Plymouth State Climate Summaries
MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2025
NAME: KPLY CITY: Plymouth STATE: NH
ELEV: 613 ft LAT: 43° 48' 00" N LONG: 71° 42' 00" W
TEMPERATURE (°F), RAIN (in), WIND SPEED (mph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
------------------------------------------------------------------------------------
1 64.0 78.6 3:23p 49.3 6:12a 5.1 4.3 0.00 1.9 16 1:21p ENE
2 67.6 79.9 3:32p 55.4 6:20a 2.6 4.8 0.00 2.0 13 2:04p NNE
3 67.0 80.9 3:52p 53.0 6:22a 3.5 5.1 0.00 2.0 15 2:36p NE
4 65.4 78.8 2:30p 52.1 6:16a 3.6 4.5 0.00 3.8 24 12:18p SSE
5 69.7 78.0 5:09p 61.4 4:52a 0.7 5.0 0.06 3.6 18 2:05p SE
6 68.2 77.4 12:28p 59.0 11:22p 1.8 2.5 0.28 3.4 23 2:11p E
7 60.9 67.5 5:02p 54.3 11:38p 4.5 0.2 0.00 2.1 13 3:33p WNW
8 57.2 69.8 4:45p 44.5 6:44a 8.5 0.8 0.00 3.0 16 12:00p WNW
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
-------------------------------------------------------------------------------------
62.7 80.9 3 44.5 8 30.3 27.3 0.34 2.7 24 4 NNE
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.28 ON 09/6/25
Days of Rain: 2 (>.01 in) 1 (>.1 in) 0 (>1 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration
Raw Data Archive
Notes:
- Data from March 9 to March 14 2006 is missing due to an outage. It will be replaced with data from Plymouth Municipal Airport at the beginning of April
- Data from August 1997 - April 2003 and from Sep 2004 - present are from the roof of Boyd Science Center utlizing Davis Instruments Weather Observation Equipment
- Data from May 2003 - Aug 2004 provided by NWS Cooperative Observer due to Boyd Science Center renovation (results tabulated by Michael Nahmias)
- Precipitation during colder months should be viewed suspiciously, especially prior to installation of heater (November 2000)
- Anemometer and wind vane may freeze during colder months, sometimes providing erroneous readings