Guam May 20 Weather Records

Daily averages and all-time records for weather in Guam for the date of May 20.

May 20 All-Time Records
1945–2024

92 °F

73 °F

81 °F

Highest daily low

80 °F

3.41 inches

Most snow

none

May 20 Average Weather
1991–2020 ¹

Average high

88.7 °F

Average low

77.8 °F

Chance precipitation

61.4%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	89	78	0.00	0.0
2022	87	75	0.22	0.0
2021	89	76	0.04	0.0
2020	89	80	0.00	0.0
2019	89	77	0.00	0.0
2018	90	79	0.09	0.0
2017	88	79	0.19	0.0
2016	89	80	0.15	0.0
2015	87	77	0.06	0.0
2014	90	79	0.08	0.0
2013	91	77	0.00	0.0
2012	92	79	0.52	0.0
2011	86	76	0.33	0.0
2010	90	80	0.00	0.0
2009	87	78	0.22	0.0
2008	86	74	0.23	0.0
2007	87	76	0.10	0.0
2006	88	76	0.01	0.0
2005	86	75	0.00	0.0
2004	88	77	0.03	0.0
2003	88	77	0.01	0.0
2002	87	78	0.07	0.0
2001	88	78	0.06	0.0
2000	86	77	0.13	0.0
1999	87	77	0.20	0.0
1998	88	75	0.00	0.0
1997	89	79	0.00	0.0
1996	89	77	0.18	0.0
1995	88	77	0.00	0.0
1994	84	75	1.41	0.0
1993	90	74	0.12	0.0
1992	91	76	0.02	0.0
1991	88	75	0.05	0.0
1990	89	79	0.09	0.0
1989	90	79	0.00	0.0
1988	91	80	0.00	0.0
1987	91	78	0.00	0.0
1986	87	76	0.17	0.0
1985	82	75	0.60	0.0
1984	90	78	0.00	0.0
1983	89	79	0.00	0.0
1982	87	76	0.00	0.0
1981	89	79	0.03	0.0
1980	87	79	0.17	0.0
1979	89	78	0.00	0.0
1978	89	78	0.03	0.0
1977	89	76	0.00	0.0
1976	81	74	3.41	0.0
1975	84	79	0.10	0.0
1974	84	78	0.07	0.0
1973	86	78	0.00	0.0
1972	87	74	0.00	0.0
1971	85	77	0.26	0.0
1970	90	79	0.02	0.0
1969	84	76	0.04	0.0
1968	88	77	0.00	0.0
1967	87	77	0.00	0.0
1966	89	77	0.06	0.0
1965	85	73	0.22	0.0
1964	81	75	1.22	0.0
1963	87	75	0.00	0.0
1962	85	77	0.30	0.0
1961	86	77	0.00	0.0
1960	88	76	0.29	0.0
1959	84	77	0.00	0.0
1958	86	78	0.06	0.0
1957	86	77	0.00	0.0
1956	85	75	1.05	n/a
1955	85	76	0.02	n/a
1954	87	76	0.03	n/a
1953	86	75	0.02	n/a
1952	87	78	0.43	n/a
1951	88	75	0.00	n/a
1950	87	78	0.00	n/a
1949	86	77	0.11	n/a
1948	85	76	0.00	n/a
1947	86	78	0.85	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 5/20?

For the date of May 20, the highest temperature ever reached in Guam history is 92 °F which happened in 2012.

Highest Temperatures in Guam on May 20

What's the all-time low for Guam on 5/20?

For the date of May 20, the lowest temperature ever reached in Guam history is 73 °F which happened in 1965.

Lowest Temperatures in Guam on May 20

Lowest High Temperatures in Guam on May 20

What's the most it has ever rained in Guam on 5/20?

For the date of May 20, the most precipitation ever recorded in Guam history is 3.41 inches which happened in 1976.

All-Time Most Precipitation in Guam on May 20

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location