Chum Phae weather in December

In December, Chum Phae sees average daytime highs of 28°C and overnight lows near 17°C, with 6 mm of rain across 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 28°C through the month. The sky is clear or mostly clear about 52% 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 Chum Phae's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Chum Phae's year-round climate.

Daytime high
28°
12th warmest
Overnight low
17°
2nd coldest
Rainfall
6 mm
1 wet days
Daylight
11 hours
6:37 AM – 5:38 PM
Cloud cover
41%
3rd clearest
Wind
7 km/h
2nd windiest
Solar energy
4.58 kWh/m²
Travel score
7.9
out of 10

Chum Phae is town in Khon Kaen province, Thailand.

Founded
1956

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 28°C through the month.

A typical December day in Chum Phae 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 24°C and 31°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)
12819
22819
32818
42818
52818
62818
72818
82818
92818
102818
112818
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232816
242816
252816
262816
272816
282816
292816
302816
312816

How December really feels in Chum Phae

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.

Chum Phae 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
Jan29° / 17°102.111.17.0
Feb31° / 19°143.111.45.4
Mar33° / 22°417.811.93.7
Apr34° / 24°7913.912.42.6
May33° / 25°15622.312.82.4
Jun33° / 25°12719.2132.6
Jul32° / 25°14921.712.92.7
Aug31° / 25°19123.812.62.7
Sep31° / 24°2242412.12.9
Oct30° / 23°1101411.64.5
Nov29° / 20°223.811.26.4
Dec28° / 17°61117.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36733
46733
56733
66832
76832
86832
96931
106931
117030
127030
137129
147228
157327
167426
177525
187525
197624
207723
217723
227822
237822
247822
257822
267822
277723
287723
297624
307624
317525

Chance of precipitation in December

Any precipitation

Chum Phae gets around 6 mm of rain over 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 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
133
142
152
162
172
183
193
203
213
223
233
243
254
264
274
284
294
305
315

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 34% 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 (%)
1613313812
2613323811
3714333710
4714343510
581535349
681536338
781636328
891737307
991738296
10101838286
11111938275
12122037274
13132037264
14142136253
15152135253
16162235253
17172234243
18182333242
19192332242
20192431242
21202431232
22202530232
23202630222
24202730222
25202730212
26202730211
27192831201
28182832202
29182833202
30172933202
31162934192

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
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
276calm
286calm
296calm
306calm
316calm

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 6:29 AM to 6:44 AM, and sunset from 5:34 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:295:34
211.16:295:34
311.16:305:34
411.16:315:34
511.16:315:35
611.16:325:35
711.06:325:35
811.06:335:36
911.06:335:36
1011.06:345:36
1111.06:345:36
1211.06:355:37
1311.06:365:37
1411.06:365:38
1511.06:375:38
1611.06:375:38
1711.06:385:39
1811.06:385:39
1911.06:395:40
2011.06:395:40
2111.06:405:41
2211.06:405:41
2311.06:415:41
2411.06:415:42
2511.06:425:42
2611.06:425:43
2711.06:425:43
2811.06:435:44
2911.06:435:44
3011.06:445:45
3111.06:445:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.58 kWh/m².

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 5.96 kWh/m² in April across the year — December's 4.58 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
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Chum Phae

In seasonPeak

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

Chum Phae'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 Chum Phae?

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

7.9
Sightseeing
1st-best month of the year
8.5
Beach & pool
2nd-best month of the year

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

What to pack for Chum Phae in December

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

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

light clothessun protection

UV index in Chum Phae 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 Chum Phae peaks around August 13 at about 14 (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 13UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec8Very high

Air quality in Chum Phae 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 Chum Phae is worst in March — around 51 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (June, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1550 µg/m³Jun 2319 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb45Poor
Mar51Poor
Apr41Poor
May27Moderate
Jun19Moderate
Jul19Moderate
Aug20Moderate
Sep21Moderate
Oct24Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Chum Phae?

Chum Phae sits at 16.5°N, 102.1°E, 227 m above sea level, in Thailand. The nearest listed city is Phu Khiao, 19 km away.

Topography around Chum Phae

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

Within 3 km, the terrain around Chum Phae has only modest variations in elevation — a maximum elevation change of 36 m around an average of 222 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 648 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.

The land around Chum Phae is covered by cropland (38%), trees (34%) and artificial surfaces (22%) within 3 km, cropland (67%) and trees (25%) within 16 km, and cropland (50%) and trees (43%) within 80 km.

3 km
36 m
16 km
648 m
80 km
1,163 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Phu Khiao 19 km · Kaset Sombun 33 km · Phu Kradueng 44 km · Kaeng Khro 51 km · Khon Kaen 79 km · Nong Bua Lamphu 82 km · Chaiyaphum 82 km · Na Klang 85 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 Chum Phae (16.5443°, 102.0992°, elevation 227 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).