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National

Travel guide

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Best time to visit National

Data source:Meteostat
Last updated:2025-09

Weather in National throughout the year

  • Spring (March–May): Average 9–17°C, mild climate but with relatively high rainfall, especially in April. Common activities: picnics, flower viewing (such as cherry blossoms and azaleas, depending on the blooming season). Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 21–28°C, hot and humid, with relatively high rainfall, especially in June. Common activities: visiting museums, indoor activities, traveling to summer resorts. Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 12–25°C, pleasant and comfortable climate, with decreasing rainfall. Common activities: viewing maple leaves (depending on the leaf-color change), hiking. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 3–9°C, cold and dry, with low rainfall. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm jacket, sweater, scarf, gloves, hat.

Weather in National

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1653 mm / Summer humidity: 70%–80% / Rainiest month: June

National weather by month

Month
Temperature (°C)
Rainfall (mm)
January
3.3°C
33.3
February
4.6°C
67.8
March
9°C
149
April
14.4°C
164.3
May
17.3°C
188.2
June
21.5°C
270.1
July
26.6°C
139.3
August
27.6°C
220.3
September
24.9°C
180.4
October
17.1°C
121
November
12.1°C
87.9
December
6.5°C
31.4

7-day weather forecast for National

11/2
Monday
Sunny
18.5°C/12.5°C
11/3
Tuesday
Sunny
18.9°C/12°C
11/4
Wednesday
Patchy rain nearby
16.4°C/12.3°C
11/5
Thursday
Moderate rain
17.9°C/12.2°C
11/6
Friday
Sunny
23°C/13.6°C
11/7
Saturday
Partly Cloudy
15.6°C/10.8°C
11/8
Sunday
Cloudy
13.6°C/10.2°C