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Guam July Weather

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

Typical Guam July Weather 1991–2020
Average daily high	87.9 °F
Average daily low	77.1 °F
Average monthly precipitation	12.2 inches
Average monthly snow	none
Daily chance of precipitation	82.8%
Daily chance of snow	0%

Guam July Weather Records 1945–2024
Highest temperature	95 °F	July 18, 1969
Lowest temperature	70 °F	July 24, 1949
Highest daily low	84 °F	July 28, 2013
Lowest daily high	77 °F	July 23, 1972
Hottest average high temperature	90.8 °F	2013
Coldest average high temperature	83.7 °F	1975
Most daily precipitation	12.1 inches	July 5, 2015
Most monthly precipitation	29.8 inches	2002
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
July 1	88.4	77.6	93	73
July 2	88.3	77.5	94	71
July 3	88.3	77.5	93	71
July 4	88.3	77.5	92	71
July 5	88.3	77.4	93	72
July 6	88.3	77.4	92	72
July 7	88.2	77.4	92	72
July 8	88.2	77.3	92	71
July 9	88.2	77.3	93	71
July 10	88.1	77.3	93	73
July 11	88.1	77.3	93	72
July 12	88.0	77.2	92	74
July 13	88.0	77.2	91	71
July 14	88.0	77.2	93	72
July 15	87.9	77.1	93	72
July 16	87.9	77.1	93	72
July 17	87.8	77.1	94	71
July 18	87.8	77.0	95	72
July 19	87.8	77.0	93	71
July 20	87.7	77.0	93	73
July 21	87.7	76.9	92	71
July 22	87.7	76.9	92	71
July 23	87.6	76.9	92	71
July 24	87.6	76.8	92	70
July 25	87.6	76.8	93	72
July 26	87.5	76.8	94	72
July 27	87.5	76.8	92	72
July 28	87.5	76.8	93	73
July 29	87.5	76.8	92	72
July 30	87.5	76.8	92	71
July 31	87.5	76.8	91	73

Weather Station Details

Years	Station	Coordinates
1945–2024	Guam International Airport	location