Climate averages 1991–2020

Sầm Sơn weather
in March.

A warm, moderately wet month: the 9th warmest and the 2nd driest of the year.

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

Average high 23.8°C Daytime mean, March

Average low 19.2°C Night-time mean, March

Rainfall 52 mm 10 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a warm month in Sầm Sơn: daytime highs average 23.8°C and nights cool to about 19.2°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 52 mm of rain on roughly 10 days, which makes March a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average March day.

The nearest other city in this atlas is Thanh Hóa (16 km away). In March its highs average 24.8°C, 1.0°C warmer than Sầm Sơn, with 33 mm of rain.

Among the 136 cities listed in Vietnam, Sầm Sơn ranks 129th of 136 for the warmest March highs and joint 89th of 136 for the driest March (rainfall, lowest first). The mean March high of those 136 cities is 28.7°C; Sầm Sơn is 4.9°C cooler than that mean.

From March to April, average highs rise by 3.6°C to 27.3°C, and monthly rainfall rises from 52 mm to 62 mm.

The annual picture

March 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

Sầm Sơn climate table

1991–2020

Monthly climate averages for Sầm Sơn, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	19.8°C15.4°C	15.4°C	55	10.5	11.111 h
February	21.2°C16.7°C	16.7°C	36	8.5	11.511 h
March, selected	23.8°C19.2°C	19.2°C	52	9.7	12.012 h
April	27.3°C22.6°C	22.6°C	62	7.5	12.613 h
May	30.3°C25.5°C	25.5°C	139	12.2	13.113 h
June	32.0°C27.5°C	27.5°C	146	11.0	13.313 h
July	31.7°C27.4°C	27.4°C	212	12.7	13.213 h
August	30.9°C26.5°C	26.5°C	312	20.1	12.813 h
September	29.5°C25.2°C	25.2°C	368	20.1	12.312 h
October	27.4°C22.9°C	22.9°C	241	16.2	11.712 h
November	24.7°C19.9°C	19.9°C	82	9.9	11.211 h
December	21.1°C16.3°C	16.3°C	53	8.9	11.011 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

March in nearby cities

Distance from Sầm Sơn

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 Sầm Sơn) is explained once on the Sầm Sơn year overview and on the Sources, method and limits page.