Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2020. For more information, please see Climatological Rankings.


Massachusetts

Average Temperature Rankings, September 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1999
1-Month
64.3°F
(17.9°C)
60.4°F
(15.8°C)
3.9°F
(2.1°C)
116th Coolest Coolest since: 1998 1917
10th Warmest Warmest since: 1961 1961
Aug–Sep 1999
2-Month
66.4°F
(19.1°C)
64.0°F
(17.8°C)
2.4°F
(1.3°C)
110th Coolest Coolest since: 1997 1903
16th Warmest Warmest since: 1998 2018
Ties: 2007
Jul–Sep 1999
3-Month
68.6°F
(20.3°C)
65.9°F
(18.8°C)
2.7°F
(1.5°C)
117th Coolest Coolest since: 1998 1902
9th Warmest Warmest to Date 2018
Jun–Sep 1999
4-Month
68.5°F
(20.3°C)
65.5°F
(18.6°C)
3.0°F
(1.7°C)
121st Coolest Coolest since: 1998 1903
5th Warmest Warmest to Date 2018
May–Sep 1999
5-Month
66.3°F
(19.1°C)
63.6°F
(17.6°C)
2.7°F
(1.5°C)
120th Coolest Coolest since: 1998 1902, 1903, 1927
6th Warmest Warmest to Date 2018
Apr–Sep 1999
6-Month
63.0°F
(17.2°C)
60.4°F
(15.8°C)
2.6°F
(1.4°C)
120th Coolest Coolest since: 1998 1907, 1926
6th Warmest Warmest to Date 2010
Ties: 2016
Mar–Sep 1999
7-Month
59.2°F
(15.1°C)
56.7°F
(13.7°C)
2.5°F
(1.4°C)
122nd Coolest Coolest since: 1998 1926
4th Warmest Warmest to Date 2010
Ties: 2011, 2018
Feb–Sep 1999
8-Month
55.6°F
(13.1°C)
52.7°F
(11.5°C)
2.9°F
(1.6°C)
119th Coolest Coolest since: 1997 1926
7th Warmest Warmest since: 1998 2012
Jan–Sep 1999
9-Month
52.3°F
(11.3°C)
49.5°F
(9.7°C)
2.8°F
(1.6°C)
118th Coolest Coolest since: 1997 1904
8th Warmest Warmest since: 1998 2012
Ties: 1991, 2017
Dec 1998–Sep 1999
10-Month
50.6°F
(10.3°C)
47.3°F
(8.5°C)
3.3°F
(1.8°C)
119th Coolest Coolest since: 1997 1904
6th Warmest Warmest since: 1998 2012
Nov 1998–Sep 1999
11-Month
49.7°F
(9.8°C)
46.6°F
(8.1°C)
3.1°F
(1.7°C)
118th Coolest Coolest since: 1998 1904
7th Warmest Warmest since: 1991 2012
Oct 1998–Sep 1999
12-Month
49.8°F
(9.9°C)
46.9°F
(8.3°C)
2.9°F
(1.6°C)
119th Coolest Coolest since: 1998 1905
6th Warmest Warmest since: 1991 2012
Ties: 1949, 2018
Apr 1998–Sep 1999
18-Month
54.0°F
(12.2°C)
51.4°F
(10.8°C)
2.6°F
(1.4°C)
118th Coolest Coolest since: 1998 1918
7th Warmest Warmest to Date 2012
Ties: 2018
Oct 1997–Sep 1999
24-Month
49.7°F
(9.8°C)
46.9°F
(8.3°C)
2.8°F
(1.5°C)
120th Coolest Coolest since: 1998 1905
4th Warmest Warmest to Date 2013
Ties: 2018
Oct 1996–Sep 1999
36-Month
49.0°F
(9.4°C)
46.9°F
(8.3°C)
2.1°F
(1.1°C)
114th Coolest Coolest since: 1998 1905
9th Warmest Warmest to Date 2012
Ties: 2010
Oct 1995–Sep 1999
48-Month
48.5°F
(9.2°C)
46.9°F
(8.3°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1998 1907
17th Warmest Warmest to Date 2013
Oct 1994–Sep 1999
60-Month
48.6°F
(9.2°C)
46.9°F
(8.3°C)
1.7°F
(0.9°C)
109th Coolest Coolest since: 1998 1907, 1908
12th Warmest Warmest to Date 2013
Ties: 2001, 2003, 2008, 2009

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 20, 2020 from https://www.ncdc.noaa.gov/cag/