Guam weather in October
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Guam October weather at a glance
In October, Guam averages 27.2°C, with typical highs of 30.3°C and lows of 25°C. The historical average is 30 wet days and 82% humidity.
Guam October temperature & humidity
Guam October rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Guam in October
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 30 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 30.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 25°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Guam October sunrise & sunset times
2026 October · Local time (Pacific/Guam)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-10-01 | 06:10 | 18:11 | 12h 1m |
| 2026-10-15 | 06:11 | 18:02 | 11h 50m |
| 2026-10-31 | 06:15 | 17:54 | 11h 40m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Guam
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
October weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Guam weather like in October?
In October, Guam averages 27.2°C, with typical highs of 30.3°C and lows of 25°C. The historical average is 30 wet days and 82% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Guam in October?
There are about 30 wet days in October. Pack a rain jacket and water-resistant shoes.
What should I wear in Guam in October?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 30 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Guam?
No months meet the A or B threshold in our temperature-and-precipitation score. Compare the monthly values with your planned activities.
Where can I check Guam weather in October in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Guam in October?
On 2026-10-15, calculated sunrise is 06:11 and sunset is 18:02 in local time (Pacific/Guam). Times vary by date and terrain.
Guam weather by month
More Americas destinations in October
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations