The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
Measure in

Tamuning Weather in December

Tamuning in December

The short of it: Tamuning in December averages a high of 30 °C (85 °F) and a low of 24 °C (76 °F), with 150 mm (5.9 in) of rain and about 11 h 20 min of daylight. Rated 2 of 5 for a visit; the best months are January and February. Source: TerraClimate climate normals, 1991–2020.

Average high 30° · low 24° · rain 150 mm · daylight 11 h 20 min

✦✦ Travel with care for a visit · best months: January & February

Thirty years of records give Tamuning an average December high of 30°, a low of 24° and some 150 mm of rain. Much like November: highs about 30°, nights near 24°. Easy travelling weather. Wet spells are common — about 150 mm, the 7th wettest month.

The sun is up for about 11 h 20 min in mid-December.

For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates December 2 of 5 for a visit; the finest months here are January and February.

Against its neighbours, Tamuning runs warmer than most and wetter than most in December. Tamuning-Tumon-Harmon Village, 0 km to the NNW, sees much the same highs.

December in Tamuning, by the numbers

Warmth rank
10th warmest of 12
Rain rank
7th wettest of 12
Versus November
1° colder, 71 mm less rain
Versus January
1° warmer
Day–night spread
5°
Snow season
seldom any
Daylight, mid-month
11 h 20 min
Average wind
20 km/h

Neighbouring Towns

December averages · distance by the crow’s flight
TownDistanceHighLowRain
Tamuning-Tumon-Harmon VillageTamuning0 km NNW30°24°150 mm
ApotganTamuning1 km W30°24°150 mm
Mongmong-Toto-Maite VillageMongmong-Toto-Maite2 km S30°24°150 mm
Barrigada VillageBarrigada3 km SE30°24°142 mm
Hagåtña VillageHagatna3 km WSW30°24°150 mm
HagåtñaHagatna4 km WSW29°24°154 mm
Sinajana VillageSinajana4 km SW30°24°150 mm
Agana Heights VillageAgana Heights4 km SW29°24°154 mm

The Almanac · Tamuning Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Travel with care
The Almanac Speaks
December
✦✦✦✦✦

Much like November: highs about 30°, nights near 24°. Easy travelling weather. Wet spells are common — about 150 mm, the 7th wettest month.

Climate of Tamuning by month
MonthHighLowRainWindDaylightVisit
January29°24°123 mm20 km/h11 h 25 min✦✦
February29°23°96 mm20 km/h11 h 41 min✦✦
March30°24°82 mm19 km/h12 h 1 min✦✦
April31°25°94 mm17 km/h12 h 25 min✦✦
May31°25°126 mm15 km/h12 h 45 min✦✦
June31°25°173 mm15 km/h12 h 55 min✦✦
July31°25°287 mm13 km/h12 h 51 min✦✦
August31°24°423 mm14 km/h12 h 34 min✦✦
September31°24°382 mm11 km/h12 h 11 min✦✦
October31°25°354 mm12 km/h11 h 48 min✦✦
November30°25°221 mm18 km/h11 h 29 min✦✦
December30°24°150 mm20 km/h11 h 20 min✦✦

Questions Readers Ask about Tamuning in December

Answered from the wire & the Almanac

What is the weather like in Tamuning in December?

Days average 30 °C (85 °F) and nights 24 °C (76 °F), with about 150 mm (5.9 in) of rain over the month. Much like November: highs about 30°, nights near 24°. Easy travelling weather. Wet spells are common — about 150 mm, the 7th wettest month.

Is December a good time to visit Tamuning?

The Almanac gives December 2 of 5 (travel with care). The best months are January and February.

How long are the days in Tamuning in December?

In mid-December the sun is up for about 11 h 20 min. These are the shortest days of the year; the longest, in June, last 12 h 55 min.

Does it snow in Tamuning in December?

Hardly — December nights average 24 °C (76 °F), above freezing.

What should I pack for Tamuning in December?

Linen, a wide hat, sun cream and water, plus a good raincoat — it is a wet month.

More Towns in Guam

All towns in Guam →

Dededo Village · Yigo Village · Tamuning-Tumon-Harmon Village · Mangilao Village · Barrigada Village · Santa Rita Village · Mongmong-Toto-Maite Village · Chalan Pago-Ordot Village · Yona Village · Apotgan · Agana Heights Village · Adacao

The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor