Guam April 20 Weather Records

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

April 20 All-Time Records
1945–2024

91 °F

72 °F

82 °F

Highest daily low

81 °F

1.71 inches

Most snow

none

April 20 Average Weather
1991–2020 ¹

Average high

88.2 °F

Average low

77.1 °F

Chance precipitation

64.1%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	89	79	0.00	0.0
2023	86	78	0.00	0.0
2022	87	77	0.05	0.0
2021	89	75	0.01	0.0
2020	89	79	0.13	0.0
2019	89	76	0.00	0.0
2018	89	78	0.00	0.0
2017	90	79	0.07	0.0
2016	89	80	0.04	0.0
2015	88	76	0.02	0.0
2014	88	81	0.00	0.0
2013	90	79	0.02	0.0
2012	89	79	0.00	0.0
2011	87	80	0.00	0.0
2010	87	79	0.00	0.0
2009	88	77	0.05	0.0
2008	88	78	0.18	0.0
2007	88	78	0.11	0.0
2006	89	79	0.00	0.0
2005	88	78	0.50	0.0
2004	87	79	0.20	0.0
2003	87	77	0.07	0.0
2002	89	76	0.08	0.0
2001	89	78	0.01	0.0
2000	89	77	0.00	0.0
1999	88	79	0.00	0.0
1998	88	77	0.07	0.0
1997	86	77	0.03	0.0
1996	88	78	0.00	0.0
1995	88	77	0.00	0.0
1994	88	75	0.12	0.0
1993	87	74	0.12	0.0
1992	89	74	0.01	0.0
1991	88	75	0.03	0.0
1990	90	78	0.00	0.0
1989	82	76	1.68	0.0
1988	89	76	0.21	0.0
1987	91	76	0.01	0.0
1986	86	75	0.32	0.0
1985	91	78	0.00	0.0
1984	91	78	0.00	0.0
1983	90	76	0.00	0.0
1982	90	77	0.00	0.0
1981	87	77	0.47	0.0
1980	86	77	0.22	0.0
1979	85	76	0.26	0.0
1978	87	75	0.00	0.0
1977	84	78	0.00	0.0
1976	83	76	0.26	0.0
1975	84	77	0.01	0.0
1974	86	79	0.10	0.0
1973	86	76	0.00	0.0
1972	85	72	0.00	0.0
1971	89	76	0.66	0.0
1970	85	78	0.09	0.0
1969	87	75	0.00	0.0
1968	85	73	0.00	0.0
1967	86	74	0.66	0.0
1966	90	78	0.00	0.0
1965	88	74	0.00	0.0
1964	86	74	1.71	0.0
1963	88	76	0.04	0.0
1962	85	77	0.21	0.0
1961	86	76	0.00	0.0
1960	87	79	0.00	0.0
1959	83	77	0.00	0.0
1958	85	75	0.08	0.0
1957	87	77	0.18	0.0
1956	83	75	0.11	n/a
1955	84	75	0.09	n/a
1954	88	77	0.01	n/a
1953	85	76	0.02	n/a
1952	86	77	0.00	n/a
1951	85	73	0.19	n/a
1950	87	74	0.02	n/a
1949	83	73	0.14	n/a
1948	90	77	0.00	n/a
1947	n/a	n/a	n/a	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 4/20?

For the date of Apr 20, the highest temperature ever reached in Guam history is 91 °F which has happened 3 times, most recently in 1987.

Highest Temperatures in Guam on April 20

What's the all-time low for Guam on 4/20?

For the date of Apr 20, the lowest temperature ever reached in Guam history is 72 °F which happened in 1972.

Lowest Temperatures in Guam on April 20

Lowest High Temperatures in Guam on April 20

What's the most it has ever rained in Guam on 4/20?

For the date of Apr 20, the most precipitation ever recorded in Guam history is 1.71 inches which happened in 1964.

All-Time Most Precipitation in Guam on April 20

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location