Dededo Village weather in December

In December, Dededo Village sees average daytime highs of 28°C and overnight lows near 26°C, with 93 mm of rain across 16.8 wet days and about 11.2 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 18 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Dededo Village's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Dededo Village's year-round climate.

Daytime high
28°
8th warmest
Overnight low
26°
9th coldest
Rainfall
93 mm
16.8 wet days
Daylight
11 h 12 min
6:41 AM – 5:53 PM
Cloud cover
48%
3rd clearest
Wind
30 km/h
2nd windiest
Solar energy
4.86 kWh/m²
Travel score
5.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Dededo Village reaches about 28°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282726
292726
302726
312726

How December really feels in Dededo Village

Once humidity and wind are folded in, December averages 7 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
7
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Dededo Village weather by month

How December compares with the rest of the year at a glance. December is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°7114.711.36.0
Feb27° / 26°5111.311.66.3
Mar27° / 26°4510.211.96.7
Apr27° / 26°6711.112.36.5
May28° / 27°811512.65.6
Jun28° / 27°14020.412.84.4
Jul28° / 26°27328.412.73.3
Aug28° / 26°35029.212.43.2
Sep28° / 26°31427.212.13.3
Oct28° / 26°27927.511.73.6
Nov28° / 27°17521.511.44.5
Dec28° / 26°9316.811.25.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36634
46733
56733
66832
76832
86832
96931
106931
116931
126931
137030
146931
156931
166931
176832
186832
196832
206832
216832
226832
236832
246832
256832
266832
276832
286832
296832
306733
316733

Chance of precipitation in December

Any precipitation

Dededo Village gets around 93 mm of rain over 16.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 55% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
164
262
361
460
559
658
757
857
956
1055
1155
1255
1355
1455
1555
1655
1755
1855
1954
2054
2153
2253
2352
2452
2551
2650
2749
2849
2948
3048
3148

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the miserable band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112871
213069
313168
413267
513465
613564
723662
823860
923959
1024058
1124157
1224256
1324355
1424454
1524553
1624652
1724652
1824751
1934849
2034948
2135047
2235245
2335443
2435641
2535740
2645838
2746036
2846234
2946432
3046630
3146828

Wind in December

Winds average 30 km/h in December.

Across December, daily wind ranges from about 29 km/h on the calmest days to 30 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
129breezy
229breezy
329breezy
429windy
529windy
629windy
729windy
829windy
929windy
1030windy
1130windy
1230windy
1330windy
1430windy
1530windy
1630windy
1730windy
1830windy
1930windy
2030windy
2130windy
2230windy
2330windy
2430windy
2530windy
2630windy
2730windy
2830windy
2929windy
3029windy
3129windy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:33 AM to 6:47 AM, and sunset from 5:48 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:335:48
211.36:335:48
311.26:345:49
411.26:345:49
511.26:355:49
611.26:355:49
711.26:365:50
811.26:365:50
911.26:375:50
1011.26:375:51
1111.26:385:51
1211.26:395:51
1311.26:395:52
1411.26:405:52
1511.26:405:53
1611.26:415:53
1711.26:415:53
1811.26:425:54
1911.26:425:54
2011.26:435:55
2111.26:435:55
2211.26:445:56
2311.26:445:56
2411.26:445:57
2511.26:455:57
2611.26:455:58
2711.26:465:58
2811.26:465:59
2911.26:475:59
3011.26:476:00
3111.26:476:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.86 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.68 kWh/m² in April across the year — December's 4.86 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Dededo Village

In seasonPeak

In December, Dededo Village sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Dededo Village sits in the Pacific typhoon belt; the season peaks July–October.

Dededo Village's monsoon runs July–November, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Dededo Village?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
5th-best month of the year
5.9
Beach & pool
6th-best month of the year

December is a reasonable time to visit Dededo Village for sightseeing.

What to pack for Dededo Village in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Dededo Village sees daytime highs around 28°C and nights near 26°C. Pack light clothes, rain gear and a windbreaker. Worth having: sun protection. About 17 days see rain.

light clothesrain geara windbreakersun protection

Sea temperature near Dededo Village in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in July at about 29°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Dededo Village in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dededo Village peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 14Dec 19UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high
Location & terrain

Where is Dededo Village?

Dededo Village sits at 13.5°N, 144.8°E, 98 m above sea level, in Guam. The nearest listed city is Yigo Village, 6.0 km away.

Yigo VillageTamuning-Tumon-Harmon VillageTumonMangilao VillageHagatna

Topography around Dededo Village

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dededo Village.

Within 3 km, the terrain around Dededo Village has only modest variations in elevation — a maximum elevation change of 150 m around an average of 105 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 265 m; within 80 km, significant variations in elevation — a maximum elevation change of 483 m.

The land around Dededo Village is covered by trees (61%) and artificial surfaces (24%) within 3 km, water (63%) and trees (25%) within 16 km, and water (94%) within 80 km.

3 km
150 m
16 km
265 m
80 km
483 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Yigo Village 6.0 km · Tamuning-Tumon-Harmon Village 7.0 km · Tumon 7.0 km · Mangilao Village 9.0 km · Hagatna 11 km · Saipan 213 km · Ngerulmud 1,301 km · Koror 1,325 km

Guam travel facts

Power plugs
Type A / B
110 V · 60 Hz
GDP per capita
$41,833
2022
Safe drinking water
94%
of population, 2024
Homicide rate
4.3
per 100k, 2019
Income group
High
World Bank
Religion
Christian 94%unaffiliated 2%other 2%folk religions 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Dededo Village (13.5178°, 144.8391°, elevation 98 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).