Ðông Hà climate

Name: Ðông Hà
Address: VN

Ðông Hà is warmest in June, with average highs of 33 °C, and coldest in January, when nights average 18 °C. October is the wettest month (456 mm) and June the driest (73 mm). Figures are 1991–2020 climate normals.

Across a full year Ðông Hà averages 2,281 mm of rain and 270 days above 25 °C.

Vietnam · population 164,228 · 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 June 33 °C
Coldest month January 18 °C
Driest month June 73 mm
Wettest month October 456 mm
Least cloud April 63 % cloud
Hottest on record June 40 °C
Coldest on record January 12 °C
Warmest sea August 29 °C

What to expectÐông Hà through the year

Ðông Hà has a clear annual cycle: average daily highs run from 23 °C in January to 33 °C in June, a swing of 9.0 °C in mean temperature across the year.

Counted across a normal year, 270 days a year reach 25 °C, 142 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in June.

Rain is strongly seasonal. October averages 456 mm against 73 mm in June — 6.3 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Ðông Hà is warmest in August at 29 °C and coldest in February at 22 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	22.8 °C	133 mm	78 %
February	24.1 °C	80 mm	72 %
March	26.8 °C	84 mm	67 %
April	29.7 °C	86 mm	63 %
May	31.7 °C	134 mm	74 %
June	33.3 °C	73 mm	82 %
July	33.2 °C	100 mm	79 %
August	32.3 °C	134 mm	82 %
September	30.0 °C	304 mm	79 %
October	27.2 °C	456 mm	75 %
November	25.4 °C	405 mm	76 %
December	22.9 °C	293 mm	84 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.8 °C	18.4 °C	20.5 °C	31.5 °C	12.4 °C	7	0
February	24.1 °C	19.1 °C	21.4 °C	34.0 °C	12.9 °C	11	1
March	26.8 °C	21.1 °C	23.6 °C	36.1 °C	14.6 °C	22	6
April	29.7 °C	23.3 °C	26.1 °C	40.0 °C	17.2 °C	27	14
May	31.7 °C	25.1 °C	28.0 °C	40.1 °C	19.8 °C	31	23
June	33.3 °C	26.7 °C	29.5 °C	40.3 °C	21.2 °C	30	28
July	33.2 °C	26.6 °C	29.4 °C	40.2 °C	23.1 °C	31	28
August	32.3 °C	26.1 °C	28.6 °C	37.0 °C	23.1 °C	31	26
September	30.0 °C	24.7 °C	27.0 °C	38.1 °C	20.1 °C	30	14
October	27.2 °C	23.1 °C	25.0 °C	33.2 °C	17.0 °C	28	2
November	25.4 °C	21.7 °C	23.4 °C	31.8 °C	15.3 °C	17	1
December	22.9 °C	19.5 °C	21.1 °C	29.6 °C	13.7 °C	6	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	133 mm	18	11 h/day	78 %	86 %	15 km/h	22.8 °C
February	80 mm	13	12 h/day	72 %	87 %	14 km/h	22.3 °C
March	84 mm	12	12 h/day	67 %	88 %	14 km/h	23.0 °C
April	86 mm	13	13 h/day	63 %	85 %	13 km/h	25.0 °C
May	134 mm	18	13 h/day	74 %	80 %	14 km/h	27.5 °C
June	73 mm	10	13 h/day	82 %	69 %	20 km/h	29.0 °C
July	100 mm	12	13 h/day	79 %	68 %	20 km/h	29.0 °C
August	134 mm	15	13 h/day	82 %	72 %	19 km/h	29.4 °C
September	304 mm	20	12 h/day	79 %	81 %	14 km/h	29.3 °C
October	456 mm	24	12 h/day	75 %	86 %	15 km/h	28.0 °C
November	405 mm	22	11 h/day	76 %	86 %	16 km/h	26.2 °C
December	293 mm	22	11 h/day	84 %	86 %	16 km/h	24.3 °C

How Ðông Hà compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Ðông Hà	33 °C	18 °C	2,281 mm	270
Huế · Vietnam	32 °C	19 °C	2,922 mm	278
Thanh Khê · Vietnam	33 °C	20 °C	2,437 mm	284
Da Nang · Vietnam	33 °C	20 °C	2,337 mm	284
Điện Bàn · Vietnam	34 °C	20 °C	2,419 mm	292
Kỳ Anh · Vietnam	34 °C	17 °C	1,995 mm	258
Tam Kỳ · Vietnam	32 °C	20 °C	2,781 mm	282

Planning a trip? See the best time to visit Ðông Hà.

QuestionsCommon questions about Ðông Hà’s climate

When is the best time to visit Ðông Hà?

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

How hot does Ðông Hà get?

In June, the warmest month, daily highs average 33 °C. About 142 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 18 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Ðông Hà?

October, averaging 456 mm over 24 days with rain. The driest month is June with 73 mm. The year as a whole averages 2,281 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 Ðông Hà 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
Data point: 16.816°, 107.100° (the coordinates the reanalysis values are taken for)
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.