Guam August 31 Weather Records

Daily averages and all-time records for weather in Guam for the date of August 31.

August 31 All-Time Records
1945–2024

92 °F

70 °F

80 °F

Highest daily low

81 °F

4.33 inches

Most snow

none

August 31 Average Weather
1991–2020 ¹

Average high

87.3 °F

Average low

76.4 °F

Chance precipitation

81.4%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	86	76	1.84	0.0
2022	80	73	1.25	0.0
2021	84	77	0.51	0.0
2020	86	77	0.09	0.0
2019	88	77	0.51	0.0
2018	90	80	0.09	0.0
2017	89	77	0.12	0.0
2016	91	81	0.00	0.0
2015	88	77	0.04	0.0
2014	89	77	0.00	0.0
2013	90	77	0.00	0.0
2012	88	76	0.74	0.0
2011	88	76	0.14	0.0
2010	85	74	0.46	0.0
2009	91	79	0.00	0.0
2008	89	78	0.08	0.0
2007	86	77	0.20	0.0
2006	88	75	0.01	0.0
2005	81	73	4.33	0.0
2004	87	78	0.03	0.0
2003	87	79	0.01	0.0
2002	86	76	0.12	0.0
2001	87	77	1.25	0.0
2000	85	75	0.79	0.0
1999	86	78	0.09	0.0
1998	89	76	0.09	0.0
1997	88	80	0.02	0.0
1996	89	75	0.00	0.0
1995	90	75	1.26	0.0
1994	92	80	0.00	0.0
1993	88	74	0.65	0.0
1992	86	75	1.33	0.0
1991	90	78	0.04	0.0
1990	91	75	0.00	0.0
1989	89	79	0.01	0.0
1988	91	75	0.10	0.0
1987	87	78	0.10	0.0
1986	90	80	0.02	0.0
1985	88	74	0.25	0.0
1984	83	74	0.87	0.0
1983	90	79	0.06	0.0
1982	89	78	0.02	0.0
1981	89	79	0.00	0.0
1980	90	78	0.05	0.0
1979	88	76	0.00	0.0
1978	87	80	0.00	0.0
1977	89	80	0.02	0.0
1976	90	79	0.01	0.0
1975	84	78	0.00	0.0
1974	85	78	0.18	0.0
1973	86	78	0.04	0.0
1972	87	78	0.05	0.0
1971	89	80	0.02	0.0
1970	88	75	0.00	0.0
1969	92	77	0.10	0.0
1968	88	75	0.08	0.0
1967	83	74	0.30	0.0
1966	86	76	0.14	0.0
1965	92	77	0.03	0.0
1964	88	77	0.00	0.0
1963	86	75	0.14	0.0
1962	85	76	1.34	n/a
1961	88	77	0.10	0.0
1960	87	77	0.02	0.0
1959	86	76	0.00	0.0
1958	85	79	0.03	0.0
1957	85	78	0.10	0.0
1956	85	75	0.04	n/a
1955	85	75	0.48	n/a
1954	89	76	0.97	n/a
1953	86	77	0.00	n/a
1952	88	75	0.63	n/a
1951	84	76	0.30	n/a
1950	88	75	0.11	n/a
1949	84	70	1.51	n/a
1948	85	77	0.00	n/a
1947	89	78	0.02	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 8/31?

For the date of Aug 31, the highest temperature ever reached in Guam history is 92 °F which has happened 3 times, most recently in 1994.

Highest Temperatures in Guam on August 31

What's the all-time low for Guam on 8/31?

For the date of Aug 31, the lowest temperature ever reached in Guam history is 70 °F which happened in 1949.

Lowest Temperatures in Guam on August 31

Lowest High Temperatures in Guam on August 31

What's the most it has ever rained in Guam on 8/31?

For the date of Aug 31, the most precipitation ever recorded in Guam history is 4.33 inches which happened in 2005.

All-Time Most Precipitation in Guam on August 31

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location