Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Massachusetts

Average Temperature Rankings, April 2021

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 2021
1-Month		47.8°F
(8.8°C)		44.7°F
(7.1°C)		3.1°F
(1.7°C)		111th Coolest
Coolest since:
1943
19th Warmest
Warmest since:
2010
Ties: 1942
Mar–Apr 2021
2-Month		43.1°F
(6.2°C)		39.5°F
(4.2°C)		3.6°F
(2.0°C)		119th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
1945
Ties: 1977
Feb–Apr 2021
3-Month		37.9°F
(3.3°C)		34.6°F
(1.4°C)		3.3°F
(1.9°C)		112th Coolest
Coolest since:
1916
18th Warmest
Warmest since:
2012
Ties: 1953, 1999
Jan–Apr 2021
4-Month		35.6°F
(2.0°C)		32.0°F
(0.0°C)		3.6°F
(2.0°C)		115th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Dec 2020–Apr 2021
5-Month		35.1°F
(1.7°C)		31.2°F
(-0.4°C)		3.9°F
(2.1°C)		119th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 1949
Nov 2020–Apr 2021
6-Month		36.7°F
(2.6°C)		32.6°F
(0.3°C)		4.1°F
(2.3°C)		122nd Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 1949
Oct 2020–Apr 2021
7-Month		39.0°F
(3.9°C)		35.1°F
(1.7°C)		3.9°F
(2.2°C)		123rd Coolest
Coolest since:
1918
6th Warmest
Warmest since:
2012
Sep 2020–Apr 2021
8-Month		41.9°F
(5.5°C)		38.2°F
(3.4°C)		3.7°F
(2.1°C)		121st Coolest
Coolest since:
1918
8th Warmest
Warmest since:
2012
Aug 2020–Apr 2021
9-Month		45.2°F
(7.3°C)		41.5°F
(5.3°C)		3.7°F
(2.0°C)		122nd Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Jul 2020–Apr 2021
10-Month		48.2°F
(9.0°C)		44.3°F
(6.8°C)		3.9°F
(2.2°C)		124th Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2012
Jun 2020–Apr 2021
11-Month		49.9°F
(9.9°C)		46.1°F
(7.8°C)		3.8°F
(2.1°C)		124th Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2012
May 2020–Apr 2021
12-Month		50.5°F
(10.3°C)		46.9°F
(8.3°C)		3.6°F
(2.0°C)		124th Coolest
Coolest since:
1904, 1918
5th Warmest
Warmest since:
2012
Ties: 2022
Nov 2019–Apr 2021
18-Month		45.6°F
(7.6°C)		42.1°F
(5.6°C)		3.5°F
(2.0°C)		123rd Coolest
Coolest since:
1905
5th Warmest
Warmest since:
2017
Ties: 2012
May 2019–Apr 2021
24-Month		50.0°F
(10.0°C)		46.9°F
(8.3°C)		3.1°F
(1.7°C)		122nd Coolest
Coolest since:
1905
6th Warmest
Warmest since:
2023
May 2018–Apr 2021
36-Month		49.8°F
(9.9°C)		46.9°F
(8.3°C)		2.9°F
(1.6°C)		121st Coolest
Coolest since:
1906
6th Warmest
Warmest since:
2023
May 2017–Apr 2021
48-Month		49.5°F
(9.7°C)		46.9°F
(8.3°C)		2.6°F
(1.4°C)		121st Coolest
Coolest since:
1907
5th Warmest
Warmest since:
2023
Ties: 2012, 2014, 2020
May 2016–Apr 2021
60-Month		49.7°F
(9.8°C)		46.9°F
(8.3°C)		2.8°F
(1.5°C)		122nd Coolest
Coolest since:
1908
3rd Warmest
Warmest since:
2023
Ties: 2022

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