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City Data Info
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Boston, Massachusetts

Average Temperature Rankings, December 1989

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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1989
1-Month
21.2°F
(-6.0°C)
34.8°F
(1.6°C)
-13.6°F
(-7.6°C)
1st Coolest
Coolest since:
1989
87th Warmest
Warmest since:
2015
Nov–Dec 1989
2-Month
31.7°F
(-0.2°C)
39.8°F
(4.3°C)
-8.1°F
(-4.5°C)
1st Coolest
Coolest since:
1989
87th Warmest
Warmest since:
2015
Oct–Dec 1989
3-Month
39.4°F
(4.1°C)
44.5°F
(6.9°C)
-5.1°F
(-2.8°C)
2nd Coolest
Coolest since:
1976
86th Warmest
Warmest since:
2011, 2015
Sep–Dec 1989
4-Month
45.6°F
(7.6°C)
49.6°F
(9.8°C)
-4.0°F
(-2.2°C)
3rd Coolest
Coolest since:
1976
85th Warmest
Warmest since:
2015
Ties: 1955
Aug–Dec 1989
5-Month
50.7°F
(10.4°C)
54.1°F
(12.3°C)
-3.4°F
(-1.9°C)
4th Coolest
Coolest since:
1976
84th Warmest
Warmest since:
2015
Ties: 1943
Jul–Dec 1989
6-Month
54.3°F
(12.4°C)
57.4°F
(14.1°C)
-3.1°F
(-1.7°C)
5th Coolest
Coolest since:
1962, 1976
83rd Warmest
Warmest since:
2011
Jun–Dec 1989
7-Month
56.1°F
(13.4°C)
58.8°F
(14.9°C)
-2.7°F
(-1.5°C)
7th Coolest
Coolest since:
1962
81st Warmest
Warmest since:
2011
Ties: 1974
May–Dec 1989
8-Month
56.5°F
(13.6°C)
58.7°F
(14.8°C)
-2.2°F
(-1.2°C)
11th Coolest
Coolest since:
1940, 1962
77th Warmest
Warmest since:
2011
Ties: 1939
Apr–Dec 1989
9-Month
55.2°F
(12.9°C)
57.5°F
(14.2°C)
-2.3°F
(-1.3°C)
9th Coolest
Coolest since:
1940
79th Warmest
Warmest since:
2011
Ties: 1943, 1992
Mar–Dec 1989
10-Month
53.4°F
(11.9°C)
55.6°F
(13.1°C)
-2.2°F
(-1.2°C)
12th Coolest
Coolest since:
1940
76th Warmest
Warmest since:
2010, 2011, 2021
Ties: 1978
Feb–Dec 1989
11-Month
51.3°F
(10.7°C)
53.5°F
(11.9°C)
-2.2°F
(-1.2°C)
13th Coolest
Coolest since:
1940, 1967
75th Warmest
Warmest since:
2012
Ties: 1956
Jan–Dec 1989
12-Month
49.8°F
(9.9°C)
51.4°F
(10.8°C)
-1.6°F
(-0.9°C)
22nd Coolest
Coolest since:
1940
66th Warmest
Warmest since:
2020
Ties: 1961, 1970, 1982
Jul 1988–Dec 1989
18-Month
52.1°F
(11.2°C)
53.3°F
(11.8°C)
-1.2°F
(-0.6°C)
32nd Coolest
Coolest since:
1940
55th Warmest
Warmest since:
2012
Ties: 1947, 1955, 1966, 1971, 1975, 1992
Jan 1988–Dec 1989
24-Month
50.3°F
(10.2°C)
51.3°F
(10.7°C)
-1.0°F
(-0.5°C)
40th Coolest
Coolest since:
1940
47th Warmest
Warmest since:
2021
Ties: 1957
Jan 1987–Dec 1989
36-Month
50.2°F
(10.1°C)
51.3°F
(10.7°C)
-1.1°F
(-0.6°C)
33rd Coolest
Coolest since:
1940, 1941
53rd Warmest
Warmest since:
2022
Ties: 1959, 1961, 1981, 1987
Jan 1986–Dec 1989
48-Month
50.2°F
(10.1°C)
51.2°F
(10.7°C)
-1.0°F
(-0.6°C)
34th Coolest
Coolest since:
1942
51st Warmest
Warmest since:
2013, 2022
Ties: 1957, 1960
Jan 1985–Dec 1989
60-Month
50.3°F
(10.2°C)
51.3°F
(10.7°C)
-1.0°F
(-0.5°C)
34th Coolest
Coolest since:
1943
50th Warmest
Warmest since:
2022
Ties: 1977

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