Travel Weather Fairy
🇬🇺 Guam, U.S.

Guam Weather in October

Wet season · Typhoon risk
October in Guam is usually hot by day and mild to warm at night, with 2016–2025 average highs around 29°C (85°F) and lows near 25°C (77°F). Rain is a major part of trip planning, with about 30 days reaching at least 1 mm of precipitation and roughly 456 mm for the month.
Avg high85.1°F 29.5°CAvg low76.6°F 24.8°CRainy days~29.5 daysMonthly rain456.1 mm
Guam travel scenery
🧳 Packing guide

What to wear in Guam in October

For what to wear in Guam in October, light, breathable clothes work best, with sun protection for long outdoor days. A compact rain shell is useful, and the latest typhoon and transport updates matter more than long-range averages close to departure.

Travel takeaway: This can still be a rewarding time to visit, but keep outdoor plans flexible and recheck the short-range forecast before travel.

🗓️ 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.
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.
🎊 Featured event
CHamoru Month
📅 March

A month celebrating Guam’s CHamoru culture and traditions, with a good chance to experience local cultural events.

Check official source →
⚠️ 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 Weather in October

2016–2025 · 10 complete years averaged · °F

Guam in October · 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
⭐ October 2025 · latest complete year☔ 28 days · 263 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌦️
32.1°C/26.3°C
🌧️ 1.9 mm
2
🌦️
32.3°C/25.3°C
🌧️ 3.5 mm
3
🌦️
32.7°C/26.2°C
🌧️ 1 mm
4
🌦️
31°C/24.5°C
🌧️ 1.7 mm
5
🌦️
30.3°C/25.4°C
🌧️ 7.9 mm
6
🌧️
31.2°C/24.3°C
🌧️ 13.2 mm
7
🌦️
28.9°C/24.1°C
🌧️ 16.2 mm
8
🌦️
32.8°C/25.4°C
🌧️ 1.4 mm
9
🌧️
32.6°C/24.4°C
🌧️ 13.1 mm
10
🌦️
27.9°C/24.5°C
🌧️ 8.3 mm
11
🌦️
32.2°C/25.9°C
🌧️ 2.2 mm
12
🌦️
31.6°C/26.8°C
🌧️ 1.5 mm
13
🌧️
31.3°C/24.5°C
🌧️ 17.3 mm
14
🌦️
29.7°C/24.7°C
🌧️ 8.7 mm
15
🌧️
30.2°C/23.8°C
🌧️ 30.5 mm
16
🌦️
31.3°C/24.6°C
🌧️ 6.7 mm
17
🌦️
33°C/26.4°C
No rain
18
🌧️
30.6°C/25.9°C
🌧️ 10.4 mm
19
🌦️
33°C/26.5°C
🌧️ 2.4 mm
20
🌧️
28.1°C/24.5°C
🌧️ 57.6 mm
21
🌧️
32.2°C/24.9°C
🌧️ 9.3 mm
22
🌧️
31.1°C/25.1°C
🌧️ 12 mm
23
🌦️
32.4°C/25.5°C
🌧️ 2.5 mm
24
🌦️
32.7°C/25.5°C
No rain
25
🌧️
32.2°C/25.7°C
🌧️ 2.8 mm
26
🌦️
31.7°C/25.1°C
🌧️ 5.1 mm
27
🌧️
31.5°C/25.4°C
🌧️ 13.6 mm
28
🌦️
32.2°C/26.1°C
No rain
29
🌧️
32.3°C/25.2°C
🌧️ 7.9 mm
30
🌦️
30.6°C/25.9°C
🌧️ 1.7 mm
31
🌦️
31.7°C/24.5°C
🌧️ 1.1 mm
October 2024☔ 31 days · 466.2 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌦️
31°C/25.5°C
🌧️ 1.8 mm
2
🌧️
30.5°C/24.8°C
🌧️ 3.4 mm
3
🌧️
28.5°C/24°C
🌧️ 20.9 mm
4
🌧️
27°C/24.8°C
🌧️ 28.6 mm
5
🌧️
30.5°C/23.7°C
🌧️ 13.4 mm
6
🌦️
30°C/23.8°C
🌧️ 2.8 mm
7
🌧️
30.7°C/24.4°C
🌧️ 8.8 mm
8
🌧️
28.4°C/24.9°C
🌧️ 15.9 mm
9
🌧️
27.7°C/24.3°C
🌧️ 27 mm
10
🌧️
30.2°C/23.9°C
🌧️ 22 mm
11
🌧️
28.1°C/25.5°C
🌧️ 11.1 mm
12
🌦️
30.1°C/25.5°C
🌧️ 2.3 mm
13
🌦️
30.9°C/25°C
🌧️ 1.1 mm
14
🌧️
30°C/24.8°C
🌧️ 17.5 mm
15
🌧️
30.8°C/24°C
🌧️ 22.3 mm
16
🌦️
30.1°C/24.9°C
🌧️ 1.3 mm
17
🌧️
29.2°C/24.8°C
🌧️ 15.7 mm
18
🌧️
27.4°C/23.9°C
🌧️ 39.1 mm
19
🌧️
28.9°C/23.8°C
🌧️ 13.1 mm
20
🌧️
28.5°C/23.9°C
🌧️ 56.7 mm
21
🌧️
25.7°C/24.1°C
🌧️ 66.5 mm
22
🌧️
26.4°C/23.7°C
🌧️ 27.3 mm
23
🌧️
28.9°C/23.3°C
🌧️ 16.7 mm
24
🌧️
30°C/25.4°C
🌧️ 3.7 mm
25
🌦️
29.4°C/25.3°C
🌧️ 2.1 mm
26
🌧️
28.4°C/25.6°C
🌧️ 6 mm
27
🌦️
29°C/25.2°C
🌧️ 5.1 mm
28
🌧️
28.1°C/24.1°C
🌧️ 8.3 mm
29
🌦️
30.7°C/26°C
🌧️ 1.1 mm
30
🌦️
30.5°C/25.8°C
🌧️ 1.4 mm
31
🌦️
30.1°C/25.5°C
🌧️ 3.2 mm
October 2023☔ 31 days · 392.7 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
🌧️
29.3°C/25°C
🌧️ 15.8 mm
2
🌦️
30.2°C/25.8°C
🌧️ 4.2 mm
3
🌦️
30.1°C/25°C
🌧️ 4.3 mm
4
🌧️
30°C/25.2°C
🌧️ 16.5 mm
5
🌧️
28.9°C/23.7°C
🌧️ 32.1 mm
6
🌧️
30°C/23.7°C
🌧️ 7.4 mm
7
🌧️
29.1°C/23.8°C
🌧️ 18.1 mm
8
🌦️
30.5°C/26.7°C
🌧️ 2.3 mm
9
🌧️
31.1°C/25.5°C
🌧️ 3.2 mm
10
🌧️
26.1°C/24.3°C
🌧️ 90 mm
11
🌦️
29.5°C/25.3°C
🌧️ 4.6 mm
12
🌧️
29.7°C/24.7°C
🌧️ 18.5 mm
13
🌧️
27.5°C/24.5°C
🌧️ 36.1 mm
14
🌧️
26.8°C/24°C
🌧️ 25 mm
15
🌧️
29.2°C/23.6°C
🌧️ 14.1 mm
16
🌦️
30.6°C/23.1°C
🌧️ 4.3 mm
17
🌦️
29.5°C/25.1°C
🌧️ 6 mm
18
🌦️
30.8°C/24.4°C
🌧️ 4.6 mm
19
🌧️
30°C/24.7°C
🌧️ 8.8 mm
20
🌦️
30.9°C/24.7°C
🌧️ 3.9 mm
21
🌦️
31.1°C/24.9°C
🌧️ 2.1 mm
22
🌦️
29.4°C/25.2°C
🌧️ 2.8 mm
23
🌧️
30.3°C/24.1°C
🌧️ 26.6 mm
24
🌦️
30.3°C/25.5°C
🌧️ 2.5 mm
25
🌦️
30.3°C/24.9°C
🌧️ 2.7 mm
26
🌦️
30.9°C/25°C
🌧️ 2 mm
27
🌧️
29°C/24.5°C
🌧️ 11.9 mm
28
🌦️
30.4°C/25.4°C
🌧️ 3.4 mm
29
🌧️
29.8°C/26.2°C
🌧️ 12.2 mm
30
🌦️
30.7°C/25.2°C
🌧️ 2.2 mm
31
🌦️
29.6°C/24.2°C
🌧️ 4.5 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.
Loading current weather…
Loading 7-day forecast…
Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
💱 Quick currency check

Local currency to U.S. dollars

Loading exchange rate…
💱 Loading exchange rate…

Guam weather in other months

Switch months to compare the seasonal pattern.