Guam June 18 Weather Records

Daily averages and all-time records for weather in Guam for the date of June 18.

June 18 All-Time Records
1945–2024

93 °F

72 °F

84 °F

Highest daily low

82 °F

0.93 inches

Most snow

none

June 18 Average Weather
1991–2020 ¹

Average high

88.7 °F

Average low

78.1 °F

Chance precipitation

78.2%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	87	77	0.10	0.0
2022	88	75	0.08	0.0
2021	88	78	0.35	0.0
2020	90	81	0.00	0.0
2019	89	79	0.05	0.0
2018	89	77	0.00	0.0
2017	91	80	0.14	0.0
2016	91	80	0.48	0.0
2015	88	80	0.00	0.0
2014	89	79	0.00	0.0
2013	90	82	0.00	0.0
2012	89	78	0.02	0.0
2011	88	78	0.34	0.0
2010	90	78	0.08	0.0
2009	88	78	0.54	0.0
2008	88	78	0.03	0.0
2007	88	78	0.36	0.0
2006	90	81	0.00	0.0
2005	88	78	0.18	0.0
2004	84	74	0.49	0.0
2003	87	78	0.15	0.0
2002	91	78	0.04	0.0
2001	89	77	0.52	0.0
2000	86	75	0.51	0.0
1999	88	78	0.01	0.0
1998	86	79	0.10	0.0
1997	85	78	0.35	0.0
1996	89	78	0.93	0.0
1995	90	76	0.01	0.0
1994	89	74	0.26	0.0
1993	93	75	0.00	0.0
1992	90	75	0.04	0.0
1991	88	76	0.03	0.0
1990	90	74	0.39	0.0
1989	87	75	0.06	0.0
1988	90	75	0.19	0.0
1987	91	79	0.00	0.0
1986	90	76	0.30	0.0
1985	85	75	0.09	0.0
1984	89	77	0.35	0.0
1983	91	80	0.03	0.0
1982	91	79	0.00	0.0
1981	89	79	0.02	0.0
1980	88	79	0.05	0.0
1979	90	79	0.08	0.0
1978	87	77	0.71	0.0
1977	89	79	0.00	0.0
1976	86	78	0.12	0.0
1975	85	79	0.10	0.0
1974	88	78	0.46	0.0
1973	86	78	0.00	0.0
1972	86	75	0.14	0.0
1971	88	79	0.08	0.0
1970	88	77	0.05	0.0
1969	91	79	0.00	0.0
1968	88	76	0.00	0.0
1967	85	72	0.51	0.0
1966	93	78	0.04	0.0
1965	88	78	0.01	0.0
1964	90	78	0.18	0.0
1963	89	76	0.18	0.0
1962	86	78	0.00	0.0
1961	85	79	0.07	0.0
1960	86	76	0.21	0.0
1959	88	78	0.00	0.0
1958	85	77	0.00	0.0
1957	87	77	0.11	0.0
1956	85	76	0.12	n/a
1955	86	78	0.00	n/a
1954	88	78	0.09	n/a
1953	88	75	0.03	n/a
1952	87	77	0.00	n/a
1951	88	77	0.00	n/a
1950	86	76	0.02	n/a
1949	85	76	0.03	n/a
1948	88	77	0.22	n/a
1947	88	78	0.00	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 6/18?

For the date of Jun 18, the highest temperature ever reached in Guam history is 93 °F which has happened 2 times, most recently in 1993.

Highest Temperatures in Guam on June 18

What's the all-time low for Guam on 6/18?

For the date of Jun 18, the lowest temperature ever reached in Guam history is 72 °F which happened in 1967.

Lowest Temperatures in Guam on June 18

Lowest High Temperatures in Guam on June 18

What's the most it has ever rained in Guam on 6/18?

For the date of Jun 18, the most precipitation ever recorded in Guam history is 0.93 inches which happened in 1996.

All-Time Most Precipitation in Guam on June 18

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location