Guam August 17 Weather Records

Daily averages and all-time records for weather in Guam for the date of August 17.

August 17 All-Time Records
1945–2024

91 °F

73 °F

80 °F

Highest daily low

80 °F

3.09 inches

Most snow

none

August 17 Average Weather
1991–2020 ¹

Average high

87.2 °F

Average low

76.5 °F

Chance precipitation

83.0%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	86	76	0.31	0.0
2022	82	74	0.79	0.0
2021	82	75	0.55	0.0
2020	90	77	0.00	0.0
2019	88	75	0.59	0.0
2018	90	80	0.04	0.0
2017	90	78	0.12	0.0
2016	86	80	0.21	0.0
2015	86	78	0.00	0.0
2014	87	75	0.63	0.0
2013	89	76	0.00	0.0
2012	84	75	0.20	0.0
2011	86	75	0.70	0.0
2010	88	79	0.00	0.0
2009	88	78	0.00	0.0
2008	87	76	0.18	0.0
2007	89	76	0.09	0.0
2006	86	77	0.00	0.0
2005	88	74	0.00	0.0
2004	84	76	1.15	0.0
2003	80	74	3.09	0.0
2002	85	76	0.85	0.0
2001	85	77	0.07	0.0
2000	85	75	0.56	0.0
1999	87	76	0.01	0.0
1998	87	76	0.19	0.0
1997	85	74	0.23	0.0
1996	90	78	0.00	0.0
1995	88	75	0.21	0.0
1994	89	75	0.14	0.0
1993	87	78	0.13	0.0
1992	89	75	0.00	0.0
1991	86	75	0.42	0.0
1990	81	73	0.58	0.0
1989	89	75	0.87	0.0
1988	90	75	0.05	0.0
1987	90	79	0.14	0.0
1986	89	76	0.40	0.0
1985	89	77	0.12	0.0
1984	87	74	1.09	0.0
1983	88	79	0.31	0.0
1982	90	78	0.07	0.0
1981	87	75	0.14	0.0
1980	89	78	0.45	0.0
1979	84	73	1.80	0.0
1978	86	79	1.03	0.0
1977	87	79	0.52	0.0
1976	85	76	0.01	0.0
1975	84	79	0.00	0.0
1974	85	75	0.05	0.0
1973	87	77	0.00	0.0
1972	85	78	0.17	0.0
1971	88	80	0.05	0.0
1970	90	76	0.02	0.0
1969	91	76	0.00	0.0
1968	86	74	0.78	0.0
1967	85	77	0.33	0.0
1966	91	78	0.00	0.0
1965	88	76	0.07	0.0
1964	91	77	0.05	0.0
1963	88	78	0.00	0.0
1962	86	78	0.19	n/a
1961	85	77	0.00	0.0
1960	84	75	0.05	0.0
1959	86	76	0.03	0.0
1958	87	75	0.41	0.0
1957	89	76	0.00	0.0
1956	86	77	0.38	n/a
1955	88	78	0.15	n/a
1954	86	77	0.13	n/a
1953	84	74	0.54	n/a
1952	86	77	0.17	n/a
1951	88	77	0.00	n/a
1950	86	75	0.19	n/a
1949	87	77	0.01	n/a
1948	83	75	0.12	n/a
1947	88	78	0.03	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 8/17?

For the date of Aug 17, the highest temperature ever reached in Guam history is 91 °F which has happened 3 times, most recently in 1969.

Highest Temperatures in Guam on August 17

What's the all-time low for Guam on 8/17?

For the date of Aug 17, the lowest temperature ever reached in Guam history is 73 °F which has happened 2 times, most recently in 1990.

Lowest Temperatures in Guam on August 17

Lowest High Temperatures in Guam on August 17

What's the most it has ever rained in Guam on 8/17?

For the date of Aug 17, the most precipitation ever recorded in Guam history is 3.09 inches which happened in 2003.

All-Time Most Precipitation in Guam on August 17

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location