Guam January 20 Weather Records

Daily averages and all-time records for weather in Guam for the date of January 20.

January 20 All-Time Records
1945–2024

91 °F

71 °F

80 °F

Highest daily low

79 °F

1.66 inches

Most snow

none

January 20 Average Weather
1991–2020 ¹

Average high

85.9 °F

Average low

75.4 °F

Chance precipitation

63.2%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	84	75	0.00	0.0
2023	85	77	0.06	0.0
2022	84	74	0.01	0.0
2021	89	78	0.00	0.0
2020	87	75	0.00	0.0
2019	85	76	0.08	0.0
2018	89	78	0.00	0.0
2017	87	77	0.00	0.0
2016	88	77	0.00	0.0
2015	88	74	0.00	0.0
2014	86	76	0.08	0.0
2013	82	75	0.32	0.0
2012	86	73	0.00	0.0
2011	83	75	1.19	0.0
2010	84	73	0.07	0.0
2009	83	78	0.00	0.0
2008	87	75	0.02	0.0
2007	87	77	0.02	0.0
2006	87	76	0.34	0.0
2005	84	74	0.05	0.0
2004	85	76	0.00	0.0
2003	84	74	0.00	0.0
2002	88	76	0.00	0.0
2001	86	78	0.00	0.0
2000	87	71	0.00	0.0
1999	86	77	0.16	0.0
1998	88	74	0.00	0.0
1997	80	75	0.09	0.0
1996	86	78	0.03	0.0
1995	86	76	0.04	0.0
1994	85	75	0.37	0.0
1993	85	75	0.00	0.0
1992	86	75	0.03	0.0
1991	86	73	0.46	0.0
1990	87	76	0.00	0.0
1989	89	78	0.02	0.0
1988	87	75	0.01	0.0
1987	86	71	0.18	0.0
1986	87	75	0.00	0.0
1985	89	75	0.00	0.0
1984	88	76	0.00	0.0
1983	86	73	0.01	0.0
1982	91	77	0.04	0.0
1981	88	77	0.82	0.0
1980	85	77	0.00	0.0
1979	83	75	0.07	0.0
1978	84	72	0.00	0.0
1977	83	76	0.18	0.0
1976	87	78	0.00	0.0
1975	81	77	1.66	0.0
1974	82	73	0.03	0.0
1973	85	71	0.00	0.0
1972	89	79	0.00	0.0
1971	82	74	0.00	0.0
1970	83	75	0.01	0.0
1969	86	75	0.00	0.0
1968	86	78	0.00	0.0
1967	85	74	0.12	0.0
1966	84	74	0.10	0.0
1965	84	75	0.00	0.0
1964	88	73	0.00	0.0
1963	85	72	0.00	0.0
1962	84	72	0.00	0.0
1961	84	77	0.03	0.0
1960	84	74	0.00	0.0
1959	83	75	0.00	0.0
1958	82	75	0.24	0.0
1957	82	72	0.30	n/a
1956	82	75	0.01	n/a
1955	84	75	0.01	n/a
1954	84	74	0.08	n/a
1953	85	75	0.00	n/a
1952	85	72	0.19	n/a
1951	85	74	0.16	n/a
1950	84	74	0.00	n/a
1949	82	74	0.00	n/a
1948	84	77	0.45	n/a
1947	n/a	n/a	n/a	n/a
1946	85	75	0.04	n/a

What's the all-time high for Guam on 1/20?

For the date of Jan 20, the highest temperature ever reached in Guam history is 91 °F which happened in 1982.

Highest Temperatures in Guam on January 20

What's the all-time low for Guam on 1/20?

For the date of Jan 20, the lowest temperature ever reached in Guam history is 71 °F which has happened 3 times, most recently in 2000.

Lowest Temperatures in Guam on January 20

Lowest High Temperatures in Guam on January 20

What's the most it has ever rained in Guam on 1/20?

For the date of Jan 20, the most precipitation ever recorded in Guam history is 1.66 inches which happened in 1975.

All-Time Most Precipitation in Guam on January 20

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location