When to visit
Hagåtña?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Hagåtña
Hagatna · Guam

The best weather in Hagåtña is from January, February, March.consistent weather climate

Climate score
September
38

Challenging climate

Hot & rainy

Temperature
25–29°C
Hot nights — A/C advised
Feels like
29–35°C
Muggy
Precipitation
489mm
Torrential rain · 30 days
Sunshine
5.7h
Overcast
Humidity (%)
87%
Muggy
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
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Monthly Overview
Score798178726356423738415773
ClimateHot & dryHot & dryHot & dryHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyHot & rainyHot & rainy
Temperature25–29°C25–29°C25–29°C25–29°C26–30°C26–30°C25–30°C25–29°C25–29°C25–29°C26–30°C25–29°C
Feels like28–31°C27–31°C28–33°C28–34°C29–35°C30–35°C30–35°C29–35°C29–35°C29–35°C29–34°C28–32°C
Precipitation95mm
19 days
70mm
14 days
84mm
17 days
119mm
20 days
154mm
21 days
172mm
25 days
368mm
30 days
512mm
30 days
489mm
30 days
453mm
30 days
194mm
26 days
128mm
21 days
Sunshine10.1h
☀︎ 89%
9.9h
☀︎ 85%
10.9h
☀︎ 90%
11.3h
☀︎ 91%
11.4h
☀︎ 89%
10.9h
☀︎ 85%
7.1h
☀︎ 55%
5.4h
☀︎ 43%
5.7h
☀︎ 46%
6.2h
☀︎ 52%
9.8h
☀︎ 86%
10.4h
☀︎ 92%
WindE · 23 km/hE · 25 km/hE · 21 km/hE · 21 km/hE · 20 km/hE · 18 km/hE · 17 km/hSE · 17 km/hSE · 17 km/hE · 18 km/hE · 22 km/hE · 25 km/h
Humidity (%)79%76%78%80%80%82%86%88%87%88%83%80%
Day length11.4h11.7h12.1h12.4h12.7h12.9h12.8h12.6h12.2h11.8h11.5h11.3h
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Guam Liberation Day
Events & Festivals
  • Guam Liberation DayholidaySignature event
    July· 50k+ visitors

    Guam Liberation Day on July 21 marks the end of Japanese occupation in 1944 and is the island's biggest annual celebrati…

The story of the seasons in Hagåtña

Standard guidebooks will tell you to visit Hagåtña in February for statistically dry skies, but January is the true sweet spot—offering the same crisp Pacific trade winds without the swelling midwinter crowds that overtake Guam's capital weeks later.

Tucked against the curve of Hagåtña Bay where the Hagåtña River meets the Philippine Sea, Guam's capital is an anomaly of the Western Pacific. With fewer than a thousand permanent residents, it is the second-smallest village on the island by population, yet it remains the beating civic and historical heart of the territory. The village carries four centuries of layered memory in its compact footprint: ancient megalithic foundations, Spanish colonial limestone arches, and mid-century administrative concrete. Because it functions as a working governmental center rather than a manicured resort strip, Hagåtña does not dress itself up for outsiders. Visiting requires an understanding of how moisture, heat, and island rhythms dictate daily life, where an open afternoon stroll can turn from sunlit exploration to a humid endurance test depending entirely on which month you choose.

The Trade Wind Respite and the January Advantage

A conventional weather index points straight to February as the ideal moment to land in Hagåtña. It records the year's lowest rainfall and modest humidity, but relying solely on that metric ignores the island's pulse. In February, travelers from across East Asia descend in massive numbers to escape continental cold and celebrate the Lunar New Year, driving foot traffic through the historic core to its winter peak. January delivers essentially identical conditions—over ten hours of daily sunshine, gentle ocean air, and showers that pass in mere minutes—yet it sits in a post-holiday lull. The village breathes. You can wander between the coral-stone remnants of the Plaza de España and the quiet gardens of Latte Stone Park without jockeying for shade alongside tour bus convoys.

By March, the dry pattern holds, though the midday heat begins to register with more bite. Apparent temperatures climb a few degrees as the morning breeze flags, but evenings remain refreshingly mild. It is an ideal stretch for walking up the limestone ridge to Fort Santa Agueda, where the sweep of the bay opens up without the suffocating haze that blurs the horizon later in the year. If your goal is to experience Hagåtña as a contemplative historic district rather than an open-air sauna, this first quarter of the year is your narrow, golden window.

The Midyear Swell: Escalating Heat and Crowded Shorelines

April serves as the quiet hinge between seasons. The sun hours peak, and precipitation remains light enough to ignore, keeping the village accessible and unhurried. But come May, the island's climate shifts into a heavier gear. Temperatures hover around 30 degrees, yet with the relentless rise in ambient humidity, your body registers the air as a stifling 35. The air grows thick and stationary, trapped between the coastal plain and the southern hills.

Paradoxically, as the outdoor comfort declines, visitor arrivals surge. June marks the absolute peak of the capital's crowd index. School holidays and summer vacations bring thousands of visitors into the small village grid, crowding the parking lots along Paseo de Susana and filling the open-air pavilions at Chamorro Village. Midday walks become punishing affairs; the asphalt around the Dulce Nombre de Maria Cathedral-Basilica radiates intense heat, forcing daily activities into early morning or late afternoon. If you travel now, plan your movements around the shade of ironwood trees and coastal sea breezes, retreating indoors when the midday sun sits directly overhead.

The Monsoon Deluge and the July Exception

By July, the skies open. Hagåtña enters its true wet season, a four-month deluge where the rain shifts from brief coastal spritzes into fierce, plan-canceling torrents. From August through October, monthly rainfall totals routinely exceed 450 millimeters. The rain falls with immense intensity, overwhelming storm drains, turning the mouth of the Hagåtña River into a churning coffee-colored plume, and leaving the air so saturated that stepping outside feels like walking through warm mist.

Yet July holds the island's defining cultural moment: Guam Liberation Day on July 21. Marking the end of wartime occupation in 1944, it transforms Hagåtña into a vibrant, island-wide celebration. A sprawling parade marches right down Marine Corps Drive, followed by weeks of carnivals, fireworks, and smoke-filled food stalls dishing up red rice, barbecue, and kelaguen. It is hot, sticky, and frequently soaked by sudden squalls, but the surge of Chamorro pride and community energy is unmatched. If you want profound cultural immersion, July is worth every drop of rain. If you simply want pleasant sightseeing, avoid August, September, and October entirely. They represent Hagåtña at its most sodden, overcast, and logistically frustrating.

The Autumn Clearing and December's Return to Form

November is a transition period of unpredictable skies. The massive monsoonal deluges begin to taper off, cut nearly in half compared to October, though sudden squalls still roll in off the water without warning. The humidity remains palpable, and the ground rarely dries out entirely, but cooler offshore drafts begin to disrupt the oppressive autumn calm.

December restores balance to the capital. Rainfall drops to manageable levels, cloud cover thins out, and the trade winds reassert their dominance, brushing the palm fronds along Hagåtña Bay and clearing the heavy air. Crowds remain relatively subdued until the final week of the month, making it an exceptional time to explore the city's civic architecture and shoreline paths. As twilight falls over the bay, the temperature dips into comfortable territory, offering a relaxed tropical rhythm that previews the calm perfection of January.

Frequently asked questions

What is the best time to visit Hagåtña?

The best time to visit Hagåtña is January, March, December, April, February, with temperatures between 25 °C and 29 °C. The best month is January. January is low season.

What is the weather like in Hagåtña?

Hagåtña has a Tropical climate with an overall score of 6/10. Annual temperatures range from 25 °C to 30 °C.

What is the hottest month in Hagåtña?

The hottest month in Hagåtña is May, with average highs of 30 °C and lows of 26 °C.

What is the rainiest month in Hagåtña?

The rainiest month in Hagåtña is August, with an average of 512 mm of precipitation.