Guam April 21 Weather Records

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

April 21 All-Time Records
1945–2024

93 °F

71 °F

79 °F

Highest daily low

80 °F

4.52 inches

Most snow

none

April 21 Average Weather
1991–2020 ¹

Average high

88.2 °F

Average low

77.1 °F

Chance precipitation

63.9%

Chance snow

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2024	89	78	0.00	0.0
2023	85	74	0.06	0.0
2022	87	77	0.00	0.0
2021	91	75	0.00	0.0
2020	89	77	0.03	0.0
2019	89	76	0.04	0.0
2018	87	76	0.21	0.0
2017	89	79	0.00	0.0
2016	91	77	0.03	0.0
2015	88	77	0.22	0.0
2014	87	80	0.15	0.0
2013	90	80	0.00	0.0
2012	90	79	0.01	0.0
2011	87	78	0.00	0.0
2010	87	77	0.00	0.0
2009	88	78	0.06	0.0
2008	88	78	0.02	0.0
2007	87	77	0.35	0.0
2006	89	78	0.00	0.0
2005	87	76	0.10	0.0
2004	88	79	0.01	0.0
2003	89	77	0.01	0.0
2002	90	77	0.01	0.0
2001	90	80	0.01	0.0
2000	87	74	0.19	0.0
1999	86	77	0.24	0.0
1998	88	76	0.12	0.0
1997	85	75	0.35	0.0
1996	89	78	0.00	0.0
1995	88	77	0.01	0.0
1994	90	74	0.13	0.0
1993	90	74	0.00	0.0
1992	89	74	0.03	0.0
1991	88	75	0.00	0.0
1990	90	78	0.01	0.0
1989	79	75	4.52	0.0
1988	89	74	0.00	0.0
1987	90	74	0.06	0.0
1986	89	74	0.04	0.0
1985	90	76	0.00	0.0
1984	92	77	0.01	0.0
1983	90	77	0.00	0.0
1982	93	78	0.00	0.0
1981	88	77	0.77	0.0
1980	87	78	0.01	0.0
1979	84	77	0.41	0.0
1978	87	78	0.01	0.0
1977	86	76	0.04	0.0
1976	85	75	0.00	0.0
1975	85	78	0.00	0.0
1974	86	79	0.15	0.0
1973	87	78	0.02	0.0
1972	86	71	0.00	0.0
1971	88	78	0.25	0.0
1970	87	77	0.06	0.0
1969	88	75	0.53	0.0
1968	87	73	0.00	0.0
1967	86	76	0.13	0.0
1966	90	79	0.01	0.0
1965	88	72	0.00	0.0
1964	86	76	0.14	0.0
1963	88	76	0.06	0.0
1962	85	78	0.00	0.0
1961	84	75	0.00	0.0
1960	85	79	0.00	0.0
1959	83	76	0.00	0.0
1958	87	76	0.07	0.0
1957	86	77	0.17	0.0
1956	85	75	0.09	n/a
1955	84	78	0.00	n/a
1954	88	74	0.08	n/a
1953	85	77	0.00	n/a
1952	87	77	0.00	n/a
1951	85	74	0.00	n/a
1950	87	76	0.00	n/a
1949	86	74	0.03	n/a
1948	86	77	0.12	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 4/21?

For the date of Apr 21, the highest temperature ever reached in Guam history is 93 °F which happened in 1982.

Highest Temperatures in Guam on April 21

What's the all-time low for Guam on 4/21?

For the date of Apr 21, the lowest temperature ever reached in Guam history is 71 °F which happened in 1972.

Lowest Temperatures in Guam on April 21

Lowest High Temperatures in Guam on April 21

What's the most it has ever rained in Guam on 4/21?

For the date of Apr 21, the most precipitation ever recorded in Guam history is 4.52 inches which happened in 1989.

All-Time Most Precipitation in Guam on April 21

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location