Guam July 20 Weather Records

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

July 20 All-Time Records
1945–2024

93 °F

73 °F

82 °F

Highest daily low

81 °F

4.48 inches

Most snow

none

July 20 Average Weather
1991–2020 ¹

Average high

87.7 °F

Average low

77.0 °F

Chance precipitation

83.0%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	87	80	0.00	0.0
2022	87	77	0.05	0.0
2021	85	77	1.12	0.0
2020	91	78	1.00	0.0
2019	85	78	0.13	0.0
2018	88	80	0.36	0.0
2017	89	80	0.07	0.0
2016	89	77	0.00	0.0
2015	86	75	0.14	0.0
2014	90	76	0.26	0.0
2013	90	78	0.78	0.0
2012	89	77	0.00	0.0
2011	89	77	0.27	0.0
2010	89	77	0.66	0.0
2009	87	78	0.06	0.0
2008	87	74	0.00	0.0
2007	89	76	0.00	0.0
2006	84	77	0.41	0.0
2005	87	78	0.47	0.0
2004	88	76	0.44	0.0
2003	89	79	0.00	0.0
2002	86	73	0.98	0.0
2001	89	74	0.00	0.0
2000	86	75	0.54	0.0
1999	86	76	0.81	0.0
1998	90	78	0.06	0.0
1997	88	79	0.05	0.0
1996	85	75	0.18	0.0
1995	89	78	0.08	0.0
1994	91	79	0.01	0.0
1993	90	79	0.06	0.0
1992	89	76	0.35	0.0
1991	90	75	1.29	0.0
1990	90	76	0.00	0.0
1989	90	74	0.32	0.0
1988	89	79	0.00	0.0
1987	90	75	0.00	0.0
1986	90	74	2.67	0.0
1985	88	75	0.08	0.0
1984	85	77	0.15	0.0
1983	90	78	0.11	0.0
1982	89	78	0.22	0.0
1981	87	78	0.46	0.0
1980	90	76	0.27	0.0
1979	86	78	0.17	0.0
1978	85	74	0.36	0.0
1977	89	80	0.00	0.0
1976	82	76	1.85	0.0
1975	85	78	0.14	0.0
1974	84	78	0.02	0.0
1973	89	78	0.00	0.0
1972	85	77	0.00	0.0
1971	84	76	4.48	0.0
1970	85	76	1.37	0.0
1969	93	81	0.50	0.0
1968	85	76	0.00	0.0
1967	84	74	0.88	0.0
1966	89	79	0.32	0.0
1965	87	76	0.09	0.0
1964	89	78	0.08	0.0
1963	86	75	0.71	0.0
1962	85	77	0.42	0.0
1961	86	77	0.00	0.0
1960	85	77	0.05	0.0
1959	88	77	0.53	0.0
1958	83	76	0.79	0.0
1957	88	79	0.12	0.0
1956	88	78	0.00	n/a
1955	86	77	0.00	n/a
1954	88	77	0.00	n/a
1953	88	75	0.01	n/a
1952	87	76	0.06	n/a
1951	87	77	0.03	n/a
1950	82	74	0.63	n/a
1949	83	74	0.32	n/a
1948	86	79	0.05	n/a
1947	88	76	0.51	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 7/20?

For the date of Jul 20, the highest temperature ever reached in Guam history is 93 °F which happened in 1969.

Highest Temperatures in Guam on July 20

What's the all-time low for Guam on 7/20?

For the date of Jul 20, the lowest temperature ever reached in Guam history is 73 °F which happened in 2002.

Lowest Temperatures in Guam on July 20

Lowest High Temperatures in Guam on July 20

What's the most it has ever rained in Guam on 7/20?

For the date of Jul 20, the most precipitation ever recorded in Guam history is 4.48 inches which happened in 1971.

All-Time Most Precipitation in Guam on July 20

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location