Kalasin weather in December

In December, Kalasin sees average daytime highs of 30°C and overnight lows near 19°C, with 5 mm of rain across 1.1 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 55% 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 Kalasin's 3rd-clearest and 1st-windiest month. For the whole year in context, see Kalasin's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
2nd coldest
Rainfall
5 mm
1.1 wet days
Daylight
11 hours
6:31 AM – 5:33 PM
Cloud cover
39%
3rd clearest
Wind
12 km/h
1st windiest
Solar energy
4.64 kWh/m²
Travel score
6.6
out of 10

Kalasin is থাইল্যান্ডের কালাসিন প্রদেশের শহর.

Density
3,249/km²
people per km²
Founded
1937

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

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 Kalasin 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)
13020
23020
33020
43020
53020
63019
73019
83019
93019
103019
113019
123019
132919
142919
152919
162918
172918
182918
192918
202918
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918
312918

How December really feels in Kalasin

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.

Kalasin 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
Jan30° / 18°61.711.16.2
Feb32° / 20°112.311.44.9
Mar35° / 23°376.311.93.1
Apr36° / 26°691112.42.2
May34° / 26°18320.712.82.1
Jun33° / 26°16720.7132.3
Jul32° / 26°20622.712.92.6
Aug32° / 25°25025.212.62.5
Sep31° / 25°24623.612.12.8
Oct31° / 24°10412.311.64.2
Nov31° / 21°223.211.25.5
Dec30° / 19°51.1116.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% 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 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57228
67228
77228
87228
97327
107327
117327
127525
137525
147723
157723
167822
177822
188020
198020
208020
218119
228119
238119
248119
258218
268218
278218
288218
298119
308119
318119

Chance of precipitation in December

Any precipitation

Kalasin gets around 5 mm of rain over 1.1 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
24
34
44
54
64
74
84
93
103
113
123
133
143
153
163
173
183
193
203
213
223
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 (%)
1514313614
2614323513
3615333412
4716333311
5716343211
6717353110
781735309
881836308
991936297
10101936287
11112036286
12122035275
13132135275
14142134274
15152133274
16162232264
17172232264
18172231264
19182330263
20192330253
21192330253
22192430243
23202430243
24202530232
25192531232
26192531222
27192532222
28182533222
29172534222
30172535212
31162536212

Wind in December

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

Across December, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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
211.16:245:29
311.16:245:29
411.16:255:29
511.16:255:29
611.16:265:30
711.16:265:30
811.16:275:30
911.06:285:30
1011.06:285:31
1111.06:295:31
1211.06:295:31
1311.06:305:32
1411.06:305:32
1511.06:315:33
1611.06:315:33
1711.06:325:33
1811.06:325:34
1911.06:335:34
2011.06:335:35
2111.06:345:35
2211.06:345:36
2311.06:355:36
2411.06:355:37
2511.06:365:37
2611.06:365:38
2711.06:375:38
2811.06:375:39
2911.06:375:39
3011.06:385:40
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 4.64 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.09 kWh/m² in April across the year — December's 4.64 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
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
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Kalasin

In seasonPeak

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

Kalasin'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 Kalasin?

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

6.6
Sightseeing
1st-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Kalasin in December

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

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

light clothessun protection

UV index in Kalasin 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 Kalasin 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 Kalasin 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 Kalasin 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 Kalasin?

Kalasin sits at 16.4°N, 103.5°E, 152 m above sea level, in Thailand. The nearest listed city is Kamalasai, 13 km away.

Topography around Kalasin

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

Within 3 km, the terrain around Kalasin has only modest variations in elevation — a maximum elevation change of 23 m around an average of 144 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, significant variations in elevation — a maximum elevation change of 528 m.

The land around Kalasin is covered by trees (36%), cropland (32%) and artificial surfaces (25%) within 3 km, cropland (68%) and trees (22%) within 16 km, and cropland (73%) and trees (22%) within 80 km.

3 km
23 m
16 km
89 m
80 km
528 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Kamalasai 13 km · Nong Kung Si 33 km · Maha Sarakham 35 km · Roi Et 45 km · Kuchinarai 59 km · Ban Selaphum 66 km · Khao Wong 69 km · Khon Kaen 72 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 Kalasin (16.4328°, 103.5066°, elevation 152 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).