Quán Hàu weather in December

In December, Quán Hàu sees average daytime highs of 23°C and overnight lows near 21°C, with 243 mm of rain across 21.2 wet days and about 11 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Quán Hàu's 9th-clearest and 1st-windiest month. For the whole year in context, see Quán Hàu's year-round climate.

Daytime high
23°
10th warmest
Overnight low
21°
3rd coldest
Rainfall
243 mm
21.2 wet days
Daylight
11 hours
6:21 AM – 5:19 PM
Cloud cover
77%
9th clearest
Wind
21 km/h
1st windiest
Solar energy
2.49 kWh/m²
Travel score
4.9
out of 10

Quán Hàu is township in Quảng Bình, Vietnam.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 22°C by the end.

A typical December day in Quán Hàu reaches about 23°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12422
22422
32422
42422
52322
62322
72322
82322
92321
102321
112321
122321
132321
142321
152321
162221
172221
182221
192221
202221
212221
222220
232220
242220
252220
262220
272220
282220
292220
302220
312220

How December really feels in Quán Hàu

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Quán Hàu weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 20°13117.411.15.3
Feb22° / 20°6712.611.46.0
Mar24° / 22°7110.611.96.8
Apr26° / 24°669.212.46.7
May29° / 27°8211.212.85.2
Jun31° / 28°546134.5
Jul31° / 28°877.312.94.5
Aug31° / 28°14211.612.64.3
Sep29° / 27°37118.812.14.1
Oct27° / 25°49223.111.64.6
Nov25° / 23°34220.611.25.0
Dec23° / 21°24321.2114.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33268
43268
53070
62971
72872
82773
92575
102476
112476
122377
132377
142476
152377
162377
172377
182377
192476
202575
212674
222674
232674
242773
252872
262971
273070
283070
293169
303367
313367

Chance of precipitation in December

Any precipitation

Quán Hàu gets around 243 mm of rain over 21.2 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 68% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
573
673
773
873
972
1072
1172
1272
1371
1470
1569
1669
1768
1867
1967
2066
2165
2265
2364
2463
2562
2662
2761
2860
2960
3060
3159

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1151841313
2161942292
3162042282
4162142272
5272342252
6272442241
7272542231
8282642221
9282741211
10292841201
11292940201
123102938190
133112937190
144123036190
154123035190
165133034190
175133033190
185142933180
196152933180
206152933170
216162933160
227162933150
237162933140
247162934140
257162935130
267162936120
277162937110
286162938110
296152939110
306152940110
315142940110

Wind in December

Winds average 21 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2520breezy
2620breezy
2720breezy
2820light breeze
2920light breeze
3019light breeze
3119light breeze

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:12 AM to 6:27 AM, and sunset from 5:14 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:125:14
211.06:135:14
311.06:135:15
411.06:145:15
511.06:155:15
611.06:155:15
711.06:165:16
811.06:165:16
911.06:175:16
1011.06:175:16
1111.06:185:17
1211.06:185:17
1311.06:195:17
1411.06:205:18
1511.06:205:18
1611.06:215:19
1711.06:215:19
1811.06:225:19
1911.06:225:20
2011.06:235:20
2111.06:235:21
2211.06:245:21
2311.06:245:22
2411.06:255:22
2511.06:255:23
2611.06:255:23
2711.06:265:24
2811.06:265:24
2911.06:275:25
3011.06:275:25
3111.06:275:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.49 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.96 kWh/m² in May across the year — December's 2.49 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Quán Hàu

In seasonPeak

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

Quán Hàu sits in the Pacific typhoon belt; the season peaks July–October.

Quán Hàu's monsoon runs September–December, 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 Quán Hàu?

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

4.9
Sightseeing
7th-best month of the year
3.7
Beach & pool
11th-best month of the year

December is a reasonable time to visit Quán Hàu for sightseeing.

What to pack for Quán Hàu in December

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

In December, Quán Hàu sees daytime highs around 23°C and nights near 21°C. Pack rain gear. Worth having: light clothes and a windbreaker. About 21 days see rain.

rain gearlight clothesa windbreaker

Sea temperature near Quán Hàu in December

The nearest coast averages about 24°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 25 km away) is warmest in August at about 30°C and coldest in February near 22°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec24Refreshing

UV index in Quán Hàu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Quán Hàu peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighAug 12UV 13Dec 16UV 6
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar9Very high
Apr9Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Quán Hàu in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Quán Hàu is worst in April — around 65 µg/m³ PM2.5 (unhealthy), about 4.9× the cleanest month (July, 13 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 1064 µg/m³Jul 1514 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb26Moderate
Mar62Unhealthy
Apr65Unhealthy
May21Moderate
Jun14Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct20Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Quán Hàu?

Quán Hàu sits at 17.4°N, 106.6°E, 13 m above sea level, in Vietnam. The nearest listed city is Đồng Hới, 7.0 km away.

thị xã Quảng TrịPhong Điền

Topography around Quán Hàu

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

Within 3 km, the terrain around Quán Hàu has only modest variations in elevation — a maximum elevation change of 25 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 711 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.

The land around Quán Hàu is covered by cropland (30%) within 3 km, trees (35%) and water (35%) within 16 km, and trees (62%) and water (31%) within 80 km.

3 km
25 m
16 km
711 m
80 km
1,630 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Đồng Hới 7.0 km · Hoàn Lão 23 km · Ba Đồn 45 km · Cam Lộ 76 km · Ðông Hà 82 km · Kỳ Anh 82 km · thị xã Quảng Trị 93 km · Phong Điền 119 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

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 Quán Hàu (17.4044°, 106.6407°, elevation 13 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).