Guam Weather in 2018

Historical record of Guam weather for the year 2018 based on NOAA data.
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Year:
2018 Guam Weather Extremes
Highest temperature 93 °F October 23
Lowest temperature 69 °F March 10
Highest daily low 83 °F May 27
Lowest daily high 81 °F August 21
Most daily precipitation 9.4 inches September 10
Most daily snow none -
Total annual precipitation 107.7 inches -
Total annual snow none -
Highest Temperatures in Guam in 2018
Rank Temperature Date
1 93 °F Oct 23
1 93 °F Jul 2
1 93 °F Jul 1
1 93 °F Jun 2
5 92 °F Nov 19
5 92 °F Oct 3
5 92 °F Sep 18
5 92 °F Aug 13
5 92 °F Jul 28
5 92 °F Jul 27
Lowest Temperatures in Guam in 2018
Rank Temperature Date
1 69 °F March 10
2 71 °F March 9
3 72 °F March 13
3 72 °F March 11
3 72 °F February 7
3 72 °F January 29
3 72 °F January 7
8 73 °F March 18
8 73 °F March 8
10 74 °F March 12
10 74 °F February 27
January 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
87 79 0.01
87 76 0.00
87 75 0.00
88 75 0.00
86 76 0.12
89 76 0.00
88 72 0.00
88 76 0.00
90 78 0.21
88 79 0.00
88 79 0.00
87 79 0.01
88 79 0.00
88 77 0.01
88 79 0.00
88 79 0.02
89 79 0.00
88 78 0.00
90 78 0.00
89 78 0.00
89 76 0.23
88 79 0.00
88 80 0.00
87 76 0.12
88 77 0.00
87 76 0.00
89 77 0.00
88 75 0.04
87 72 0.08
87 76 0.00
88 76 0.09
February 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
89 76 0.10
88 76 0.55
87 75 0.00
88 76 0.00
87 79 0.00
86 78 0.00
87 72 0.00
87 76 0.15
86 78 0.45
87 79 0.01
87 79 0.02
89 78 0.06
86 77 0.30
87 76 0.17
87 76 0.02
88 79 0.00
87 77 0.07
88 75 0.13
88 76 0.00
87 77 0.04
89 78 0.00
89 77 0.01
87 77 0.33
88 78 0.05
87 78 0.01
88 78 0.01
88 74 0.08
87 77 0.16
March 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
87 76 0.08
88 78 0.00
89 76 0.00
89 78 0.01
87 76 0.47
89 76 0.02
87 75 0.02
87 73 0.00
87 71 0.00
88 69 0.00
88 72 0.01
89 74 0.00
89 72 0.01
88 78 0.18
89 78 0.01
88 79 0.00
90 77 0.00
90 73 0.00
90 78 0.00
90 78 0.01
90 78 0.00
88 78 0.00
89 78 0.26
88 79 0.03
87 79 0.00
88 80 0.00
87 80 0.00
88 79 0.01
87 79 0.00
86 77 0.23
88 79 0.05
April 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
90 79 0.08
87 76 0.37
87 75 0.28
89 77 0.00
89 78 0.23
87 76 2.47
87 76 0.01
86 77 0.50
88 77 0.00
88 76 0.00
90 78 0.00
90 81 0.01
90 81 0.05
91 79 0.28
86 75 1.76
89 81 0.02
89 81 0.00
88 79 0.32
89 79 0.01
89 78 0.00
87 76 0.21
90 78 0.14
89 80 0.01
90 77 0.00
90 80 0.05
89 80 0.49
88 80 0.30
90 79 0.34
90 79 0.01
89 76 0.05
May 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
86 79 0.84
90 80 0.00
90 82 0.00
89 79 0.15
91 79 0.02
91 80 0.00
91 79 0.06
90 79 0.12
88 80 0.00
90 79 0.00
89 77 0.75
90 75 0.00
89 77 0.00
90 75 0.00
91 81 0.00
90 80 0.21
87 76 4.16
88 79 0.08
88 79 0.08
90 79 0.09
89 79 0.00
88 79 0.66
89 80 0.82
89 80 0.00
90 81 0.01
90 82 0.00
91 83 0.00
91 82 0.02
91 81 0.00
91 82 0.00
91 82 0.08
June 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
90 82 0.06
93 81 0.04
85 78 0.48
88 78 0.41
88 78 0.90
85 79 0.05
86 77 0.01
87 77 0.23
88 77 0.01
86 80 0.23
87 79 0.16
89 79 0.01
90 80 0.10
89 79 0.27
88 81 0.02
89 80 0.00
90 79 0.00
89 77 0.00
88 79 0.50
90 81 0.00
89 80 0.25
89 81 0.01
90 81 0.00
90 80 0.01
91 79 0.00
89 77 0.96
86 76 0.60
90 79 0.01
89 79 0.09
89 80 0.01
July 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
93 80 0.08
93 80 0.07
87 79 0.52
84 77 1.25
86 77 3.72
83 76 2.48
85 78 0.69
88 79 0.24
89 81 0.09
90 80 0.12
87 78 0.42
87 78 1.11
86 78 0.26
89 81 0.02
88 79 0.21
85 76 0.67
89 78 0.17
90 79 0.00
89 78 1.09
88 80 0.36
88 80 0.33
90 79 0.21
89 79 0.12
91 79 0.08
90 81 0.00
89 80 0.13
92 80 0.00
92 80 0.12
86 80 0.08
90 77 0.04
88 78 0.16
August 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
87 78 0.48
83 77 0.81
86 77 0.86
83 76 1.68
86 78 0.09
87 77 0.07
89 78 0.00
87 79 0.08
88 80 0.00
89 78 0.26
90 79 0.02
90 78 0.01
92 79 0.02
89 79 0.45
88 77 1.12
85 76 4.25
90 80 0.04
90 80 0.10
85 77 1.31
82 76 1.80
81 75 4.31
88 77 0.16
91 78 0.07
85 77 0.59
89 78 0.94
90 77 0.00
88 79 2.23
89 76 0.00
89 79 0.05
89 78 0.00
90 80 0.09
September 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
85 77 0.31
88 77 0.00
88 76 0.00
89 76 0.21
90 76 0.00
88 79 1.28
91 77 0.38
89 79 0.36
89 80 0.00
83 75 9.40
88 77 0.21
88 80 0.16
86 77 1.12
85 78 0.03
90 78 0.70
89 79 0.60
91 77 0.37
92 79 0.09
88 80 0.14
90 80 0.31
88 77 1.72
86 77 1.68
86 75 1.09
89 77 0.06
84 78 0.76
88 77 0.08
88 78 0.17
90 78 0.60
86 79 1.00
88 78 0.38
October 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
89 79 0.04
90 78 0.08
92 79 0.00
90 78 0.14
87 77 0.47
89 80 0.06
90 78 0.67
89 79 0.07
90 79 0.00
89 81 0.30
90 82 0.00
91 82 0.03
90 80 0.45
86 77 0.36
88 80 0.29
86 79 0.57
83 76 1.04
90 76 0.00
88 77 0.35
88 78 0.08
88 78 1.22
89 77 0.27
93 80 0.05
86 77 0.65
87 78 0.56
89 80 0.06
88 80 0.26
90 80 0.00
87 78 0.71
89 80 0.09
90 82 0.00
November 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
90 80 0.01
90 80 0.21
90 80 0.21
90 79 0.00
90 79 0.01
90 81 0.00
91 79 0.00
86 77 0.26
87 78 0.22
90 76 0.00
90 78 0.00
91 79 0.00
90 79 0.00
90 77 0.00
91 81 0.14
89 81 0.32
90 79 0.20
90 79 0.05
92 79 0.00
90 77 0.00
89 78 0.00
85 78 1.98
88 80 0.25
88 79 0.16
90 78 0.02
89 80 0.00
90 77 0.01
87 76 0.17
90 78 0.16
89 78 0.13
December 2018 Guam Weather
Day High (°F) Low (°F) Precip. (inches)
87 79 0.15
90 79 0.29
88 80 0.26
90 80 0.00
89 80 0.04
90 81 0.01
90 79 0.11
90 79 0.12
90 79 0.07
88 77 0.58
91 80 0.07
89 81 0.00
90 80 0.12
90 79 0.21
89 80 0.07
89 80 0.56
87 77 1.24
90 82 0.00
89 81 0.02
87 78 0.95
88 80 0.20
89 79 0.01
89 81 0.00
90 81 0.00
86 77 1.60
87 78 0.09
88 79 0.01
89 78 0.56
89 77 0.09
87 78 0.06
88 77 0.26
Weather Station Details
Years Station Coordinates
1945–2024 Guam International Airport location