Guam August 15 Weather Records

Daily averages and all-time records for weather in Guam for the date of August 15.

August 15 All-Time Records
1945–2024

91 °F

70 °F

79 °F

Highest daily low

80 °F

9.64 inches

Most snow

none

August 15 Average Weather
1991–2020 ¹

Average high

87.1 °F

Average low

76.5 °F

Chance precipitation

83.8%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	89	75	0.00	0.0
2022	87	79	0.02	0.0
2021	88	77	0.05	0.0
2020	88	77	0.03	0.0
2019	79	76	0.77	0.0
2018	88	77	1.12	0.0
2017	89	79	0.03	0.0
2016	86	75	1.01	0.0
2015	79	75	9.64	0.0
2014	88	77	0.01	0.0
2013	89	75	2.12	0.0
2012	87	75	0.79	0.0
2011	90	78	0.01	0.0
2010	86	76	0.48	0.0
2009	89	78	0.97	0.0
2008	87	77	0.04	0.0
2007	88	76	0.00	0.0
2006	87	76	1.31	0.0
2005	85	74	0.09	0.0
2004	85	75	0.13	0.0
2003	88	79	0.27	0.0
2002	88	75	0.00	0.0
2001	83	76	1.23	0.0
2000	86	76	0.13	0.0
1999	87	78	0.09	0.0
1998	87	79	0.00	0.0
1997	86	78	0.07	0.0
1996	89	75	0.12	0.0
1995	88	74	0.82	0.0
1994	89	77	0.07	0.0
1993	87	78	0.00	0.0
1992	80	71	3.69	0.0
1991	89	78	0.53	0.0
1990	80	74	1.30	0.0
1989	85	70	1.65	0.0
1988	90	76	0.00	0.0
1987	87	76	0.00	0.0
1986	83	74	2.41	0.0
1985	87	77	0.13	0.0
1984	86	72	0.97	0.0
1983	88	78	0.19	0.0
1982	88	78	0.04	0.0
1981	85	75	5.14	0.0
1980	90	80	0.11	0.0
1979	87	76	0.50	0.0
1978	86	78	0.22	0.0
1977	88	78	0.28	0.0
1976	86	77	0.31	0.0
1975	86	77	0.00	0.0
1974	82	75	0.73	0.0
1973	85	76	0.17	0.0
1972	83	75	0.00	0.0
1971	90	80	0.00	0.0
1970	85	76	0.07	0.0
1969	88	78	0.19	0.0
1968	85	73	1.31	0.0
1967	87	76	0.47	0.0
1966	91	79	0.00	0.0
1965	90	76	0.00	0.0
1964	84	76	0.30	0.0
1963	87	78	0.01	0.0
1962	81	74	1.49	n/a
1961	79	74	0.90	0.0
1960	83	75	0.55	0.0
1959	87	77	0.08	0.0
1958	86	78	0.08	0.0
1957	86	78	0.00	0.0
1956	87	78	0.25	n/a
1955	86	79	0.03	n/a
1954	87	76	0.00	n/a
1953	86	74	1.13	n/a
1952	85	74	0.60	n/a
1951	85	75	0.23	n/a
1950	87	77	0.02	n/a
1949	87	74	0.87	n/a
1948	87	77	0.08	n/a
1947	86	74	0.53	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 8/15?

For the date of Aug 15, the highest temperature ever reached in Guam history is 91 °F which happened in 1966.

Highest Temperatures in Guam on August 15

What's the all-time low for Guam on 8/15?

For the date of Aug 15, the lowest temperature ever reached in Guam history is 70 °F which happened in 1989.

Lowest Temperatures in Guam on August 15

Lowest High Temperatures in Guam on August 15

What's the most it has ever rained in Guam on 8/15?

For the date of Aug 15, the most precipitation ever recorded in Guam history is 9.64 inches which happened in 2015.

All-Time Most Precipitation in Guam on August 15

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location