Tamuning
Guam
Tamuning, also known as Tamuning-Tumon-Harmon, is a village located on the western shore of the United States territory of Guam. The village of Tamuning is the economic center of Guam, containing tourist center Tumon, Harmon Industrial Park, and other commercial districts. Its central location along Marine Corps Drive, the island's main thoroughfare, has aided in its development.
Read more — WikipediaThe best months to visit are December–July.
The sea is warmest in July, at about 29°C (85°F).
Swimming season (water ≥ 21 °C): January–December.
June is the hottest month, with highs around 31°C (87°F).
February is the coldest month, with lows around 23°C (74°F).
The wettest month is December, with rain on about 23 days.
April is the sunniest month, with about 7.2 hours of sunshine a day.
In October, it’s warmer here than in 89% of places in Guam.
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16-day forecast
- Feels like
- 30°
- Humidity
- 85%
- Wind
- 11 km/h E
- Gusts
- 18 km/h
- Cloud cover
- 54%
- Pressure
- 1011 hPa
- UV index
- 4 (now)
- Sunrise / Sunset
- 06:13 / 17:55
Next 48 hours
Pollen forecasts are only available in Europe.
Best time to visit Tamuning
Average conditions for each month, from long-term climate normals (1961–2020).
Month by month
| Climate | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 29° | 29° | 30° | 30° | 31° | 31° | 31° | 30° | 30° | 30° | 30° | 29° |
| Average low | 23° | 23° | 24° | 24° | 25° | 25° | 24° | 24° | 24° | 24° | 25° | 24° |
| Sea temperature | 28° | 28° | 28° | 28° | 29° | 29° | 29° | 29° | 29° | 29° | 29° | 28° |
| Rainfall (mm) | 113 | 95 | 74 | 79 | 134 | 166 | 258 | 359 | 319 | 306 | 221 | 154 |
| Rain days | 23 | 19 | 19 | 19 | 20 | 17 | 19 | 20 | 19 | 22 | 22 | 23 |
| Sunshine per day (h) | 5.7 | 6.2 | 7 | 7.2 | 7.1 | 6.5 | 5.2 | 4.7 | 4.6 | 4.4 | 4.5 | 4.7 |
| Daylight (h) | 11.4 | 11.7 | 12 | 12.4 | 12.7 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Humidity (%) | 84 | 82 | 83 | 82 | 83 | 83 | 87 | 89 | 89 | 88 | 87 | 83 |
| Wind (km/h) | 12 | 12 | 12 | 12 | 12 | 10 | 11 | 12 | 12 | 12 | 13 | 12 |
| Go score | 68 | 68 | 70 | 70 | 69 | 69 | 65 | 64 | 64 | 64 | 64 | 65 |
The go score (0–100) favours daytime highs of 22–27 °C, mild nights, plenty of sunshine and few rainy days.
Climate normals: WorldClim 2.1 (1970–2000) · CRU CL 2.0 (1961–1990) About this data: Climate normals
What to do in Tamuning, month by month
When each activity is at its best, judged from the climate averages.
Rainy season: June–December Dry season: January–May (Based on average monthly rainfall)
| Activities | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beach & swimming | Poor | Poor | Fair | Fair | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor |
| Photography & sunsets | Fair | Fair | Fair | Fair | Fair | Fair | Fair | Poor | Poor | Poor | Poor | Poor |
Good Fair Poor · Estimated from long-term averages of temperature, rain days, sunshine and sea temperature.
How each activity is rated
- Beach & swimming — Good: sea ≥ 24 °C, highs ≥ 26 °C and at most 6 rain days (or under 40 mm of rain in the month). Fair: sea ≥ 21 °C, highs ≥ 23 °C and at most 10 rain days (or under 80 mm).
- Photography & sunsets — Good: at least 7 hours of sunshine a day and few rain days. Fair: 5 hours or more.
Rainy season in Guam: June–December · Wettest month: August Month by month
Typhoon season in Tamuning
How often tropical storms come close, by month — long-term averages, not a forecast.
Averages of 1991–2025 · Everything here is a long-term average, not a forecast. For storms that are active now, follow the official warning centre: Japan Meteorological Agency (jma.go.jp)
Western Pacific: month by monthTamuning: tourist crowds by month
How busy it gets through the year — and the months with good weather and fewer visitors.
Best value months
Good weather, fewer visitors, usually lower prices.
August–November
- Aug64
- Sep64
- Oct64
- Nov64
An estimate: months with a go score of 60 or more and below-average tourist numbers.
Updated: About this data: Crowds & prices
Tamuning: sea water temperature
Wave height: 1.1 m
Swimming seasonJanuary–December
Average sea temperature by month
Tamuning travel guide
What to see, do and eat, and where to stay — from an open, community-written travel guide.
Tamuning is a city on Guam.
Outlet mall featuring chain stores such as Ross Dress For Less, Levi's, Guess, Tommy Hilfiger, and Calvin Klein, and a movie theater.
Local chain restaurant known for their fried rice and other Chomorro specialties. They have with branches in Agana and Harmon as well.
Korean barbecue restaurant that also offers takeout.
Family-run restaurant specializing in Guam–style comfort food, such as tinaktak and estufao, Asian dishes such as teriyaki chicken and kalbi barbeque, and American favorites.
Japanese restaurant known for their sushi, gyoza, tempura, takoyaki, and sashimi.
Japanese food stand known for their ramen noodles and yakisoba.
Korean barbeque restaurant.
Dog–friendly beach bar.
Landmarks nearby
Mountains, castles, museums, beaches and heritage sites within 25 km.
Mount Lamlam
mountain in Guam
An-Noor Mosque
mosque in Mangilao, Guam
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SMS Cormoran
Russian-German armed merchantman
Fena Lake
lake of the United States of America
Tokai Maru
Japanese passenger-cargo ship built by the Mitsubishi Heavy Industries Shipyard
Mount Bolanos
mountain in United States of America
Cetti Bay
historic site in Guam
Mount Alifan
mountain in United States of America
Mount Jumullong Manglo
mountain in United States of America
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Guam Museum
museum focusing on the history of Guam
Gadao's Cave
Atantano Shrine
historic marker in Guam
Tamuning: practical information
Plugs, money, emergency numbers, safety and typical prices: what to know before you go.
- Voltage
- 110 V · 60 Hz
- Driving
- Drive on the right
US Dollar
USD · $
- Languages
- Chamorro, English, Spanish
- Calling code
- +1671
No public holidays in the coming months.
209 earthquakes of magnitude 5 or more within 100 km in the last 51 years.
Strongest: M7.8 (1993).
How to get to Tamuning
Nearest airports
- GUMAntonio B. Won Pat International AirportHagåtña2 km
- ROPRota International AirportRota Island91 km
- TIQFrancisco Manglona Borja / Tinian International AirportTinian Island191 km
- SPNSaipan International AirportI Fadang, Saipan208 km
Distances
- Santa Rita16 km 17 min
estimate
Hotels in Tamuning
Hotels and holiday rentals with live nightly prices.
We may earn a commission when you book through this map, at no extra cost to you.
Places with a climate like Tamuning
Matched on temperature and rainfall across the whole year.
Talisay
Binonga
Fort-de-France
Port Dickson
Donggongon
Apartadó
Wildlife around here
The species recorded most often within 25 km, and the months they’re seen.
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Climate in Tamuning
Add a free climate card for Tamuning to your website or blog. Copy the code below.
Frequently asked questions
When is the best time to visit Tamuning?
Based on climate normals, the best time to visit Tamuning is December–July.
What is the weather like in Tamuning in October?
In October, Tamuning averages a high of 30°C (87°F) and a low of 24°C (76°F), with 306 mm of rain on about 22 days.
How warm is the sea in Tamuning?
The sea is warmest in July (about 29°C (85°F)). Swimming season: January–December.
What is the rainiest month in Tamuning?
December, with rain on about 23 days.
What is the nearest airport to Tamuning?
Antonio B. Won Pat International Airport (GUM), about 2 km away.
What power plugs are used in Guam?
Plug types A, B, at 110 V.
What currency is used in Guam?
US Dollar (USD).
When is Tamuning most crowded?
The busiest months are March–April.
When is Tamuning least crowded?
The quietest months are August–November.
When is the best time to visit Tamuning without the crowds?
July–February: good weather with fewer visitors than in peak season.
What time zone is Tamuning in?
Pacific/Guam (UTC+10).
What is the population of Tamuning?
About 19,685.