Kamalasai weather in December

In December, Kamalasai sees average daytime highs of 30°C and overnight lows near 19°C, with 6 mm of rain across 1.4 wet days and about 11 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of December to 11 hours by month's end. Set against the rest of the year, December is Kamalasai's 3rd-clearest and 1st-windiest month. For the whole year in context, see Kamalasai's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
6 mm
1.4 wet days
Daylight
11 hours
6:31 AM – 5:33 PM
Cloud cover
41%
3rd clearest
Wind
12 km/h
1st windiest
Solar energy
4.67 kWh/m²
Travel score
6.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Kamalasai reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53020
63020
73020
83019
93019
103019
113019
123019
133019
143019
153019
163019
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303018
313018

How December really feels in Kamalasai

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.

Kamalasai weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 18°71.711.15.9
Feb33° / 20°122.411.54.6
Mar35° / 23°406.811.92.9
Apr36° / 26°7211.412.42.0
May34° / 26°18821.212.82.0
Jun33° / 26°16820.5132.2
Jul33° / 26°20223.412.92.4
Aug32° / 25°24724.812.52.5
Sep32° / 25°25324.212.12.7
Oct31° / 24°11112.511.64.0
Nov31° / 21°243.411.25.2
Dec30° / 19°61.4116.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36931
46931
56931
66931
76931
86931
96931
107030
117129
127228
137228
147327
157426
167525
177525
187723
197723
207822
217822
227822
237921
247921
258020
268020
278020
287921
297921
307921
317822

Chance of precipitation in December

Any precipitation

Kamalasai gets around 6 mm of rain over 1.4 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
104
114
124
134
144
154
164
174
184
194
204
214
224
234
244
254
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 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1515313614
2615323513
3616323412
4716333311
5717343210
6718343110
781835309
881935308
991936297
10102036286
11112136285
12112135275
13122235274
14132234274
15142233273
16152333263
17162332263
18172331263
19182331263
20182430252
21192430252
22192530242
23192530242
24202530232
25192631231
26192631221
27192632221
28182633221
29182634221
30172634221
31162635221

Wind in December

Winds average 12 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:23 AM to 6:38 AM, and sunset from 5:28 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:235:28
211.16:235:29
311.16:245:29
411.16:245:29
511.16:255:29
611.16:255:29
711.16:265:30
811.16:275:30
911.16:275:30
1011.06:285:31
1111.06:285:31
1211.06:295:31
1311.06:295:32
1411.06:305:32
1511.06:305:32
1611.06:315:33
1711.06:315:33
1811.06:325:34
1911.06:325:34
2011.06:335:35
2111.06:335:35
2211.06:345:35
2311.06:345:36
2411.06:355:36
2511.06:355:37
2611.06:365:37
2711.06:365:38
2811.06:375:38
2911.06:375:39
3011.06:375:40
3111.06:385:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.67 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.13 kWh/m² in April across the year — December's 4.67 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Kamalasai

In seasonPeak

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

Kamalasai's monsoon runs May–September, 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 Kamalasai?

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

6.2
Sightseeing
1st-best month of the year
8.5
Beach & pool
1st-best month of the year

December is a reasonable time to visit Kamalasai for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kamalasai in December

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

In December, Kamalasai sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Kamalasai 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 Kamalasai peaks around August 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 10UV 13Dec 12UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Very high
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Kamalasai 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 Kamalasai is worst in March — around 52 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (December, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1751 µg/m³Dec 1022 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb39Poor
Mar52Poor
Apr41Poor
May30Moderate
Jun23Moderate
Jul24Moderate
Aug25Moderate
Sep27Moderate
Oct27Moderate
Nov22Moderate
Dec22Moderate
Location & terrain

Where is Kamalasai?

Kamalasai sits at 16.3°N, 103.6°E, 146 m above sea level, in Thailand. The nearest listed city is Kalasin, 13 km away.

Topography around Kamalasai

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

Within 3 km, the terrain around Kamalasai has only modest variations in elevation — a maximum elevation change of 27 m around an average of 140 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, significant variations in elevation — a maximum elevation change of 531 m.

The land around Kamalasai is covered by cropland (60%) and trees (28%) within 3 km, cropland (70%) and trees (22%) within 16 km, and cropland (73%) and trees (22%) within 80 km.

3 km
27 m
16 km
71 m
80 km
531 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Kalasin 13 km · Roi Et 32 km · Maha Sarakham 34 km · Nong Kung Si 45 km · Ban Selaphum 54 km · Kuchinarai 55 km · Khao Wong 68 km · Kaset Wisai 76 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 Kamalasai (16.3384°, 103.5756°, elevation 146 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).