Weather History for Westfield, MA

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 73 °F 48 °F
Mean Temperature 79 °F 59 °F 46 °F
Min Temperature 66 °F 47 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 19 7 0 217
Cooling Degree Days (base 65) 14 1 0 44
Growing Degree Days (base 50) 29 10 0 311
Dew Point  
Dew Point 71 °F 47 °F 21 °F
Precipitation  
Precipitation 1.73 in 0.18 in 0.00 in 5.46 in
Snowdepth - - - -
Wind  
Wind 24 mph 5 mph 0 mph
Gust Wind 38 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.05 in 29.61 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. 20, 2013 Rise Set
Actual Time 5:25 AM EDT 8:10 PM EDT
Civil Twilight 4:52 AM EDT 8:42 PM EDT
Nautical Twilight 4:11 AM EDT 9:24 PM EDT
Astronomical Twilight 3:24 AM EDT 10:11 PM EDT
Moon 3:09 PM EDT (5/20) 2:24 AM EDT (5/20)
Length of Visible Light 15h 50m
Length of Day
14h 45m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Weather History Calendar

Precipitation Actual month total 5.46 Average Month Total: 2.83
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
75 | 35 0.00
Average:
64 | 40 0.06
Scattered Clouds
Actual:
82 | 41 0.00
Average:
65 | 41 0.06
Clear
Actual:
69 | 44 0.00
Average:
65 | 41 0.06
Clear
Actual:
73 | 41 0.00
Average:
65 | 42 0.07
Clear
Actual:
73 | 35 0.00
Average:
65 | 42 0.07
Partly Cloudy
Actual:
73 | 37 0.00
Average:
66 | 42 0.07
Fog
Actual:
80 | 42 0.00
Average:
66 | 42 0.07
Rain
Actual:
73 | 55 0.39
Average:
66 | 42 0.07
Thunderstorm
Actual:
68 | 55 0.04
Average:
66 | 42 0.07
Rain
Actual:
80 | 50 0.01
Average:
66 | 42 0.08
Rain
Actual:
68 | 59 0.26
Average:
66 | 42 0.08
Rain
Actual:
70 | 48 0.00
Average:
66 | 42 0.08
Partly Cloudy
Actual:
57 | 37 0.00
Average:
66 | 42 0.08
Partly Cloudy
Actual:
59 | 36 0.00
Average:
66 | 42 0.09
Rain
Actual:
63 | 30 0.04
Average:
66 | 43 0.09
Fog
Actual:
84 | 44 0.00
Average:
66 | 43 0.10
Clear
Actual:
73 | 45 0.00
Average:
66 | 43 0.10
Scattered Clouds
Actual:
73 | 39 0.00
Average:
66 | 44 0.10
Rain
Actual:
63 | 45 0.25
Average:
66 | 44 0.11
Partly Cloudy
Actual:
84 | 55 0.01
Average:
66 | 45 0.11
Thunderstorm
Actual:
91 | 57 0.07
Average:
66 | 45 0.11
Thunderstorm
Actual:
78 | 55 0.45
Average:
67 | 45 0.11
Thunderstorm
Actual:
73 | 66 1.73
Average:
67 | 46 0.11
Rain
Actual:
66 | 46 0.29
Average:
67 | 46 0.11
Rain
Actual:
48 | 44 0.57
Average:
68 | 47 0.11
Rain
Actual:
57 | 42 0.02
Average:
68 | 47 0.11
Clear
Actual:
73 | 39 0.00
Average:
68 | 47 0.11
Partly Cloudy
Actual:
73 | 41 0.00
Average:
68 | 47 0.11
Thunderstorm
Actual:
80 | 57 1.32
Average:
69 | 48 0.11
Thunderstorm
Actual:
91 | 60 0.01
Average:
69 | 48 0.11
Fog
Actual:
96 | 62 0.00
Average:
69 | 48 0.11
 

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 75 54 35 43 33 23 92 47 19 30.48 30.42 30.35 10 10 10 16 2 20 0.00  
2 82 61 41 41 37 29 93 48 19 30.46 30.40 30.27 10 10 9 16 2 21 0.00  
3 69 56 44 43 37 30 71 49 33 30.51 30.43 30.35 10 10 10 13 6 17 0.00  
4 73 57 41 44 36 21 93 50 17 30.38 30.30 30.23 10 10 4 10 3 21 0.00  
5 73 53 35 42 33 26 82 51 21 30.33 30.27 30.19 10 10 10 10 3 - 0.00  
6 73 55 37 48 41 37 100 70 31 30.31 30.23 30.12 10 8 1 13 3 - 0.00  
7 80 61 42 55 46 41 100 74 26 30.18 30.15 30.06 10 7 0 14 2 16 0.00 Fog
8 73 64 55 61 58 53 97 85 55 30.17 30.09 30.03 10 8 2 15 4 26 0.39 Rain
9 68 62 55 59 56 53 100 88 60 30.02 29.95 29.87 10 6 0 10 1 - 0.04 Fog , Rain , Thunderstorm
10 80 64 50 57 53 48 100 85 37 29.98 29.93 29.89 10 4 0 12 1 - 0.01 Fog , Rain
11 68 64 59 62 59 54 100 89 72 29.88 29.76 29.68 10 6 2 21 9 28 0.26 Rain
12 70 60 48 61 47 24 100 68 32 29.86 29.68 29.61 10 9 4 21 4 29 0.00 Rain
13 57 46 37 33 27 24 82 47 31 30.08 29.98 29.87 10 10 10 16 9 22 0.00  
14 59 47 36 35 28 24 93 49 27 30.09 30.05 30.02 10 10 10 15 6 22 0.00  
15 63 46 30 52 38 28 100 81 41 30.08 29.94 29.69 10 7 0 23 3 31 0.04 Fog , Rain
16 84 63 44 49 42 31 100 69 16 29.82 29.71 29.66 10 5 0 21 3 30 0.00 Fog
17 73 58 45 42 38 31 83 49 24 30.22 30.04 29.83 10 10 10 18 7 23 0.00  
18 73 56 39 46 42 37 93 59 28 30.32 30.27 30.23 10 10 10 17 4 17 0.00  
19 63 54 45 56 52 43 100 85 68 30.35 30.29 30.20 10 8 2 9 5 - 0.25 Rain
20 84 70 55 65 58 55 100 84 44 30.18 30.05 29.92 10 7 1 9 2 - 0.01  
21 91 74 57 69 61 53 100 88 40 29.97 29.92 29.80 10 4 0 14 2 25 0.07 Fog , Rain , Thunderstorm
22 78 66 55 67 59 52 96 86 69 29.98 29.90 29.82 10 8 3 13 6 26 0.45 Rain , Thunderstorm
23 73 69 66 69 65 64 96 92 83 29.88 29.84 29.76 10 4 0 13 8 21 1.73 Fog , Rain , Thunderstorm
24 66 56 46 63 54 43 96 85 67 29.90 29.77 29.65 10 9 2 20 9 25 0.29 Rain
25 48 46 44 45 42 37 93 84 73 29.87 29.83 29.81 10 9 5 24 12 30 0.57 Rain
26 57 48 42 45 40 37 92 71 57 30.15 29.96 29.82 10 10 9 23 11 31 0.02 Rain
27 73 56 39 44 36 30 93 53 20 30.19 30.15 30.10 10 10 10 18 7 30 0.00  
28 73 56 41 56 46 38 93 66 32 30.24 30.19 30.15 10 10 5 13 3 - 0.00  
29 80 68 57 68 61 55 100 90 66 30.16 30.07 29.98 10 6 1 17 5 38 1.32 Rain , Thunderstorm
30 91 75 60 71 64 61 100 84 42 30.11 30.06 30.02 10 5 0 12 3 - 0.01 Fog , Thunderstorm
31 96 79 62 70 64 52 100 81 22 30.11 30.06 29.95 10 4 0 13 1 16 0.00 Fog