Mentougou climate

Name: Mentougou
Address: CN

Mentougou is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -8.4 °C. July is the wettest month (198 mm) and January the driest (3.2 mm). Figures are 1991–2020 climate normals.

Across a full year Mentougou averages 683 mm of rain, 133 days above 25 °C and 130 days below freezing.

China · population 197,772 · 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 31 °C
Coldest month January -8.4 °C
Driest month January 3 mm
Wettest month July 198 mm
Least cloud December 25 % cloud
Hottest on record May 41 °C
Coldest on record January -23 °C

What to expectMentougou through the year

Mentougou has a clear annual cycle: average daily highs run from 2.1 °C in January to 31 °C in July, a swing of 30 °C in mean temperature across the year.

Counted across a normal year, 133 days a year reach 25 °C, 63 of them reach 30 °C, 130 nights drop below freezing. The warmest reading in the 1991–2020 record is 41 °C, in May.

Rain is strongly seasonal. July averages 198 mm against 3 mm in January — 62 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	2.1 °C	3 mm	27 %
February	5.9 °C	7 mm	33 %
March	12.8 °C	13 mm	39 %
April	20.7 °C	27 mm	42 %
May	27.2 °C	49 mm	48 %
June	30.9 °C	94 mm	57 %
July	31.0 °C	198 mm	61 %
August	29.4 °C	154 mm	56 %
September	25.5 °C	77 mm	46 %
October	18.7 °C	40 mm	36 %
November	9.6 °C	16 mm	30 %
December	3.1 °C	4 mm	25 %

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	2.1 °C	-8.4 °C	-3.6 °C	11.7 °C	-22.6 °C	0	0	31
February	5.9 °C	-5.0 °C	-0.1 °C	18.4 °C	-18.7 °C	0	0	27
March	12.8 °C	-0.2 °C	6.0 °C	28.5 °C	-10.2 °C	0	0	17
April	20.7 °C	6.9 °C	13.8 °C	34.1 °C	-4.2 °C	6	1	2
May	27.2 °C	13.7 °C	20.6 °C	40.7 °C	1.4 °C	22	8	0
June	30.9 °C	19.2 °C	25.0 °C	40.2 °C	9.2 °C	27	19	0
July	31.0 °C	22.1 °C	26.4 °C	40.2 °C	14.7 °C	30	20	0
August	29.4 °C	20.6 °C	24.8 °C	36.2 °C	12.5 °C	29	13	0
September	25.5 °C	15.0 °C	20.1 °C	36.2 °C	4.8 °C	17	2	0
October	18.7 °C	7.1 °C	12.6 °C	30.6 °C	-4.5 °C	1	0	1
November	9.6 °C	-1.1 °C	3.7 °C	22.2 °C	-13.6 °C	0	0	20
December	3.1 °C	-6.2 °C	-2.2 °C	11.8 °C	-16.7 °C	0	0	31

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	3 mm	1	9.7 h/day	27 %	43 %	12 km/h
February	7 mm	1	11 h/day	33 %	44 %	13 km/h
March	13 mm	3	12 h/day	39 %	45 %	14 km/h
April	27 mm	5	13 h/day	42 %	43 %	15 km/h
May	49 mm	6	14 h/day	48 %	46 %	15 km/h
June	94 mm	10	15 h/day	57 %	57 %	12 km/h
July	198 mm	16	15 h/day	61 %	73 %	10 km/h
August	154 mm	13	14 h/day	56 %	76 %	9.8 km/h
September	77 mm	9	12 h/day	46 %	67 %	11 km/h
October	40 mm	5	11 h/day	36 %	60 %	12 km/h
November	16 mm	3	10.0 h/day	30 %	57 %	12 km/h
December	4 mm	1	9.4 h/day	25 %	47 %	12 km/h

How Mentougou 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
Mentougou	31 °C	-8.4 °C	683 mm	133
Beijing · China	32 °C	-8.3 °C	545 mm	141
Tongzhou · China	32 °C	-8.2 °C	580 mm	142
Langfang · China	32 °C	-7.2 °C	618 mm	144
Sanhe · China	31 °C	-8.6 °C	596 mm	136
Xuanhua · China	30 °C	-14 °C	421 mm	110
Tianjin · China	31 °C	-7.6 °C	591 mm	138

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

QuestionsCommon questions about Mentougou’s climate

When is the best time to visit Mentougou?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, August, 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 Mentougou get?

In July, the warmest month, daily highs average 31 °C. About 63 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.

How cold does it get in winter?

Nights average -8.4 °C in January, the coldest month. A normal year has 130 nights below freezing.

Which month is wettest in Mentougou?

July, averaging 198 mm over 16 days with rain. The driest month is January with 3 mm. The year as a whole averages 683 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 Mentougou 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: 39.938°, 116.093° (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.