Nagasaki Weather in March
In Nagasaki, March brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Nagasaki in March
Looking at the last 30 years, the data shows about 19 days with rain, averaging 150 mm (5.9 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Nagasaki in March
In March, Nagasaki sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Nagasaki in March
The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and clouds.
Wind Speed in Nagasaki in March
Average wind conditions reach 2 m/s (4 knots) in March. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in March
The water temperature is 15°C (59°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.Should you favor a climate that's both dry and comfortably warm, October typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Nagasaki's climate page.
Nagasaki Temperature in March
Min Temperature
10°C (50°F)
Max Temperature
15°C (59°F)
Water Temperature
15°C (59°F)
Chance of Rain
64%
Precipitation
150 mm (5.9 in)
Rainy days
19 days
Humidity
66%
Windspeed
2 m/s (4 knots)
Sunshine
160 hours
Percentage Sunshine
42%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nagasaki typically rise from around 13°C (55°F) at the start of March to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Nagasaki in March
Browse day-by-day weather records for Nagasaki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nagasaki historical weather extremes in March
The extremes listed below come from historical weather data collected in Nagasaki from 1976 through 2026.
- Nagasaki recorded its highest March temperature of 24°C (75°F) on March 22, 2023.
- Nagasaki experienced its chilliest March day on March 4, 1977, reaching only 4°C (39°F).
- The lowest overnight temperature recorded in March was -3°C (27°F) (March 5, 1977).
Best Places in Japan in March
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nagasaki in March
Pack for changing conditions in Nagasaki in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 15°C (59°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Nagasaki in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Nagasaki's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Nagasaki climate overview or explore weather in Japan.
