Travel Weather Fairy🎊 Featured event
Guam Liberation Day
📅 Jul 21 each year
An important Guam commemoration with parades, ceremonies and fireworks. Related events are often held throughout July.
Check official source →🇬🇺 Guam, U.S.
Guam Weather in June
Transition seasonJune in Guam is usually hot by day and warm at night, with 2016–2025 average highs around 30°C (87°F) and lows near 25°C (78°F). Rain is a major part of trip planning, with about 25 days reaching at least 1 mm of precipitation and roughly 194 mm for the month.
Avg high86.5°F 30.3°CAvg low77.7°F 25.4°CRainy days~24.8 daysMonthly rain194.2 mm
🧳 Packing guide
What to wear in Guam in June
For what to wear in Guam in June, light, breathable clothes work best, with sun protection for long outdoor days. Add a compact umbrella or light rain jacket because wet weather is common enough to affect sightseeing.
Travel takeaway: The month can work well for a trip if you are comfortable building indoor alternatives around wetter periods.
🗓️ Travel timing at a glance
Guam: 12-month travel weather
Guam is generally drier from January to May and wetter from July to November. Tropical storms and typhoons are an important late-summer and autumn consideration.
JanDry seasonFebDry seasonMarDry seasonAprDry seasonMayDry seasonJunTransition seasonJulWet seasonAugWet season · Typhoon riskSepWet season · Typhoon riskOctWet season · Typhoon riskNovWet season · Typhoon riskDecTransition season
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Guam 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Liberation Day events
📅 Around Jul 21
Crowds and traffic controls can affect Hagåtña and parade routes, so allow extra time when driving.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Guam in June · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ June 2025 · latest complete year☔ 26 days · 325.9 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
33°C/25.7°C
🌧️ 13.2 mm
2
33.2°C/24.4°C
🌧️ 7.3 mm
3
31.2°C/25.2°C
🌧️ 14.3 mm
4
30.5°C/25.6°C
🌧️ 21.4 mm
5
31.2°C/25.2°C
🌧️ 1.9 mm
6
28.8°C/25.2°C
🌧️ 24.4 mm
7
30.7°C/25°C
🌧️ 3.9 mm
8
27.9°C/25.1°C
🌧️ 21.2 mm
9
31.9°C/25.8°C
🌧️ 6.9 mm
10
32.5°C/26.9°C
🌧️ 2 mm
11
32.3°C/24.4°C
🌧️ 20.1 mm
12
33.5°C/24.9°C
🌧️ 7.1 mm
13
31.3°C/25.9°C
🌧️ 4 mm
14
33.5°C/27.2°C
No rain
15
33.1°C/27.3°C
🌧️ 2.5 mm
16
31.7°C/25.8°C
🌧️ 1.4 mm
17
31.7°C/24.5°C
🌧️ 3.5 mm
18
32.9°C/25.9°C
🌧️ 2.6 mm
19
32.9°C/27.6°C
No rain
20
33.2°C/27.1°C
🌧️ 1.5 mm
21
33.2°C/27°C
No rain
22
32.6°C/27.6°C
No rain
23
30.8°C/27.4°C
🌧️ 4 mm
24
32.1°C/25.5°C
🌧️ 12.2 mm
25
30°C/25°C
🌧️ 9.7 mm
26
27.2°C/24.2°C
🌧️ 69.5 mm
27
28.8°C/25.4°C
🌧️ 13.5 mm
28
28.1°C/24.6°C
🌧️ 22.3 mm
29
29.5°C/24.8°C
🌧️ 10.5 mm
30
29.8°C/24.7°C
🌧️ 22.2 mm
June 2024☔ 22 days · 121.2 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
31°C/25.4°C
🌧️ 4.9 mm
2
32.5°C/23.7°C
No rain
3
32°C/24.4°C
🌧️ 2.7 mm
4
32.5°C/25.3°C
No rain
5
29.3°C/25.3°C
🌧️ 10.4 mm
6
31.5°C/26.9°C
🌧️ 1.7 mm
7
30.4°C/25.9°C
🌧️ 8.3 mm
8
30.4°C/25.9°C
🌧️ 7.7 mm
9
31.5°C/25.7°C
🌧️ 1.7 mm
10
32.1°C/24.9°C
🌧️ 2.5 mm
11
30.7°C/25.2°C
🌧️ 2.7 mm
12
29.8°C/24.9°C
🌧️ 4.5 mm
13
31.8°C/24.5°C
🌧️ 11.3 mm
14
30.7°C/24.1°C
🌧️ 17.2 mm
15
29.8°C/26.8°C
🌧️ 9.6 mm
16
31°C/25.9°C
🌧️ 3.1 mm
17
31°C/26.5°C
🌧️ 5.3 mm
18
30.5°C/26°C
🌧️ 3.7 mm
19
31°C/25.9°C
🌧️ 1.4 mm
20
31.5°C/26°C
No rain
21
31.5°C/26°C
🌧️ 7.9 mm
22
31.8°C/26.3°C
No rain
23
30.8°C/26.6°C
🌧️ 2.7 mm
24
31.9°C/25°C
🌧️ 3.5 mm
25
31.4°C/26.3°C
No rain
26
32°C/27.3°C
No rain
27
31.8°C/27.2°C
No rain
28
32°C/27°C
No rain
29
30.5°C/25°C
🌧️ 3.5 mm
30
32°C/26°C
🌧️ 1.3 mm
June 2023☔ 30 days · 311.5 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
28.4°C/23.7°C
🌧️ 49.3 mm
2
29.4°C/23.9°C
🌧️ 9.5 mm
3
25.9°C/23.4°C
🌧️ 27.6 mm
4
30.2°C/24.9°C
🌧️ 1.9 mm
5
29°C/25.2°C
🌧️ 1.9 mm
6
28.9°C/25.4°C
🌧️ 3.3 mm
7
29.4°C/25.7°C
🌧️ 1.6 mm
8
30°C/25.9°C
🌧️ 2 mm
9
29.5°C/25.3°C
🌧️ 4.8 mm
10
30.4°C/24°C
🌧️ 4 mm
11
30.8°C/24.1°C
🌧️ 4.7 mm
12
30.2°C/23.7°C
🌧️ 20.4 mm
13
29.7°C/25.5°C
🌧️ 25.6 mm
14
31°C/25.3°C
🌧️ 1.3 mm
15
30.9°C/25.6°C
🌧️ 3.1 mm
16
30.4°C/24.3°C
🌧️ 3.2 mm
17
30.7°C/25.8°C
🌧️ 5.3 mm
18
30.4°C/25.5°C
🌧️ 1.3 mm
19
29.4°C/24.9°C
🌧️ 13.4 mm
20
30.1°C/25.7°C
🌧️ 2.4 mm
21
30.2°C/24.1°C
🌧️ 20.5 mm
22
30°C/24.7°C
🌧️ 1.3 mm
23
29.6°C/24.6°C
🌧️ 10.6 mm
24
29.3°C/24°C
🌧️ 4.6 mm
25
29.7°C/25.4°C
🌧️ 11.7 mm
26
29.3°C/23.9°C
🌧️ 18.8 mm
27
27.8°C/24.2°C
🌧️ 27.4 mm
28
29.4°C/24.6°C
🌧️ 11 mm
29
30.2°C/24.1°C
🌧️ 16.4 mm
30
31°C/26.1°C
🌧️ 2.6 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
✈️ Traveling soon?
Current Guam weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Guam weather in other months
Switch months to compare the seasonal pattern.