Tanggu climate

Name: Tanggu
Address: CN

Tanggu is warmest in July, with average highs of 30 °C, and coldest in January, when nights average -6.4 °C. July is the wettest month (163 mm) and January the driest (3.8 mm). Figures are 1991–2020 climate normals.

Across a full year Tanggu averages 566 mm of rain, 119 days above 25 °C and 106 days below freezing.

China · population 535,298 · 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 July 30 °C
Coldest month January -6.4 °C
Driest month January 4 mm
Wettest month July 163 mm
Least cloud December 28 % cloud
Hottest on record July 38 °C
Coldest on record January -21 °C
Warmest sea August 26 °C

What to expectTanggu through the year

Tanggu has a clear annual cycle: average daily highs run from 1.5 °C in January to 30 °C in July, a swing of 29 °C in mean temperature across the year.

Counted across a normal year, 119 days a year reach 25 °C, 35 of them reach 30 °C, 106 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in July.

Rain is strongly seasonal. July averages 163 mm against 4 mm in January — 43 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Tanggu is warmest in August at 26 °C and coldest in February at 1.8 °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	1.5 °C	4 mm	32 %
February	4.9 °C	7 mm	37 %
March	11.2 °C	11 mm	40 %
April	18.7 °C	30 mm	43 %
May	24.6 °C	39 mm	47 %
June	28.2 °C	81 mm	56 %
July	29.7 °C	163 mm	57 %
August	28.8 °C	131 mm	53 %
September	25.3 °C	48 mm	45 %
October	18.8 °C	34 mm	37 %
November	10.3 °C	15 mm	33 %
December	3.3 °C	4 mm	28 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	1.5 °C	-6.4 °C	-2.6 °C	12.0 °C	-21.0 °C	0	0	31
February	4.9 °C	-3.7 °C	0.3 °C	16.3 °C	-15.9 °C	0	0	26
March	11.2 °C	1.6 °C	6.3 °C	26.6 °C	-10.5 °C	0	0	11
April	18.7 °C	9.2 °C	13.7 °C	31.1 °C	-0.5 °C	3	0	0
May	24.6 °C	15.5 °C	19.8 °C	36.4 °C	6.9 °C	14	3	0
June	28.2 °C	20.5 °C	24.1 °C	37.3 °C	10.3 °C	25	8	0
July	29.7 °C	23.6 °C	26.5 °C	38.4 °C	17.6 °C	30	14	0
August	28.8 °C	22.6 °C	25.5 °C	34.6 °C	15.9 °C	29	9	0
September	25.3 °C	18.0 °C	21.5 °C	33.8 °C	9.8 °C	17	1	0
October	18.8 °C	10.8 °C	14.7 °C	30.0 °C	-1.2 °C	1	0	0
November	10.3 °C	2.2 °C	6.1 °C	22.0 °C	-11.4 °C	0	0	10
December	3.3 °C	-4.2 °C	-0.6 °C	13.3 °C	-13.7 °C	0	0	29

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	4 mm	1	9.7 h/day	32 %	53 %	17 km/h	3.0 °C
February	7 mm	2	11 h/day	37 %	54 %	19 km/h	1.8 °C
March	11 mm	3	12 h/day	40 %	51 %	22 km/h	4.0 °C
April	30 mm	4	13 h/day	43 %	51 %	23 km/h	9.6 °C
May	39 mm	5	14 h/day	47 %	55 %	22 km/h	16.0 °C
June	81 mm	8	15 h/day	56 %	66 %	20 km/h	21.2 °C
July	163 mm	11	15 h/day	57 %	77 %	17 km/h	24.9 °C
August	131 mm	11	14 h/day	53 %	78 %	15 km/h	26.0 °C
September	48 mm	6	12 h/day	45 %	69 %	17 km/h	23.3 °C
October	34 mm	5	11 h/day	37 %	61 %	19 km/h	17.9 °C
November	15 mm	3	10 h/day	33 %	59 %	19 km/h	12.2 °C
December	4 mm	1	9.5 h/day	28 %	55 %	18 km/h	6.8 °C

How Tanggu 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
Tanggu	30 °C	-6.4 °C	566 mm	119
Tianjin · China	31 °C	-7.6 °C	591 mm	138
Tangshan · China	31 °C	-8.3 °C	647 mm	130
Langfang · China	32 °C	-7.2 °C	618 mm	144
Cangzhou · China	32 °C	-6.6 °C	583 mm	145
Sanhe · China	31 °C	-8.6 °C	596 mm	136
Tongzhou · China	32 °C	-8.2 °C	580 mm	142

Where Tanggu ranks

Ranking	Position	Value
Best beach destinations in Asia in September	28thof 50	89/100
Places with the best weather in Asia in May	32ndof 50	93/100
Best beach destinations in Asia in June	36thof 50	81/100

Planning a trip? See the best time to visit Tanggu.

QuestionsCommon questions about Tanggu’s climate

When is the best time to visit Tanggu?

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

How hot does Tanggu get?

In July, the warmest month, daily highs average 30 °C. About 35 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average -6.4 °C in January, the coldest month. A normal year has 106 nights below freezing.

Which month is wettest in Tanggu?

July, averaging 163 mm over 11 days with rain. The driest month is January with 4 mm. The year as a whole averages 566 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 Tanggu 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.