54 52 97 86 70 30.26 30.16 30.06 10 9 7 15 10 25 0.00 Rain
17 64 60 53 60 56 46 100 92 58 30.06 29.97 29.93 10 6 1 22 12 39 0.27 Rain
18 64 56 48 50 47 41 89 71 52 30.09 30.06 30.03 10 10 10 12 5 21 0.00  
19 66 57 48 48 42 35 89 63 32 30.07 30.03 30.00 10 10 8 14 5 24 0.03 Rain
20 64 55 48 51 48 45 100 81 53 29.99 29.98 29.96 10 8 4 13 9 21 0.22 Rain
21 63 54 46 52 49 46 100 90 70 30.01 29.99 29.96 10 7 0 10 3 - 0.00 Fog
22 57 52 48 50 48 46 100 91 77 29.99 29.94 29.90 10 6 0 12 4 - 0.04 Fog , Rain
23 59 54 50 49 48 47 92 82 67 29.97 29.93 29.90 10 10 10 12 5 17 0.00  
24 57 54 50 49 47 45 93 80 67 30.06 29.98 29.92 10 10 10 14 8 24 0.00  
25 62 56 51 51 47 44 86 73 58 30.12 30.09 30.05 10 10 10 9 3 - 0.00  
26 70 60 54 58 55 51 97 85 65 30.07 29.97 29.84 10 9 2 15 9 29 0.01 Rain
27 72 61 51 60 53 49 100 86 63 29.94 29.88 29.82 10 8 4 15 7 22 0.02 Rain
28 52 50 46 51 48 43 100 93 86 30.18 30.00 29.87 10 5 1 21 13 32 0.03 Rain
29 55 50 44 45 44 42 93 80 62 30.24 30.21 30.17 10 10 10 12 6 - 0.00  
30 61 50 39 48 43 33 97 79 35 30.17 30.09 30.05 10 10 9 8 2 - 0.00  
31 60 54 50 50 47 45 94 79 62 30.25 30.15 30.05 10 10 10 17 7 30 0.00