Climate averages 1991–2020

Sông Cầu weather
in May.

A hot, wet month: the 4th warmest and the 8th driest of the year.

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

Average high 32.2°C Daytime mean, May

Average low 26.2°C Night-time mean, May

Rainfall 147 mm 18 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

May is a hot month in Sông Cầu: daytime highs average 32.2°C and nights cool to about 26.2°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 147 mm of rain on roughly 18 days, which makes May a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 44 min on an average May day.

The nearest other city in this atlas is Qui Nhon (36 km away). In May its highs average 32.0°C, about as warm as Sông Cầu, with 151 mm of rain.

Among the 136 cities listed in Vietnam, Sông Cầu ranks joint 26th of 136 for the warmest May highs and joint 23rd of 136 for the driest May (rainfall, lowest first). The mean May high of those 136 cities is 31.2°C; Sông Cầu is 1.0°C warmer than that mean.

From May to June, average highs rise by 0.7°C to 32.8°C, and monthly rainfall falls from 147 mm to 85 mm.

The annual picture

May 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

Sông Cầu climate table

1991–2020

Monthly climate averages for Sông Cầu, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	25.2°C21.4°C	21.4°C	105	16.4	11.411 h
February	26.4°C21.7°C	21.7°C	53	10.6	11.712 h
March	28.6°C23.1°C	23.1°C	60	10.4	12.012 h
April	30.7°C24.8°C	24.8°C	64	10.5	12.412 h
May, selected	32.2°C26.2°C	26.2°C	147	18.2	12.713 h
June	32.8°C26.9°C	26.9°C	85	16.0	12.913 h
July	32.9°C26.8°C	26.8°C	79	14.6	12.813 h
August	32.8°C26.6°C	26.6°C	98	15.4	12.613 h
September	31.2°C25.7°C	25.7°C	215	22.3	12.212 h
October	28.4°C24.5°C	24.5°C	361	26.4	11.812 h
November	26.8°C23.6°C	23.6°C	410	23.8	11.512 h
December	25.3°C22.3°C	22.3°C	278	22.4	11.311 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

May in nearby cities

Distance from Sông Cầu

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 Sông Cầu) is explained once on the Sông Cầu year overview and on the Sources, method and limits page.