Guam June 21 Weather Records

Daily averages and all-time records for weather in Guam for the date of June 21.

June 21 All-Time Records
1945–2024

92 °F

73 °F

83 °F

Highest daily low

81 °F

3.75 inches

Most snow

none

June 21 Average Weather
1991–2020 ¹

Average high

88.7 °F

Average low

78.1 °F

Chance precipitation

79.0%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	87	78	0.12	0.0
2022	87	76	0.33	0.0
2021	88	78	0.20	0.0
2020	91	80	0.09	0.0
2019	88	76	0.99	0.0
2018	89	80	0.25	0.0
2017	89	77	0.00	0.0
2016	90	74	3.34	0.0
2015	89	77	0.01	0.0
2014	89	76	0.45	0.0
2013	91	81	0.11	0.0
2012	87	77	0.54	0.0
2011	89	79	0.37	0.0
2010	91	79	0.03	0.0
2009	89	77	0.03	0.0
2008	87	75	0.10	0.0
2007	89	80	0.07	0.0
2006	88	80	0.00	0.0
2005	85	74	0.56	0.0
2004	88	76	3.20	0.0
2003	86	75	0.15	0.0
2002	90	81	0.08	0.0
2001	90	78	0.45	0.0
2000	87	78	0.12	0.0
1999	87	77	0.11	0.0
1998	87	78	0.05	0.0
1997	84	75	1.00	0.0
1996	90	77	0.00	0.0
1995	90	78	0.00	0.0
1994	89	78	0.04	0.0
1993	91	76	0.05	0.0
1992	90	74	0.35	0.0
1991	90	76	0.51	0.0
1990	88	74	0.30	0.0
1989	88	75	0.05	0.0
1988	92	78	0.06	0.0
1987	90	75	0.00	0.0
1986	89	78	0.09	0.0
1985	83	73	3.75	0.0
1984	89	77	0.00	0.0
1983	92	80	0.00	0.0
1982	87	77	0.29	0.0
1981	90	78	0.00	0.0
1980	90	79	0.06	0.0
1979	90	77	0.00	0.0
1978	86	79	0.03	0.0
1977	87	79	0.00	0.0
1976	85	78	0.02	0.0
1975	85	80	0.00	0.0
1974	92	76	0.00	0.0
1973	88	78	0.07	0.0
1972	86	74	0.05	0.0
1971	87	79	0.28	0.0
1970	88	80	0.00	0.0
1969	91	79	0.11	0.0
1968	87	76	0.11	0.0
1967	85	73	0.72	0.0
1966	90	78	0.00	0.0
1965	87	78	0.01	0.0
1964	89	78	0.37	0.0
1963	89	78	0.02	0.0
1962	86	77	0.24	0.0
1961	85	77	0.02	0.0
1960	85	75	0.05	0.0
1959	87	77	0.18	0.0
1958	83	78	0.11	0.0
1957	86	77	0.20	0.0
1956	87	77	0.00	n/a
1955	85	76	0.03	n/a
1954	89	77	0.00	n/a
1953	88	76	0.12	n/a
1952	89	76	0.12	n/a
1951	88	75	0.00	n/a
1950	83	73	0.30	n/a
1949	87	77	0.02	n/a
1948	87	76	0.23	n/a
1947	88	81	0.00	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 6/21?

For the date of Jun 21, the highest temperature ever reached in Guam history is 92 °F which has happened 3 times, most recently in 1988.

Highest Temperatures in Guam on June 21

What's the all-time low for Guam on 6/21?

For the date of Jun 21, the lowest temperature ever reached in Guam history is 73 °F which has happened 3 times, most recently in 1985.

Lowest Temperatures in Guam on June 21

Lowest High Temperatures in Guam on June 21

What's the most it has ever rained in Guam on 6/21?

For the date of Jun 21, the most precipitation ever recorded in Guam history is 3.75 inches which happened in 1985.

All-Time Most Precipitation in Guam on June 21

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location