Bangor May 21 Weather Records

Daily averages and all-time records for weather in Bangor, Maine for the date of May 21.

May 21 All-Time Records 1925–2024
Highest temperature	92 °F	1992
Lowest temperature	32 °F	1939
Lowest daily high	46 °F	1990
Highest daily low	57 °F	1931
Most precipitation	1.11 inches	1973
Most snow	none	-

May 21 All-Time Records
1925–2024

Highest temperature

92 °F

32 °F

46 °F

Highest daily low

57 °F

1931

Most precipitation

1.11 inches

1973

Most snow

none

May 21 Average Weather 1991–2020 ¹
Average high	66.8 °F
Average low	44.4 °F
Chance precipitation	40.3%
Chance snow	0.1%

May 21 Average Weather
1991–2020 ¹

Average high

66.8 °F

Average low

44.4 °F

Chance precipitation

40.3%

Chance snow

0.1%

Bangor May 21 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	72	53	0.58	0.0
2022	65	50	0.00	0.0
2021	75	52	0.02	0.0
2020	81	46	0.00	0.0
2019	61	47	0.00	0.0
2018	78	46	0.00	0.0
2017	71	35	0.00	0.0
2016	79	44	0.00	0.0
2015	69	37	0.00	0.0
2014	64	51	0.00	0.0
2013	55	48	0.11	0.0
2012	77	52	0.00	0.0
2011	68	49	0.01	0.0
2010	72	45	0.00	0.0
2009	89	45	0.00	0.0
2008	64	44	0.03	0.0
2007	60	39	0.06	0.0
2006	63	48	0.14	0.0
2005	56	44	0.08	0.0
2004	76	48	0.08	0.0
2003	70	55	0.01	0.0
2002	60	38	0.03	0.0
2001	71	44	0.00	n/a
2000	61	47	0.14	0.0
1999	58	50	0.44	0.0
1998	75	47	0.00	0.0
1997	64	38	0.00	0.0
1996	75	50	0.22	0.0
1995	79	40	0.00	0.0
1994	79	36	0.00	0.0
1993	65	43	0.00	0.0
1992	92	46	0.00	0.0
1991	83	45	0.00	0.0
1990	46	41	0.10	0.0
1989	74	53	0.00	0.0
1988	74	49	0.00	0.0
1987	69	42	0.00	0.0
1986	73	56	0.00	0.0
1985	75	54	0.05	0.0
1984	74	48	0.00	0.0
1983	72	54	0.00	0.0
1982	63	44	0.00	0.0
1981	72	38	0.00	0.0
1980	64	43	0.00	0.0
1979	63	52	0.07	0.0
1978	58	44	0.26	0.0
1977	75	46	0.00	0.0
1976	60	40	0.18	0.0
1975	76	56	0.00	0.0
1974	65	34	0.00	0.0
1973	51	48	1.11	0.0
1972	79	50	0.03	0.0
1971	68	51	0.01	0.0
1970	67	46	0.00	0.0
1969	62	41	0.00	0.0
1968	61	43	0.08	0.0
1967	59	39	0.00	0.0
1966	74	51	0.00	0.0
1965	66	40	0.00	0.0
1964	61	35	0.00	0.0
1963	66	44	0.00	0.0
1962	63	47	0.17	0.0
1961	59	40	0.01	0.0
1960	73	46	0.00	0.0
1959	74	53	0.14	0.0
1958	63	46	0.15	0.0
1957	70	43	0.00	0.0
1956	59	40	0.00	0.0
1955	72	39	0.00	0.0
1954	58	48	0.39	0.0
1953	69	44	0.00	0.0
1952	n/a	n/a	0.27	0.0
1951	n/a	n/a	0.00	0.0
1950	n/a	n/a	0.00	0.0
1949	70	53	0.00	0.0
1948	n/a	34	0.00	n/a
1947	66	40	0.04	n/a
1946	62	51	0.19	n/a
1945	60	36	0.02	n/a
1944	72	37	n/a	n/a
1943	55	42	0.00	n/a
1942	72	54	0.17	n/a
1941	80	42	n/a	n/a
1940	52	n/a	0.01	n/a
1939	68	32	n/a	n/a
1938	67	46	0.46	n/a
1937	69	42	0.12	n/a
1936	55	33	0.00	0.0
1935	63	39	0.00	0.0
1934	79	44	0.00	0.0
1933	80	47	0.00	0.0
1932	78	52	0.45	0.0
1931	78	57	0.12	0.0
1930	66	45	0.07	0.0
1929	58	34	0.13	0.0
1928	55	51	1.09	0.0
1927	60	33	0.23	0.0
1926	65	33	0.00	0.0

What's the all-time high for Bangor on 5/21?

For the date of May 21, the highest temperature ever reached in Bangor history is 92 °F which happened in 1992.

Highest Temperatures in Bangor on May 21

Rank	Temperature	Year
1	92 °F	1992
2	89 °F	2009
3	83 °F	1991
4	81 °F	2020
5	80 °F	1941
5	80 °F	1933
7	79 °F	2016
7	79 °F	1972
7	79 °F	1995
7	79 °F	1994
7	79 °F	1934

What's the all-time low for Bangor on 5/21?

For the date of May 21, the lowest temperature ever reached in Bangor history is 32 °F which happened in 1939.

Lowest Temperatures in Bangor on May 21

Rank	Temperature	Year
1	32 °F	1939
2	33 °F	1936
2	33 °F	1927
2	33 °F	1926
5	34 °F	1948
5	34 °F	1929
5	34 °F	1974
8	35 °F	2017
8	35 °F	1964
10	36 °F	1994
10	36 °F	1945

Lowest High Temperatures in Bangor on May 21

Rank	Temperature	Year
1	46 °F	1990
2	51 °F	1973
3	52 °F	1940
4	55 °F	1936
4	55 °F	2013
4	55 °F	1943
4	55 °F	1928
8	56 °F	2005
9	58 °F	1978
9	58 °F	1954
9	58 °F	1999
9	58 °F	1929

What's the most it has ever rained in Bangor on 5/21?

For the date of May 21, the most precipitation ever recorded in Bangor history is 1.11 inches which happened in 1973.

All-Time Most Precipitation in Bangor on May 21

Rank	Precipitation	Year
1	1.11 inches	1973
2	1.09 inches	1928
3	0.58 inches	2023
4	0.46 inches	1938
5	0.45 inches	1932
6	0.44 inches	1999
7	0.39 inches	1954
8	0.27 inches	1952
9	0.26 inches	1978
10	0.23 inches	1927

Weather Station Details

Years	Station	Coordinates
1953–2024	Bangor International Airport	location
1925–1952	Bangor	location