Na Klang weather in December

In December, Na Klang sees average daytime highs of 28°C and overnight lows near 17°C, with 7 mm of rain across 1 wet days and about 11 hours of daylight. It is the 12th-warmest and 11th-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 59% of the time in December, and the air most often feels humid.

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 Na Klang's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Na Klang's year-round climate.

Daytime high
28°
12th warmest
Overnight low
17°
2nd coldest
Rainfall
7 mm
1 wet days
Daylight
11 hours
6:38 AM – 5:37 PM
Cloud cover
36%
3rd clearest
Wind
7 km/h
2nd windiest
Solar energy
4.53 kWh/m²
Travel score
7.4
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 Na Klang reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C cooler than January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42918
52918
62918
72918
82918
92918
102918
112818
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222816
232816
242816
252816
262816
272816
282816
292816
302816
312816

How December really feels in Na Klang

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.

Na Klang weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°71.211.16.9
Feb32° / 19°111.911.45.2
Mar34° / 22°345.611.93.4
Apr35° / 25°6510.812.42.3
May34° / 26°17221.212.82.2
Jun33° / 26°15519.4132.4
Jul32° / 26°18721.712.92.6
Aug32° / 25°25424.812.62.6
Sep31° / 25°2622412.12.8
Oct31° / 23°11813.511.64.3
Nov30° / 20°233.311.26.1
Dec28° / 17°71117.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57327
67327
77327
87327
97327
107426
117426
127426
137525
147624
157723
167822
177921
187921
197921
208119
218119
228119
238119
248119
258119
268119
278020
288020
297921
307921
317723

Chance of precipitation in December

Any precipitation

Na Klang gets around 7 mm of rain over 1 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
44
54
64
74
83
93
103
113
123
132
142
152
162
172
182
193
203
213
223
233
243
253
264
274
284
294
304
314

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1712313613
2713323512
3813333412
4814343311
5915353210
691536319
7101637308
8101737297
9111738287
10111838276
11121938265
12131937264
13142037254
14162136253
15172135253
16182134252
17192233252
18202232252
19202331242
20212330242
21222429242
22222528241
23222528231
24222628231
25222728221
26212728221
27212729221
28202730221
29192831211
30182832211
31172832211

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
306calm
316calm

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 6:30 AM to 6:45 AM, and sunset from 5:32 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:305:32
211.06:305:32
311.06:315:33
411.06:325:33
511.06:325:33
611.06:335:33
711.06:335:33
811.06:345:34
911.06:345:34
1011.06:355:34
1111.06:365:35
1211.06:365:35
1311.06:375:35
1411.06:375:36
1511.06:385:36
1611.06:385:37
1711.06:395:37
1811.06:395:37
1911.06:405:38
2011.06:405:38
2111.06:415:39
2211.06:415:39
2311.06:425:40
2411.06:425:40
2511.06:435:41
2611.06:435:41
2711.06:435:42
2811.06:445:42
2911.06:445:43
3011.06:455:43
3111.06:455:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.53 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.01 kWh/m² in April across the year — December's 4.53 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in December

Hazard calendar for Na Klang

In seasonPeak

None of Na Klang's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Na Klang's monsoon runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Na Klang?

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

7.4
Sightseeing
1st-best month of the year
8.7
Beach & pool
2nd-best month of the year

December is one of the better times to visit Na Klang for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Na Klang in December

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

In December, Na Klang sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Na Klang in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Na Klang peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Na Klang 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 Na Klang is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (July, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModerateMar 1861 µg/m³Jul 1320 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb45Poor
Mar63Unhealthy
Apr50Poor
May28Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep23Moderate
Oct25Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Na Klang?

Na Klang sits at 17.3°N, 102.2°E, 253 m above sea level, in Thailand. The nearest listed city is Erawan, 25 km away.

Topography around Na Klang

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

Within 3 km, the terrain around Na Klang has only modest variations in elevation — a maximum elevation change of 97 m around an average of 250 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 371 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,440 m.

The land around Na Klang is covered by cropland (60%) and trees (28%) within 3 km, cropland (68%) and trees (26%) within 16 km, and trees (51%) and cropland (43%) within 80 km.

3 km
97 m
16 km
371 m
80 km
1,440 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Erawan 25 km · Nong Bua Lamphu 29 km · Kut Chap 42 km · Wang Saphung 45 km · Nam Som 52 km · Loei 53 km · Phu Kradueng 57 km · Udon Thani 64 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 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 Na Klang (17.3072°, 102.1889°, elevation 253 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. 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).