Nagasaki in April:
cool, occasional rain

Nagasaki, Japan · Records from 2006 to 2025. Not a forecast.

Mean high20°Hottest day 25.7° (2021)
Mean low12°Coldest night 5.7° (2010)
Rain days9 days4-15 by year
Rainfall143mmDaylight 12.5 → 13.4 h
Nagasaki's 12 months iBest: May and October
Trip types Sightseeing on foot Goodmild
Humidity74%0 muggy days
Clear days6 days11 overcast days
Mean wind15 km/h1 windy day
Sunrise / sunset (15th)05:51 / 18:50Daylight 12.5 → 13.4 h

Nagasaki in April

After the blossoms, the hillsides turn bright green. Hilltop sights such as Glover Garden involve many climbs, and you may work up a sweat at midday. Golden Week begins at the end of the month and travellers increase.

April was mild: 20°C by day, 12°C at night, the kind of range where you stop checking the thermometer. Out of 30 days, about 9 brought rain; the rest stayed dry. The driest year, 2020, had 4 rain days; the wettest, 2015, had 15.

Rain days averaged 16 mm each, so when it rained it rained properly.

Typhoons i No tropical storm passed within 300 km in this month over the last 20 years. Typhoons: May and July to October

Date by date i

‹ March April 2027 May ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-3rain on 23% of days19° 10°
4-10rain on 26% of days19° 11°
11-17rain on 36% of days20° 12°
18-24rain on 31% of days21° 13°
25-30rain on 28% of days21° 13°

0-5/206-8/209-11/2012-20/20

1-3rain on 23% of days19° 10°
4-10rain on 26% of days19° 11°
11-17rain on 36% of days20° 12°
18-24rain on 31% of days21° 13°
25-30rain on 28% of days21° 13°
Tap another date to change

2006none
20072mm
2008none
2009none
20104mm
2011none
2012none
201330mm
2014none
20154mm
201613mm
201725mm
201824mm
2019none
2020none
2021none
2022none
202317mm
20249mm
2025none
Holidays in April (2027)
  • April 29 Showa Day
  • April 29 to May 5 Golden Week

1 Local public holiday or break (busier, pricier)

Day by day temperature i

9°15°21°27° 1815222930

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
3 d 10 d
2007
1 d 10 d
2008
3 d 6 d
2009
1 d 7 d
2010
3 d 13 d
2011
1 d 6 d
2012
0 d 8 d
2013
1 d 8 d
2014
1 d 8 d
2015
5 d 15 d
2016
3 d 13 d
2017
4 d 9 d
2018
1 d 6 d
2019
2 d 8 d
2020
0 d 4 d
2021
1 d 7 d
2022
0 d 8 d
2023
3 d 10 d
2024
3 d 14 d
2025
1 d 9 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
6
3
5
4
5
9
6
3
4
6
7
7
9
8
6
5
9
3
5
8
6
7
8
7
4
5
5
6
6
7
Rain days on trip
31313101153412010331

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2020 had 4 rain days, 2015 had 15.

Nagasaki through the year

MonthHighLowRain daysRainfall
January 11°4°8 days58mm
February 12°5°10 days98mm
March 16°8°9 days123mm
April 20°12°9 days143mm
MayGood 24°16°9 days173mm
June 27°20°13 days333mm
July 31°25°11 days292mm
August 32°26°11 days274mm
September 29°22°10 days176mm
OctoberGood 24°17°6 days91mm
November 19°11°8 days98mm
December 13°6°9 days74mm

Common questions

Does it rain a lot in Nagasaki in April?

Over the past 20 years April averaged 9 rain days (1 mm or more) out of 30. Individual years ran from 4 in the driest to 15 in the wettest.

What should I wear in Nagasaki in April?

Days averaged 20°C and nights 12°C. Pack a compact umbrella, a light layer for the evenings, and T-shirts.

Is April a good time to visit Nagasaki?

On warmth and rain days alone, Nagasaki's easiest months were May and October. April ranked 3 of 12, close to the top.

How many clear days does Nagasaki get in April?

About 6 clear days (under 30% cloud on average) and 11 overcast days (80% or more).