Climate averages 1991–2020

Dien Bien Phu weather
in January.

A warm, fairly dry month: the 11th warmest and the 4th driest of the year. Meets the pleasant-weather rule

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

Average high 22.7°C Daytime mean, January

Average low 12.7°C Night-time mean, January

Rainfall 35 mm 5 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

January is a warm month in Dien Bien Phu: daytime highs average 22.7°C and nights cool to about 12.7°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 35 mm of rain on roughly 5 days, which makes January a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 59 min on an average January day.

The nearest other city in this atlas is Thị Trấn Thuận Châu (69 km away). In January its highs average 21.3°C, 1.4°C cooler than Dien Bien Phu, with 39 mm of rain.

Among the 136 cities listed in Vietnam, Dien Bien Phu ranks joint 81st of 136 for the warmest January highs and joint 76th of 136 for the driest January (rainfall, lowest first). The mean January high of those 136 cities is 24.8°C; Dien Bien Phu is 2.1°C cooler than that mean.

From January to February, average highs rise by 2.9°C to 25.6°C, and monthly rainfall falls from 35 mm to 26 mm.

The annual picture

January 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

Dien Bien Phu climate table

1991–2020

Monthly climate averages for Dien Bien Phu, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	22.7°C12.7°C	12.7°C	35	5.0	11.011 h
February	25.6°C14.4°C	14.4°C	26	4.8	11.411 h
March	29.2°C17.8°C	17.8°C	55	8.5	12.012 h
April	30.1°C20.5°C	20.5°C	115	15.3	12.613 h
May	30.2°C22.1°C	22.1°C	195	22.2	13.113 h
June	29.3°C22.8°C	22.8°C	323	27.3	13.413 h
July	28.5°C22.6°C	22.6°C	403	28.9	13.313 h
August	28.6°C22.6°C	22.6°C	368	28.3	12.913 h
September	28.3°C21.8°C	21.8°C	199	21.5	12.312 h
October	27.0°C19.5°C	19.5°C	72	11.5	11.712 h
November	25.2°C16.0°C	16.0°C	33	5.5	11.111 h
December	22.5°C12.7°C	12.7°C	29	4.5	10.911 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

January in nearby cities

Distance from Dien Bien Phu

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 Dien Bien Phu) is explained once on the Dien Bien Phu year overview and on the Sources, method and limits page.