Guam · 1991–2020 normal

Tamuning-Tumon-Harmon Village in
January.

Typical January weather in Tamuning-Tumon-Harmon Village: 29.9°C by day, 24.1°C at night, 128 mm of rain over 14.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.9°C
Typical low24.1°C
Rain128 mm
Wet days14.8

In the year-round weather comparison, January scores 40 out of 100 (March leads the year at 49). Daylight is calculated as 11 h 24 from latitude 13.49°. Open-water sea temperature is 27.9°C (16 km from the place centre).

January at a glance

What is Tamuning-Tumon-Harmon Village like in January?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Tamuning-Tumon-Harmon Village hot in January?

Days are typically warm at 29.9°C, while nights average 24.1°C.

Does it rain much?

The measured monthly average is 128 mm across about 15 wet days.

How much daylight is there?

There are about 11 h 24 between sunrise and sunset at mid-month, calculated from the place latitude.

Is January a good time to visit?

January ranks 4 of 12 in our weather comparison; March ranks first.

Event window

Warm sea in January

The nearest open-water NOAA OISST 1991–2020 cell averages 27.9°C in January. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4038659
NOAA station
GQW00041406 · GUAM INTERNATIONAL AIRPORT
Station distance
6.4 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

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Choose your month.
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The weather comparison for Tamuning-Tumon-Harmon Village is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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