Guam March 18 Weather Records

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

March 18 All-Time Records
1945–2024

91 °F

71 °F

79 °F

Highest daily low

79 °F

1.75 inches

Most snow

none

March 18 Average Weather
1991–2020 ¹

Average high

87.0 °F

Average low

75.6 °F

Chance precipitation

57.5%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	86	74	0.00	0.0
2023	85	74	0.00	0.0
2022	86	77	0.09	0.0
2021	86	78	0.04	0.0
2020	90	78	0.00	0.0
2019	88	76	0.08	0.0
2018	90	73	0.00	0.0
2017	79	75	1.02	0.0
2016	84	75	0.45	0.0
2015	86	75	0.06	0.0
2014	88	79	0.00	0.0
2013	86	75	1.32	0.0
2012	87	77	0.00	0.0
2011	87	78	0.22	0.0
2010	84	75	0.87	0.0
2009	89	75	0.00	0.0
2008	89	76	0.11	0.0
2007	85	71	0.00	0.0
2006	89	75	0.00	0.0
2005	86	78	0.00	0.0
2004	86	76	0.27	0.0
2003	86	74	0.01	0.0
2002	87	77	0.15	0.0
2001	85	76	0.19	0.0
2000	86	77	0.12	0.0
1999	88	78	0.15	0.0
1998	86	71	0.00	0.0
1997	86	74	0.37	0.0
1996	86	77	0.01	0.0
1995	87	77	0.02	0.0
1994	88	74	0.00	0.0
1993	83	74	0.00	0.0
1992	86	71	0.23	0.0
1991	88	74	0.00	0.0
1990	87	74	0.00	0.0
1989	85	76	0.00	0.0
1988	89	75	0.02	0.0
1987	90	75	0.07	0.0
1986	89	77	0.00	0.0
1985	87	78	0.02	0.0
1984	91	75	0.04	0.0
1983	87	74	0.00	0.0
1982	89	78	0.00	0.0
1981	88	72	0.00	0.0
1980	85	76	0.06	0.0
1979	85	78	0.10	0.0
1978	82	71	0.13	0.0
1977	85	76	0.01	0.0
1976	84	76	0.00	0.0
1975	88	78	0.00	0.0
1974	86	77	0.24	0.0
1973	87	72	0.00	0.0
1972	84	74	0.46	0.0
1971	86	76	0.00	0.0
1970	86	78	0.00	0.0
1969	89	77	0.08	0.0
1968	83	75	0.04	0.0
1967	86	72	1.75	0.0
1966	88	75	0.00	0.0
1965	83	71	0.05	0.0
1964	85	73	0.00	0.0
1963	87	74	0.00	0.0
1962	84	76	0.00	0.0
1961	84	76	0.00	0.0
1960	84	76	0.05	0.0
1959	85	75	0.00	0.0
1958	85	74	0.00	0.0
1957	85	76	0.01	0.0
1956	83	75	0.07	n/a
1955	84	76	0.05	n/a
1954	86	73	0.03	n/a
1953	84	74	0.13	n/a
1952	85	72	0.00	n/a
1951	88	75	0.00	n/a
1950	86	74	0.00	n/a
1949	86	73	0.01	n/a
1948	85	76	0.00	n/a
1947	n/a	n/a	n/a	n/a
1946	n/a	n/a	n/a	n/a

What's the all-time high for Guam on 3/18?

For the date of Mar 18, the highest temperature ever reached in Guam history is 91 °F which happened in 1984.

Highest Temperatures in Guam on March 18

What's the all-time low for Guam on 3/18?

For the date of Mar 18, the lowest temperature ever reached in Guam history is 71 °F which has happened 5 times, most recently in 2007.

Lowest Temperatures in Guam on March 18

Lowest High Temperatures in Guam on March 18

What's the most it has ever rained in Guam on 3/18?

For the date of Mar 18, the most precipitation ever recorded in Guam history is 1.75 inches which happened in 1967.

All-Time Most Precipitation in Guam on March 18

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location