Guam October Weather

Averages and records for weather in Guam in the month of October.
Typical Guam October Weather
1991–2020
Average daily high 87.4 °F
Average daily low 76.8 °F
Average monthly precipitation 12.7 inches
Average monthly snow none
Daily chance of precipitation 80.8%
Daily chance of snow 0%
Guam October Weather Records
1945–2024
Highest temperature 93 °F October 23, 2018
Lowest temperature 67 °F October 16, 1966
Highest daily low 82 °F October 31, 2018
Lowest daily high 78 °F October 14, 2006
Hottest average high temperature 90.0 °F 1984
Coldest average high temperature 84.0 °F 1961
Most daily precipitation 15.5 inches October 15, 1953
Most monthly precipitation 26.7 inches 2021
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)
High Low High Low
October 1 87.2 76.5 91 72
October 2 87.2 76.5 91 70
October 3 87.2 76.5 92 71
October 4 87.2 76.5 93 71
October 5 87.2 76.5 92 71
October 6 87.2 76.5 93 70
October 7 87.2 76.5 92 71
October 8 87.2 76.6 92 71
October 9 87.3 76.6 92 71
October 10 87.3 76.6 93 72
October 11 87.3 76.7 92 73
October 12 87.3 76.7 92 73
October 13 87.3 76.7 91 74
October 14 87.3 76.7 91 72
October 15 87.3 76.8 93 70
October 16 87.3 76.8 92 67
October 17 87.4 76.8 92 70
October 18 87.4 76.8 92 73
October 19 87.4 76.9 91 70
October 20 87.4 76.9 91 73
October 21 87.4 76.9 92 70
October 22 87.4 76.9 92 70
October 23 87.5 77.0 93 73
October 24 87.5 77.0 91 71
October 25 87.5 77.0 91 72
October 26 87.5 77.0 92 72
October 27 87.5 77.0 91 72
October 28 87.5 77.0 91 72
October 29 87.6 77.1 92 72
October 30 87.6 77.1 92 72
October 31 87.6 77.1 92 70
Weather Station Details
Years Station Coordinates
1945–2024 Guam International Airport location