Guam January 21 Weather Records

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

January 21 All-Time Records
1945–2024

89 °F

68 °F

78 °F

Highest daily low

79 °F

4.04 inches

Most snow

none

January 21 Average Weather
1991–2020 ¹

Average high

85.9 °F

Average low

75.3 °F

Chance precipitation

63.2%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	84	73	0.52	0.0
2023	86	78	0.00	0.0
2022	83	75	0.62	0.0
2021	81	70	1.89	0.0
2020	87	75	0.24	0.0
2019	86	76	0.00	0.0
2018	89	76	0.23	0.0
2017	87	78	0.00	0.0
2016	88	73	0.00	0.0
2015	87	74	0.31	0.0
2014	85	75	2.04	0.0
2013	80	74	0.36	0.0
2012	84	75	0.25	0.0
2011	85	73	0.11	0.0
2010	86	75	0.01	0.0
2009	86	76	0.00	0.0
2008	87	74	0.01	0.0
2007	87	77	0.04	0.0
2006	86	76	0.23	0.0
2005	82	75	0.00	0.0
2004	86	75	0.00	0.0
2003	85	69	0.00	0.0
2002	86	77	0.13	0.0
2001	86	79	0.00	0.0
2000	86	70	0.17	0.0
1999	86	76	0.41	0.0
1998	85	75	0.24	0.0
1997	86	76	0.30	0.0
1996	84	73	4.04	0.0
1995	85	76	0.11	0.0
1994	83	74	0.18	0.0
1993	84	74	0.00	0.0
1992	86	75	0.01	0.0
1991	86	75	0.14	0.0
1990	88	74	0.00	0.0
1989	89	79	0.05	0.0
1988	85	75	0.19	0.0
1987	87	70	0.00	0.0
1986	88	75	0.00	0.0
1985	88	76	0.00	0.0
1984	88	74	0.18	0.0
1983	86	74	0.17	0.0
1982	89	78	0.04	0.0
1981	88	78	0.12	0.0
1980	86	76	0.00	0.0
1979	83	74	0.00	0.0
1978	84	72	0.00	0.0
1977	88	76	0.04	0.0
1976	86	78	0.08	0.0
1975	83	78	0.18	0.0
1974	82	73	0.02	0.0
1973	83	68	0.01	0.0
1972	89	79	0.04	0.0
1971	89	76	0.31	0.0
1970	78	74	2.18	0.0
1969	85	73	0.06	0.0
1968	87	76	0.00	0.0
1967	86	75	0.00	0.0
1966	86	74	0.00	0.0
1965	84	74	1.30	0.0
1964	89	75	0.00	0.0
1963	82	72	0.08	0.0
1962	84	75	0.00	0.0
1961	85	76	0.02	0.0
1960	83	74	0.02	0.0
1959	84	77	0.00	0.0
1958	81	76	0.00	0.0
1957	83	75	0.02	n/a
1956	83	75	0.00	n/a
1955	84	75	0.04	n/a
1954	83	74	0.08	n/a
1953	83	74	0.15	n/a
1952	84	74	0.00	n/a
1951	85	74	0.01	n/a
1950	84	73	0.00	n/a
1949	82	73	0.00	n/a
1948	84	75	0.01	n/a
1947	n/a	n/a	n/a	n/a
1946	86	75	0.00	n/a

What's the all-time high for Guam on 1/21?

For the date of Jan 21, the highest temperature ever reached in Guam history is 89 °F which has happened 6 times, most recently in 2018.

Highest Temperatures in Guam on January 21

What's the all-time low for Guam on 1/21?

For the date of Jan 21, the lowest temperature ever reached in Guam history is 68 °F which happened in 1973.

Lowest Temperatures in Guam on January 21

Lowest High Temperatures in Guam on January 21

What's the most it has ever rained in Guam on 1/21?

For the date of Jan 21, the most precipitation ever recorded in Guam history is 4.04 inches which happened in 1996.

All-Time Most Precipitation in Guam on January 21

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location