Climate averages 1991–2020

Nagahama weather
in April.

A mild, wet month: the 7th warmest and the 6th driest of the year.

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

Average high 16.6°C Daytime mean, April

Average low 7.5°C Night-time mean, April

Rainfall 152 mm 13 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

April is a mild month in Nagahama: daytime highs average 16.6°C and nights cool to about 7.5°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 152 mm of rain on roughly 13 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average April day.

The nearest other city in this atlas is Hikone (15 km away). In April its highs average 16.3°C, about as warm as Nagahama, with 140 mm of rain.

Among the 303 cities listed in Japan, Nagahama ranks joint 210th of 303 for the warmest April highs and joint 264th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Nagahama is 0.1°C cooler than that mean.

From April to May, average highs rise by 4.7°C to 21.3°C, and monthly rainfall rises from 152 mm to 181 mm.

The annual picture

April 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, selected	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	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

April 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.