Climate averages 1991–2020

Uruma weather
in August.

A hot, wet month: the warmest and the 9th driest of the year.

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

Average high 29.0°C Daytime mean, August

Average low 27.1°C Night-time mean, August

Rainfall 175 mm 14 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

August is a hot month in Uruma: daytime highs average 29.0°C and nights cool to about 27.1°C. By daytime temperature it is the warmest month of the year.

Expect about 175 mm of rain on roughly 14 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average August day.

The nearest other city in this atlas is Okinawa (7 km away). In August its highs average 28.4°C, 0.5°C cooler than Uruma, with 178 mm of rain.

Among the 303 cities listed in Japan, Uruma ranks joint 197th of 303 for the warmest August highs and joint 241st of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Uruma is 0.2°C cooler than that mean.

From August to September, average highs fall by 0.9°C to 28.0°C, and monthly rainfall rises from 175 mm to 188 mm.

The annual picture

August 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

Uruma climate table

1991–2020

Monthly climate averages for Uruma, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	18.5°C16.2°C	16.2°C	103	12.0	10.711 h
February	18.7°C16.2°C	16.2°C	99	11.7	11.211 h
March	20.1°C17.5°C	17.5°C	134	13.2	12.012 h
April	22.1°C19.8°C	19.8°C	158	13.2	12.813 h
May	24.5°C22.5°C	22.5°C	207	14.1	13.413 h
June	27.1°C25.4°C	25.4°C	224	15.5	13.814 h
July	28.9°C27.1°C	27.1°C	124	10.8	13.614 h
August, selected	29.0°C27.1°C	27.1°C	175	14.4	13.113 h
September	28.0°C26.2°C	26.2°C	188	13.4	12.312 h
October	25.9°C24.2°C	24.2°C	139	11.8	11.612 h
November	23.3°C21.5°C	21.5°C	100	10.7	10.911 h
December	20.2°C18.1°C	18.1°C	110	11.3	10.511 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

August in nearby cities

Distance from Uruma

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