Climate averages 1991–2020

Móng Cái weather
in July.

A hot, very wet month: the 2nd warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.7°C Daytime mean, July

Average low 26.4°C Night-time mean, July

Rainfall 380 mm 25 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

July is a hot month in Móng Cái: daytime highs average 29.7°C and nights cool to about 26.4°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 380 mm of rain on roughly 25 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 18 min on an average July day.

The nearest other city in this atlas is Dongxing (3 km away). In July its highs average 29.8°C, about as warm as Móng Cái, with 380 mm of rain.

Among the 136 cities listed in Vietnam, Móng Cái ranks joint 113th of 136 for the warmest July highs and 131st of 136 for the driest July (rainfall, lowest first). The mean July high of those 136 cities is 30.8°C; Móng Cái is 1.0°C cooler than that mean.

From July to August, average highs stay level at 29.8°C, and monthly rainfall falls from 380 mm to 374 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Móng Cái climate table

1991–2020

Monthly climate averages for Móng Cái, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	17.4°C12.8°C	12.8°C	69	12.8	11.011 h
February	18.9°C14.3°C	14.3°C	51	11.2	11.411 h
March	21.8°C17.4°C	17.4°C	74	13.1	12.012 h
April	25.4°C21.3°C	21.3°C	70	12.7	12.613 h
May	28.1°C24.3°C	24.3°C	209	19.0	13.213 h
June	29.6°C26.3°C	26.3°C	288	23.5	13.413 h
July, selected	29.7°C26.4°C	26.4°C	380	25.0	13.313 h
August	29.8°C26.1°C	26.1°C	374	24.6	12.913 h
September	29.1°C24.9°C	24.9°C	253	18.6	12.312 h
October	26.9°C22.2°C	22.2°C	99	10.2	11.712 h
November	23.4°C18.3°C	18.3°C	67	9.1	11.111 h
December	19.1°C14.0°C	14.0°C	53	8.8	10.811 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Móng Cái

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Móng Cái) is explained once on the Móng Cái year overview and on the Sources, method and limits page.