Uttaradit weather in December

In December, Uttaradit sees average daytime highs of 30°C and overnight lows near 18°C, with 14 mm of rain across 2 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 30°C through the month. The sky is clear or mostly clear about 63% of the time in December, and the air most often feels muggy.

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 Uttaradit's 4th-clearest and 8th-windiest month. For the whole year in context, see Uttaradit's year-round climate.

Daytime high
30°
12th warmest
Overnight low
18°
2nd coldest
Rainfall
14 mm
2 wet days
Daylight
11 hours
6:47 AM – 5:44 PM
Cloud cover
34%
4th clearest
Wind
5 km/h
8th windiest
Solar energy
4.44 kWh/m²
Travel score
6.1
out of 10

Uttaradit is town in Uttaradit province, Thailand.

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 Uttaradit reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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
53119
63119
73119
83019
93019
103019
113019
123019
133019
143018
153018
163018
173018
183018
193018
203018
213018
223018
233017
243017
253017
263017
273017
283017
293017
303017
313017

How December really feels in Uttaradit

Once humidity and wind are folded in, December averages 5 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
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Uttaradit 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
Jan31° / 17°192.311.15.8
Feb33° / 19°111.311.44.3
Mar36° / 22°324.211.92.6
Apr37° / 25°679.712.41.7
May34° / 26°22121.212.82.0
Jun33° / 25°24625132.2
Jul32° / 25°27326.512.92.5
Aug31° / 25°33128.412.62.4
Sep31° / 25°28926.512.12.5
Oct32° / 24°1251611.63.7
Nov31° / 21°304.511.25.1
Dec30° / 18°142116.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57921
67921
78020
87921
97921
107921
117921
128020
138020
148218
158218
168218
178317
188317
198416
208515
218515
228515
238515
248515
258515
268416
278416
288416
298317
308317
318218

Chance of precipitation in December

Any precipitation

Uttaradit gets around 14 mm of rain over 2 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 7% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
59
69
79
88
98
107
117
126
136
145
155
165
174
184
194
204
215
225
235
245
256
266
276
287
297
308
318

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1161940294
2172040284
3272140274
4282239264
5282339254
6292439243
72102538233
82102638213
92112638202
102122738192
112132738172
122152838161
132162838151
142172838141
153182838121
163192938110
174202937100
18421293690
19522293690
20522303580
21623303470
22623313470
23623313370
24723323260
25722333260
26722333160
27721343160
28720353260
29720353270
30619363370
31618363370

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:39 AM to 6:54 AM, and sunset from 5:40 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:395:40
211.06:395:40
311.06:405:40
411.06:415:41
511.06:415:41
611.06:425:41
711.06:425:41
811.06:435:42
911.06:435:42
1011.06:445:42
1111.06:455:42
1211.06:455:43
1311.06:465:43
1411.06:465:44
1511.06:475:44
1611.06:475:44
1710.96:485:45
1810.96:485:45
1910.96:495:46
2010.96:495:46
2110.96:505:46
2210.96:505:47
2310.96:515:47
2410.96:515:48
2510.96:525:48
2610.96:525:49
2710.96:525:49
2811.06:535:50
2911.06:535:50
3011.06:545:51
3111.06:545:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.44 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.25 kWh/m² in April across the year — December's 4.44 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Uttaradit

In seasonPeak

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

Uttaradit'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 Uttaradit?

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

6.1
Sightseeing
1st-best month of the year
8.5
Beach & pool
1st-best month of the year

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

What to pack for Uttaradit in December

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

In December, Uttaradit sees daytime highs around 30°C and nights near 18°C. Pack light clothes.

light clothes

UV index in Uttaradit in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uttaradit peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 12UV 13Dec 14UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Very high
Apr10Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Uttaradit 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 Uttaradit is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (June, 21 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1862 µg/m³Jun 2321 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb49Poor
Mar63Unhealthy
Apr53Poor
May31Moderate
Jun21Moderate
Jul21Moderate
Aug22Moderate
Sep26Moderate
Oct31Moderate
Nov33Moderate
Dec36Poor
Location & terrain

Where is Uttaradit?

Uttaradit sits at 17.6°N, 100.1°E, 68 m above sea level, in Thailand. The nearest listed city is Si Satchanalai, 37 km away.

Topography around Uttaradit

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

Within 3 km, the terrain around Uttaradit has only modest variations in elevation — a maximum elevation change of 27 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 606 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,607 m.

The land around Uttaradit is covered by trees (37%), artificial surfaces (30%) and cropland (27%) within 3 km, cropland (46%) and trees (45%) within 16 km, and trees (66%) and cropland (31%) within 80 km.

3 km
27 m
16 km
606 m
80 km
1,607 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Si Satchanalai 37 km · Den Chai 40 km · Sawankhalok 44 km · Phrae 58 km · Sukhothai 74 km · Ban Na 78 km · Phitsanulok 91 km · Ban Aranyik 91 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 Uttaradit (17.6256°, 100.0942°, elevation 68 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).