Dededo Village weather in August

In August, Dededo Village sees average daytime highs of 28°C and overnight lows near 26°C, with 350 mm of rain across 29.2 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 1st-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 5% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Dededo Village's 12th-clearest and 11th-windiest month. For the whole year in context, see Dededo Village's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
26°
6th coldest
Rainfall
350 mm
29.2 wet days
Daylight
12 h 30 min
6:11 AM – 6:38 PM
Cloud cover
87%
12th clearest
Wind
18 km/h
11th windiest
Solar energy
5.24 kWh/m²
Travel score
3.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Dededo Village reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152826
162826
172826
182826
192826
202826
212826
222826
232826
242826
252826
262826
272826
282826
292826
302826
312826

How August really feels in Dededo Village

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Dededo Village weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21288
31288
41288
51288
61288
71288
81189
91189
101189
111189
121090
13991
14991
15991
16991
17991
18991
19991
201090
211090
221288
231288
241387
251486
261585
271585
281585
291585
301585
311585

Chance of precipitation in August

Any precipitation

Dededo Village gets around 350 mm of rain over 29.2 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
695
795
895
995
1096
1196
1296
1396
1497
1597
1697
1797
1896
1996
2096
2195
2295
2394
2494
2593
2693
2792
2892
2991
3091
3191

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12476
22476
32377
42377
52377
62278
72278
82278
92278
102278
112377
122377
132476
142476
152476
162476
172476
182476
192476
202476
212476
222476
232476
242377
252377
262278
272278
282179
292179
302080
312080

Wind in August

Winds average 18 km/h in August.

Across August, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3017light breeze
3117light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 6:09 AM to 6:12 AM, and sunset from 6:45 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:096:45
212.66:096:45
312.66:096:44
412.66:096:44
512.66:096:43
612.66:106:43
712.56:106:43
812.56:106:42
912.56:106:42
1012.56:106:41
1112.56:106:41
1212.56:116:40
1312.56:116:40
1412.56:116:39
1512.56:116:39
1612.56:116:38
1712.46:116:38
1812.46:116:37
1912.46:116:37
2012.46:126:36
2112.46:126:35
2212.46:126:35
2312.46:126:34
2412.46:126:34
2512.36:126:33
2612.36:126:32
2712.36:126:32
2812.36:126:31
2912.36:126:30
3012.36:126:30
3112.36:126:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.24 kWh/m².

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 — August's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Dededo Village

In seasonPeak

In August, Dededo Village sits inside its pacific typhoon and monsoon 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 August a good time to visit Dededo Village?

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

3.2
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Dededo Village.

What to pack for Dededo Village in August

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

In August, Dededo Village sees daytime highs around 28°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Dededo Village in August

The nearest coast averages about 29°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 14 (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
August 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).