Climate averages 1991–2020

Phú Mỹ weather
in January.

A hot, fairly dry month: the 6th warmest and the 3rd driest of the year.

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

Average high 30.3°C Daytime mean, January

Average low 22.5°C Night-time mean, January

Rainfall 27 mm 4 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Phú Mỹ: daytime highs average 30.3°C and nights cool to about 22.5°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 27 mm of rain on roughly 4 days, which makes January a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 34 min on an average January day.

The nearest other city in this atlas is Thành Phố Bà Rịa (19 km away). In January its highs average 29.5°C, 0.8°C cooler than Phú Mỹ, with 22 mm of rain.

Among the 136 cities listed in Vietnam, Phú Mỹ ranks joint 22nd of 136 for the warmest January highs and joint 49th of 136 for the driest January (rainfall, lowest first). The mean January high of those 136 cities is 24.8°C; Phú Mỹ is 5.4°C warmer than that mean.

From January to February, average highs rise by 1.4°C to 31.6°C, and monthly rainfall falls from 27 mm to 10 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

Phú Mỹ climate table

1991–2020

Monthly climate averages for Phú Mỹ, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	30.3°C22.5°C	22.5°C	27	4.1	11.612 h
February	31.6°C23.2°C	23.2°C	10	2.0	11.812 h
March	32.7°C24.5°C	24.5°C	24	4.6	12.112 h
April	33.0°C25.5°C	25.5°C	68	11.9	12.412 h
May	31.9°C25.7°C	25.7°C	207	24.3	12.613 h
June	30.4°C25.1°C	25.1°C	268	27.6	12.713 h
July	29.9°C24.7°C	24.7°C	285	29.3	12.713 h
August	30.0°C24.7°C	24.7°C	294	29.2	12.512 h
September	29.8°C24.4°C	24.4°C	317	28.6	12.212 h
October	29.5°C24.1°C	24.1°C	272	27.5	11.912 h
November	29.6°C23.7°C	23.7°C	144	17.7	11.612 h
December	29.5°C22.9°C	22.9°C	72	10.4	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

January in nearby cities

Distance from Phú Mỹ

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 Phú Mỹ) is explained once on the Phú Mỹ year overview and on the Sources, method and limits page.