Weather History for Portsmouth, NH

Change the Weather History Date:

Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 34 °F 15 °F
Mean Temperature 44 °F 28 °F 9 °F
Min Temperature 35 °F 21 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 56 37 22 1157
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 21 °F -11 °F
Precipitation  
Precipitation 0.79 in 0.07 in 0.00 in 2.19 in
Snowdepth 14.0 in 6.8 in 2.0 in -
Wind  
Wind 24 mph 7 mph 0 mph
Gust Wind 33 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.07 in 29.41 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

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

Dec. 14, 2013 Rise Set
Actual Time 7:07 AM EST 4:08 PM EST
Civil Twilight 6:34 AM EST 4:41 PM EST
Nautical Twilight 5:59 AM EST 5:17 PM EST
Astronomical Twilight 5:24 AM EST 5:51 PM EST
Moon 2:31 PM EST (12/14) 4:22 AM EST (12/14)
Length of Visible Light 10h 06m
Length of Day
9h 01m
Waxing Gibbous, 93% of the Moon is Illuminated
Dec 14
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Weather History Calendar

Precipitation Actual month total 2.19 Average Month Total: 4.19
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
37 | 30 0.15
Average:
42 | 27 0.09
Overcast
Actual:
39 | 35 0.00
Average:
41 | 26 0.09
Partly Cloudy
Actual:
46 | 31 0.00
Average:
41 | 26 0.09
Partly Cloudy
Actual:
39 | 28 0.00
Average:
40 | 26 0.09
Rain
Actual:
46 | 25 0.00
Average:
40 | 25 0.09
Snow
Actual:
48 | 33 0.10
Average:
40 | 25 0.10
Snow
Actual:
39 | 26 0.07
Average:
39 | 25 0.10
Partly Cloudy
Actual:
29 | 22 0.00
Average:
39 | 25 0.11
Snow
Actual:
39 | 26 0.17
Average:
39 | 25 0.11
Snow
Actual:
35 | 23 0.00
Average:
39 | 24 0.12
Scattered Clouds
Actual:
31 | 19 0.00
Average:
39 | 24 0.13
Snow
Actual:
23 | 13 0.00
Average:
39 | 24 0.13
Snow
Actual:
25 | 10 0.00
Average:
38 | 24 0.14
Snow
Actual:
15 | 6 0.06
Average:
38 | 23 0.15
Snow
Actual:
32 | 14 0.26
Average:
38 | 23 0.15
Scattered Clouds
Actual:
26 | 8 0.00
Average:
38 | 23 0.16
Snow
Actual:
17 | 1 0.07
Average:
37 | 22 0.16
Partly Cloudy
Actual:
33 | 14 0.00
Average:
37 | 22 0.16
Mostly Cloudy
Actual:
39 | 27 0.00
Average:
37 | 22 0.16
Rain
Actual:
44 | 29 0.00
Average:
36 | 21 0.16
Rain
Actual:
54 | 33 0.00
Average:
36 | 21 0.16
Rain
Actual:
42 | 29 0.18
Average:
36 | 21 0.16
Rain
Actual:
33 | 28 0.26
Average:
35 | 20 0.16
Partly Cloudy
Actual:
33 | 22 0.00
Average:
35 | 20 0.16
Partly Cloudy
Actual:
21 | 9 0.00
Average:
35 | 20 0.16
Snow
Actual:
27 | 15 0.08
Average:
35 | 20 0.16
Partly Cloudy
Actual:
32 | 15 0.00
Average:
34 | 20 0.15
Partly Cloudy
Actual:
42 | 23 0.00
Average:
34 | 19 0.15
Rain
Actual:
38 | 27 0.79
Average:
34 | 19 0.15
Partly Cloudy
Actual:
39 | 12 0.00
Average:
34 | 19 0.15
Partly Cloudy
Actual:
18 | 7 0.00
Average:
33 | 19 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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 37 34 30 36 31 21 100 90 66 30.42 30.20 30.01 10 6 1 8 3 - 0.15 Rain
2 39 37 35 38 36 35 100 99 93 30.01 29.97 29.92 10 6 1 9 6 - 0.00  
3 46 39 31 38 35 29 100 90 62 29.93 29.90 29.86 10 7 1 10 6 - 0.00  
4 39 34 28 30 25 23 93 72 55 30.21 30.08 29.94 10 10 10 9 7 - 0.00  
5 46 36 25 46 38 25 100 96 81 30.23 30.09 29.91 10 4 0 7 3 - 0.00 Fog , Rain
6 48 40 33 48 40 31 100 93 69 30.14 29.98 29.86 10 5 0 14 5 20 0.10 Fog , Rain , Snow
7 39 32 26 33 25 11 100 78 43 30.44 30.21 30.07 10 8 1 20 7 24 0.07 Snow
8 29 26 22 15 11 8 70 54 40 30.58 30.54 30.46 10 10 10 14 6 - 0.00  
9 39 32 26 39 30 12 100 91 51 30.50 30.13 29.86 10 4 1 14 7 25 0.17 Rain , Snow
10 35 30 23 33 28 14 100 88 65 29.95 29.83 29.76 10 8 1 15 7 18 0.00 Snow
11 31 25 19 16 13 10 79 61 41 30.18 30.10 30.00 10 10 10 16 11 23 0.00  
12 23 18 13 18 3 -7 86 54 27 30.26 30.17 30.04 10 10 8 18 9 29 0.00 Snow
13 25 18 10 18 7 -7 80 58 44 30.41 30.08 29.96 10 9 1 13 9 20 0.00 Snow
14 15 10 6 13 4 -11 93 71 34 30.63 30.47 30.25 10 5 0 16 9 - 0.06 Fog , Snow
15 32 23 14 32 19 11 100 89 80 30.18 29.67 29.41 10 4 0 24 14 33 0.26 Fog , Snow
16 26 18 8 15 6 -3 78 55 32 30.21 29.95 29.72 10 10 10 18 8 31 0.00  
17 17 9 1 12 5 -8 93 75 51 30.29 30.14 29.98 10 5 0 16 7 20 0.07 Fog , Snow
18 33 24 14 19 16 10 83 71 48 30.04 29.94 29.87 10 10 8 17 11 - 0.00  
19 39 33 27 22 20 18 70 61 44 30.10 30.03 29.95 10 10 10 13 8 18 0.00  
20 44 36 29 34 29 22 96 75 55 30.12 29.99 29.89 10 10 7 6 2 - 0.00 Rain
21 54 44 33 46 39 33 99 87 61 29.94 29.89 29.84 10 10 6 6 2 - 0.00 Rain
22 42 36 29 43 34 29 100 99 93 30.06 29.93 29.86 10 3 1 16 7 - 0.18 Rain
23 33 30 28 33 31 28 100 99 99 30.11 30.05 29.98 10 3 1 8 5 - 0.26 Rain
24 33 28 22 33 20 10 99 68 48 30.20 30.12 30.06 10 10 10 15 7 26 0.00  
25 21 15 9 7 1 -5 68 52 42 30.55 30.46 30.22 10 10 10 21 10 28 0.00  
26 27 21 15 27 19 5 100 88 62 30.50 30.25 30.07 10 5 0 9 3 - 0.08 Snow
27 32 24 15 21 17 14 99 78 56 30.24 30.21 30.18 10 9 7 12 5 17 0.00  
28 42 32 23 28 23 17 81 67 51 30.18 30.07 29.97 10 10 10 12 7 - 0.00  
29 38 32 27 37 32 25 100 91 71 30.01 29.78 29.46 10 7 1 17 5 21 0.79 Rain
30 39 26 12 35 21 -2 100 74 45 30.18 29.87 29.49 10 10 10 21 10 26 0.00  
31 18 12 7 8 -1 -5 77 55 36 30.19 30.12 30.04 10 10 10 8 5 - 0.00