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Guam March Weather

Averages and records for weather in Guam in the month of March.

Typical Guam March Weather 1991–2020
Average daily high	86.9 °F
Average daily low	75.6 °F
Average monthly precipitation	2.7 inches
Average monthly snow	none
Daily chance of precipitation	57.0%
Daily chance of snow	0%

Guam March Weather Records 1945–2024
Highest temperature	93 °F	March 29, 1964
Lowest temperature	66 °F	March 14, 1965
Highest daily low	81 °F	March 31, 2013
Lowest daily high	76 °F	March 13, 1964
Hottest average high temperature	89.3 °F	1984
Coldest average high temperature	83.5 °F	1974
Most daily precipitation	2.2 inches	March 28, 1976
Most monthly precipitation	9.3 inches	1974
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	86.4	75.2	89	69
March 2	86.5	75.2	90	68
March 3	86.5	75.2	90	68
March 4	86.5	75.2	90	67
March 5	86.5	75.2	90	71
March 6	86.5	75.3	90	68
March 7	86.6	75.3	90	71
March 8	86.6	75.3	90	70
March 9	86.7	75.3	90	68
March 10	86.7	75.4	89	69
March 11	86.7	75.4	91	71
March 12	86.8	75.4	90	70
March 13	86.8	75.5	90	67
March 14	86.9	75.5	90	66
March 15	86.9	75.6	90	69
March 16	86.9	75.6	90	71
March 17	87.0	75.6	90	68
March 18	87.0	75.6	91	71
March 19	87.0	75.7	91	67
March 20	87.1	75.7	90	71
March 21	87.2	75.7	90	70
March 22	87.2	75.8	91	70
March 23	87.3	75.8	90	70
March 24	87.3	75.8	91	70
March 25	87.3	75.9	90	70
March 26	87.4	75.9	91	71
March 27	87.4	76.0	91	70
March 28	87.4	76.0	92	70
March 29	87.5	76.1	93	70
March 30	87.5	76.1	92	71
March 31	87.6	76.2	92	71

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location