Nagasaki in March: weather, what to wear and what's on

Averages for 1991–2020 at the JMA's Nagasaki station (27 m above sea level).

High

15.3°C (60°F)

Low

7.5°C (46°F)

Precipitation

123.2 mm

Wet days

10.1 days

Sunshine

160 hours

• Highs rise 3.3°C from February and climb another 4.6°C into April.
• That is 5.9°C below Nagasaki's yearly average high of 21.2°C.
• Of our 34 places with temperature records, Nagasaki is the 7th warmest in March: 0.8°C cooler than Kumamoto and 0.3°C warmer than Fukuoka.
• March is Nagasaki's 6th driest month (123.2 mm).
• Of our 35 places, Nagasaki has the 12th highest precipitation in March: 1.6 mm less than Kumamoto and 0.7 mm more than Takayama.
• Rain of 1 mm or more falls on 10.1 days, and 10 mm or more on 4.2 days.
• Rain of 30 mm or more in one day falls on 0.9 days.
• Snow or sleet falls on 1.1 days.
• The sun is out for 40% or more of the possible hours on 17.0 days, and 5.4 days have under 0.1 hours of sunshine.
• On 15 March 2027 the sun rises at 6:32 and sets at 18:28 in Nagasaki, giving 11 hours 56 minutes of daylight (NAOJ).

Average temperature

11.2°C (52°F)

Humidity

65%

Early, mid and late March

By the last ten days of March the average high in Nagasaki is 2.5°C higher than in the first ten.

By ten-day totals, 21–31 March is the wettest (45.3 mm) and 1–10 March the driest (36.0 mm).

Cool: highs around 15.3°C

• Long sleeves with a light jacket or sweater.
• An umbrella: rain falls on 10.1 days.

Pack

• Umbrella

• Our clothing rules

Cherry blossom

The JMA's sample cherry tree in Nagasaki opens around 23 March and is in full bloom around 2 April in an average year (1991–2020). In 2026 it opened on 27 March and was in full bloom on 3 April.

Dates are for one sample tree at or near the JMA observatory, not for every park in the city.

National holidays in March 2027:

• Sun 21 March — Vernal Equinox Day
• Mon 22 March — Substitute holiday

• Sat 20 March to Mon 22 March: 3 days off in a row

In March 2025, hotels and inns across Nagasaki Prefecture were 58.3% full on average (5th busiest of 12 months). Foreign guests spent 61,880 nights there that month (Japan Tourism Agency). That compares with 57.0% in February and 53.4% in April.

• Japan in March: visitor numbers and busy travel days
• Holidays in March