Climate averages 1991–2020

Cai Lậy weather
in October.

A hot, very wet month: the joint 10th warmest and the wettest of the year.

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

Average high 30.1°C Daytime mean, October

Average low 23.7°C Night-time mean, October

Rainfall 291 mm 27 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

October is a hot month in Cai Lậy: daytime highs average 30.1°C and nights cool to about 23.7°C. By daytime temperature it is the joint 10th warmest of the 12 months.

Expect about 291 mm of rain on roughly 27 days, which makes October a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average October day.

The nearest other city in this atlas is Vĩnh Long (23 km away). In October its highs average 30.0°C, about as warm as Cai Lậy, with 281 mm of rain.

Among the 136 cities listed in Vietnam, Cai Lậy ranks joint 14th of 136 for the warmest October highs and 101st of 136 for the driest October (rainfall, lowest first). The mean October high of those 136 cities is 28.4°C; Cai Lậy is 1.7°C warmer than that mean.

From October to November, average highs stay level at 30.1°C, and monthly rainfall falls from 291 mm to 141 mm.

The annual picture

October 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

Cai Lậy climate table

1991–2020

Monthly climate averages for Cai Lậy, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	30.3°C22.3°C	22.3°C	28	4.1	11.612 h
February	31.7°C22.9°C	22.9°C	11	1.7	11.812 h
March	33.1°C24.2°C	24.2°C	30	5.3	12.112 h
April	33.6°C25.2°C	25.2°C	75	12.2	12.412 h
May	32.3°C25.3°C	25.3°C	176	24.1	12.613 h
June	30.7°C24.8°C	24.8°C	215	26.3	12.713 h
July	30.2°C24.5°C	24.5°C	233	27.8	12.713 h
August	30.3°C24.5°C	24.5°C	252	28.7	12.512 h
September	30.2°C24.2°C	24.2°C	281	27.9	12.212 h
October, selected	30.1°C23.7°C	23.7°C	291	26.8	11.912 h
November	30.1°C23.4°C	23.4°C	141	16.4	11.712 h
December	29.8°C22.6°C	22.6°C	67	9.2	11.512 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

October in nearby cities

Distance from Cai Lậy

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 Cai Lậy) is explained once on the Cai Lậy year overview and on the Sources, method and limits page.