Hồng Lĩnh weather in December

In December, Hồng Lĩnh sees average daytime highs of 22°C and overnight lows near 17°C, with 69 mm of rain across 9.6 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 22°C by the end. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Hồng Lĩnh's 8th-clearest and 1st-windiest month. For the whole year in context, see Hồng Lĩnh's year-round climate.

Daytime high
22°
11th warmest
Overnight low
17°
3rd coldest
Rainfall
69 mm
9.6 wet days
Daylight
10 h 54 min
6:27 AM – 5:20 PM
Cloud cover
79%
8th clearest
Wind
10 km/h
1st windiest
Solar energy
2.42 kWh/m²
Travel score
6.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 22°C by the end.

A typical December day in Hồng Lĩnh reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12419
22419
32319
42318
52318
62318
72318
82318
92318
102318
112218
122217
132217
142217
152217
162217
172217
182217
192217
202217
212217
222217
232217
242217
252217
262216
272216
282216
292216
302216
312216

How December really feels in Hồng Lĩnh

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.

Hồng Lĩnh weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 16°437.8116.4
Feb23° / 17°306.711.46.9
Mar26° / 20°507.311.96.9
Apr30° / 23°638.312.45.1
May33° / 26°1311312.93.2
Jun35° / 28°10010.513.12.3
Jul35° / 28°14412.7132.4
Aug33° / 27°20917.912.62.7
Sep31° / 26°34219.412.13.3
Oct29° / 23°41219.711.64.5
Nov26° / 20°1521411.15.9
Dec22° / 17°699.610.96.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22476
32476
42476
52278
62278
72179
82179
92080
102080
111981
121981
132080
142179
152179
162179
172179
182179
192278
202278
212278
222377
232377
242476
252476
262476
272575
282575
292476
302476
312476

Chance of precipitation in December

Any precipitation

Hồng Lĩnh gets around 69 mm of rain over 9.6 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 31% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
240
338
437
536
635
734
834
933
1032
1131
1230
1330
1429
1528
1628
1728
1828
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3128

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 26% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
17152330213
28162430192
39172430182
410172530172
510172529162
611182529152
712182628142
813192628131
914192627121
1015192626121
1117202625121
1218202525111
1319202524111
1420212423111
1521212323120
1621212322120
1722222222120
1822222222120
1923222222110
2023222122110
2123232122100
2223232123100
232323212390
242323222480
252324222570
262224222670
272124222760
282024222850
292024222950
301924233050
311824233140

Wind in December

Winds average 10 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 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 6:18 AM to 6:33 AM, and sunset from 5:16 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:185:16
211.06:195:16
311.06:195:16
410.96:205:16
510.96:205:17
610.96:215:17
710.96:225:17
810.96:225:17
910.96:235:18
1010.96:235:18
1110.96:245:18
1210.96:245:19
1310.96:255:19
1410.96:255:19
1510.96:265:20
1610.96:275:20
1710.96:275:21
1810.96:285:21
1910.96:285:21
2010.96:295:22
2110.96:295:22
2210.96:305:23
2310.96:305:23
2410.96:305:24
2510.96:315:24
2610.96:315:25
2710.96:325:25
2810.96:325:26
2910.96:335:26
3010.96:335:27
3110.96:335:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.42 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.64 kWh/m² in June across the year — December's 2.42 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Hồng Lĩnh

In seasonPeak

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

Hồng Lĩnh sits in the Pacific typhoon belt; the season peaks July–October.

Hồng Lĩnh's monsoon runs August–October, 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 Hồng Lĩnh?

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

6.4
Sightseeing
3rd-best month of the year
4.6
Beach & pool
11th-best month of the year

December is a reasonable time to visit Hồng Lĩnh for sightseeing.

What to pack for Hồng Lĩnh in December

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

In December, Hồng Lĩnh sees daytime highs around 22°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Hồng Lĩnh in December

The nearest coast averages about 23°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 21 km away) is warmest in August at about 30°C and coldest in February near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Warm
May28Warm
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Hồng Lĩnh 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 Hồng Lĩnh peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighAug 11UV 13Dec 15UV 6
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar10Extreme
Apr9Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec6High

Air quality in Hồng Lĩnh 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 Hồng Lĩnh is worst in April — around 62 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 18 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorApr 1161 µg/m³Jul 1618 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb52Poor
Mar57Unhealthy
Apr62Unhealthy
May35Poor
Jun20Moderate
Jul18Moderate
Aug21Moderate
Sep30Moderate
Oct41Poor
Nov47Poor
Dec52Poor
Location & terrain

Where is Hồng Lĩnh?

Hồng Lĩnh sits at 18.5°N, 105.7°E, 11 m above sea level, in Vietnam. The nearest listed city is Nghèn, 12 km away.

Topography around Hồng Lĩnh

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

Within 3 km, the terrain around Hồng Lĩnh has significant variations in elevation — a maximum elevation change of 360 m around an average of 36 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 670 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,269 m.

The land around Hồng Lĩnh is covered by trees (35%) and cropland (35%) within 3 km, cropland (43%) and trees (35%) within 16 km, and trees (57%) and water (27%) within 80 km.

3 km
360 m
16 km
670 m
80 km
2,269 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Nghèn 12 km · Bến Thủy 14 km · Nghi Xuân 15 km · Yên Vinh 16 km · Vinh 16 km · Hà Tĩnh 29 km · Diễn Thành 51 km · Kim Liên 57 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 Hồng Lĩnh (18.5286°, 105.7064°, elevation 11 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).