Lat Yao weather in December

In December, Lat Yao sees average daytime highs of 31°C and overnight lows near 20°C, with 9 mm of rain across 1.3 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 51% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Lat Yao's 4th-clearest and 7th-windiest month. For the whole year in context, see Lat Yao's year-round climate.

Daytime high
31°
12th warmest
Overnight low
20°
2nd coldest
Rainfall
9 mm
1.3 wet days
Daylight
11 h 06 min
6:45 AM – 5:49 PM
Cloud cover
42%
4th clearest
Wind
6 km/h
7th windiest
Solar energy
4.59 kWh/m²
Travel score
5.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Lat Yao reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°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)
13121
23121
33121
43121
53121
63121
73121
83121
93120
103120
113120
123120
133120
143120
153120
163120
173120
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119
313119

How December really feels in Lat Yao

Once humidity and wind are folded in, December averages 15 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
15
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.

Lat Yao 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
Jan32° / 20°101.911.25.0
Feb35° / 21°111.711.53.5
Mar37° / 24°335.511.92.0
Apr38° / 26°5610.212.31.1
May36° / 27°1482112.71.3
Jun35° / 27°1412312.91.6
Jul34° / 26°14822.212.81.9
Aug33° / 26°19724.412.52.1
Sep33° / 26°25925.812.12.1
Oct32° / 24°18319.111.63.1
Nov32° / 22°305.211.34.6
Dec31° / 20°91.311.15.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36337
46436
56436
66436
76634
86634
96733
106733
116931
126931
137030
147228
157228
167426
177426
187525
197525
207624
217723
227723
237624
247723
257723
267723
277822
287723
297723
307723
317525

Chance of precipitation in December

Any precipitation

Lat Yao gets around 9 mm of rain over 1.3 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 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
37
47
57
66
76
86
95
105
114
124
133
143
153
162
172
182
192
202
213
223
233
243
253
263
273
284
294
304
314

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141536395
2141537375
3151637365
4151639354
5161739334
6161840314
7171841294
8171941283
9181942263
10292042252
112102142242
122112142222
132122142211
142132241201
152142241201
163152340191
173162339180
184172438170
194182437160
204182537160
215192536150
225192635140
236202635140
246202734130
256192834130
266192834120
276182934120
286182935120
296173035120
306173035120
315163036130

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:37 AM to 6:52 AM, and sunset from 5:45 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:375:45
211.16:375:45
311.16:385:45
411.16:385:45
511.16:395:45
611.16:395:46
711.16:405:46
811.16:415:46
911.16:415:47
1011.16:425:47
1111.16:425:47
1211.16:435:48
1311.16:435:48
1411.16:445:48
1511.16:445:49
1611.16:455:49
1711.16:455:49
1811.16:465:50
1911.16:465:50
2011.16:475:51
2111.16:475:51
2211.16:485:52
2311.16:485:52
2411.16:495:53
2511.16:495:53
2611.16:505:54
2711.16:505:54
2811.16:515:55
2911.16:515:55
3011.16:515:56
3111.16:525:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.24 kWh/m² in April across the year — December's 4.59 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
194.7Bright
204.7Bright
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 Lat Yao

In seasonPeak

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

Lat Yao'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 Lat Yao?

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

5.6
Sightseeing
1st-best month of the year
8.2
Beach & pool
1st-best month of the year

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

What to pack for Lat Yao in December

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

In December, Lat Yao sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Lat Yao in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lat Yao peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 15UV 14Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Lat Yao 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 Lat Yao is worst in March — around 59 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1657 µg/m³Jun 2118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb47Poor
Mar59Unhealthy
Apr44Poor
May27Moderate
Jun18Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct29Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Lat Yao?

Lat Yao sits at 15.8°N, 99.8°E, 62 m above sea level, in Thailand. The nearest listed city is Thap Than, 34 km away.

Topography around Lat Yao

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

Within 3 km, the terrain around Lat Yao has only modest variations in elevation — a maximum elevation change of 21 m around an average of 57 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 500 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,903 m.

The land around Lat Yao is covered by cropland (66%) and trees (20%) within 3 km, cropland (85%) within 16 km, and cropland (70%) and trees (27%) within 80 km.

3 km
21 m
16 km
500 m
80 km
1,903 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Thap Than 34 km · Khanu Woralaksaburi 35 km · Nakhon Sawan 38 km · Uthai Thani 48 km · Bang Mun Nak 70 km · Chai Nat 72 km · Taphan Hin 85 km · Kamphaeng Phet 86 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 Lat Yao (15.751°, 99.7892°, elevation 62 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).