Measurements:
°C
°F
Guam
84°F
W 7 mph
Feels like: 90°F
Precip: 11%
World Resorts Northern Mariana Islands Guam Weather

7 Day Weather Forecast

06.14
sun
DAY
90°F
W 9 mph
precip
5%
NIGHT
86°F
SW 7 mph
precip
10%
06.15
mon
DAY
90°F
W 11 mph
precip
18%
NIGHT
86°F
W 7 mph
precip
23%
06.16
tue
DAY
88°F
SW 7 mph
precip
63%
NIGHT
86°F
W 7 mph
precip
9%
06.17
wed
DAY
90°F
W 6 mph
precip
14%
NIGHT
86°F
W 5 mph
precip
11%
06.18
thu
DAY
86°F
SE 6 mph
precip
59%
NIGHT
86°F
NE 10 mph
precip
42%
06.19
fri
DAY
86°F
NE 19 mph
precip
62%
NIGHT
86°F
NE 20 mph
precip
45%
06.20
sat
DAY
88°F
N 22 mph
precip
25%
NIGHT
86°F
N 19 mph
precip
16%

Guam Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Guam was 29.5°F. The maximum and minimum values were 29.1°F and 29.8°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