Nong Khaem climate

Name: Nong Khaem
Address: TH

Nong Khaem is warmest in April, with average highs of 35 °C, and coldest in December, when nights average 22 °C. September is the wettest month (249 mm) and December the driest (11 mm). Figures are 1991–2020 climate normals.

Across a full year Nong Khaem averages 1,277 mm of rain and 364 days above 25 °C.

Thailand · population 150,218 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 35 °C
Coldest month December 22 °C
Driest month December 11 mm
Wettest month September 249 mm
Least cloud February 35 % cloud
Hottest on record May 40 °C
Coldest on record December 13 °C

What to expectNong Khaem through the year

Nong Khaem has a clear annual cycle: average daily highs run from 31 °C in December to 35 °C in April, a swing of 4.0 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 305 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in May.

Rain is strongly seasonal. September averages 249 mm against 11 mm in December — 22 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	31.0 °C	17 mm	40 %
February	32.4 °C	15 mm	35 %
March	33.6 °C	45 mm	41 %
April	34.7 °C	75 mm	55 %
May	33.4 °C	148 mm	80 %
June	32.4 °C	144 mm	88 %
July	31.8 °C	148 mm	90 %
August	31.5 °C	160 mm	91 %
September	31.0 °C	249 mm	88 %
October	30.4 °C	217 mm	74 %
November	30.9 °C	47 mm	55 %
December	30.6 °C	11 mm	48 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	31.0 °C	21.7 °C	26.3 °C	35.0 °C	13.6 °C	31	24
February	32.4 °C	23.4 °C	27.6 °C	36.4 °C	15.9 °C	28	26
March	33.6 °C	25.3 °C	29.0 °C	39.0 °C	17.0 °C	31	30
April	34.7 °C	26.8 °C	30.1 °C	39.2 °C	20.6 °C	30	29
May	33.4 °C	26.6 °C	29.4 °C	39.6 °C	23.8 °C	31	29
June	32.4 °C	26.1 °C	28.7 °C	37.7 °C	24.0 °C	30	28
July	31.8 °C	25.6 °C	28.2 °C	36.9 °C	23.5 °C	31	26
August	31.5 °C	25.4 °C	27.9 °C	37.8 °C	23.2 °C	31	26
September	31.0 °C	24.9 °C	27.4 °C	36.4 °C	22.5 °C	30	23
October	30.4 °C	24.1 °C	26.8 °C	34.8 °C	18.9 °C	31	21
November	30.9 °C	23.2 °C	26.8 °C	35.2 °C	16.4 °C	30	21
December	30.6 °C	21.7 °C	26.1 °C	34.8 °C	13.1 °C	30	21

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	17 mm	3	11 h/day	40 %	66 %	11 km/h
February	15 mm	3	12 h/day	35 %	68 %	13 km/h
March	45 mm	7	12 h/day	41 %	71 %	15 km/h
April	75 mm	11	12 h/day	55 %	70 %	15 km/h
May	148 mm	21	13 h/day	80 %	75 %	14 km/h
June	144 mm	23	13 h/day	88 %	76 %	14 km/h
July	148 mm	23	13 h/day	90 %	77 %	15 km/h
August	160 mm	24	13 h/day	91 %	78 %	15 km/h
September	249 mm	25	12 h/day	88 %	82 %	12 km/h
October	217 mm	21	12 h/day	74 %	82 %	10 km/h
November	47 mm	7	11 h/day	55 %	71 %	12 km/h
December	11 mm	2	11 h/day	48 %	62 %	12 km/h

Where Nong Khaem ranks

Ranking	Position	Value
The warmest places in Asia in December	17thof 50	31 °C
The warmest places in Asia in January	25thof 50	31 °C
The warmest places in Asia in November	40thof 50	31 °C
The warmest places in Asia in February	47thof 50	32 °C

Planning a trip? See the best time to visit Nong Khaem.

QuestionsCommon questions about Nong Khaem’s climate

When is the best time to visit Nong Khaem?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, November, December sit closest to 20 °C on average, April is the warmest month and December the driest. The month-by-month table above has the full picture.

How hot does Nong Khaem get?

In April, the warmest month, daily highs average 35 °C. About 305 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 22 °C in December, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Nong Khaem?

September, averaging 249 mm over 25 days with rain. The driest month is December with 11 mm. The year as a whole averages 1,277 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Nong Khaem rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.