Climate averages 1991–2020

Nagahama weather
in June.

A warm, very wet month: the 4th warmest and the 11th driest of the year.

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

Average high 24.8°C Daytime mean, June

Average low 17.5°C Night-time mean, June

Rainfall 228 mm 15 days with ≥1 mm

Daylight 15 h Sunrise to sunset, per day

June is a warm month in Nagahama: daytime highs average 24.8°C and nights cool to about 17.5°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 228 mm of rain on roughly 15 days, which makes June a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 30 min on an average June day.

The nearest other city in this atlas is Hikone (15 km away). In June its highs average 24.6°C, about as warm as Nagahama, with 216 mm of rain.

Among the 303 cities listed in Japan, Nagahama ranks joint 145th of 303 for the warmest June highs and joint 221st of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Nagahama is 0.5°C warmer than that mean.

From June to July, average highs rise by 3.6°C to 28.4°C, and monthly rainfall rises from 228 mm to 287 mm.

The annual picture

June 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

Nagahama climate table

1991–2020

Monthly climate averages for Nagahama, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	6.3°C0.2°C	0.2°C	113	18.1	10.110 h
February	7.1°C-0.1°C	-0.1°C	102	15.2	10.911 h
March	11.2°C2.7°C	2.7°C	144	15.1	11.912 h
April	16.6°C7.5°C	7.5°C	152	13.0	13.113 h
May	21.3°C12.7°C	12.7°C	181	12.5	14.014 h
June, selected	24.8°C17.5°C	17.5°C	228	15.4	14.515 h
July	28.4°C22.1°C	22.1°C	287	18.3	14.314 h
August	29.7°C23.1°C	23.1°C	173	15.7	13.513 h
September	25.8°C19.5°C	19.5°C	222	14.5	12.412 h
October	20.4°C13.7°C	13.7°C	171	12.4	11.311 h
November	14.8°C8.1°C	8.1°C	110	12.8	10.310 h
December	9.1°C2.9°C	2.9°C	111	17.3	9.810 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

June in nearby cities

Distance from Nagahama

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