Measurements:
°C
°F
Guam
88°F
W 16 mph
Feels like: 96°F
Precip: 67%
World Resorts Northern Mariana Islands Guam Weather

7 Day Weather Forecast

04.04
sat
DAY
86°F
W 16 mph
precip
67%
NIGHT
84°F
W 17 mph
precip
65%
04.05
sun
DAY
86°F
SW 21 mph
precip
78%
NIGHT
84°F
SW 17 mph
precip
72%
04.06
mon
DAY
86°F
W 21 mph
precip
100%
NIGHT
84°F
W 19 mph
precip
0%
04.07
tue
DAY
86°F
W 16 mph
precip
71%
NIGHT
84°F
SW 13 mph
precip
100%
04.08
wed
DAY
86°F
SW 14 mph
precip
100%
NIGHT
84°F
W 13 mph
precip
80%
04.09
thu
DAY
86°F
SW 15 mph
precip
100%
NIGHT
84°F
SW 16 mph
precip
82%
04.10
fri
DAY
86°F
SW 17 mph
precip
84%
NIGHT
84°F
S 19 mph
precip
100%

Guam Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Guam was 28.6°F. The maximum and minimum values were 28.2°F and 29.0°F respectively.

Guam on the Weather Map

Best Time to Visit Guam
The most sunny months:
July 5 days
August 5 days
September 5 days
The most warm months:
June 91.6 °F
July 91.5 °F
August 91.1 °F
Warmest sea temperature:
August 89.4 °F
September 89.4 °F
July 89.2 °F
The most cold months:
February 86.8 °F
January 87.5 °F
March 87.8 °F
The most rainy months:
October 15 days
August 14 days
September 14 days
The most windy months:
February 17 mph
December 17 mph
January 16 mph