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Numata

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Numata Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Numata year round climate

  • Spring (March–May): Average 6.7–15.9°C, mild climate but with relatively high rainfall, especially in May. Common activities: Picnics, flower viewing (e.g., cherry blossoms, azaleas, depending on blooming season). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 20.4–26.4°C, hot and humid with abundant rainfall; take precautions against heatstroke. Common activities: Summer resorts (e.g., mountain streams), outdoor activities (be mindful of sun protection and rain). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 9.6–23.6°C, pleasant climate with gradually decreasing rainfall. Common activities: Autumn foliage viewing (depending on the timing of leaf color change), hiking. Recommended clothing: Light jacket, long-sleeved shirt; note the significant temperature difference between day and night.
  • Winter (December–February): Average 0.9–4.5°C, cold and dry with low rainfall. Common activities: Skiing (requires travel to nearby areas), hot spring bathing. Recommended clothing: Thick coat, warm clothing, hat, gloves, scarf.

Numata climatological average

Annual average temperature: approx. 13.6°C / Annual rainfall: approx. 1323 mm / Summer humidity: 70%–80% / Rainiest month: August

Numata monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
0.9°C
23.6
February
2.1°C
45.3
March
6.7°C
93.5
April
12.5°C
112.1
May
15.9°C
163.8
June
20.4°C
182.5
July
25.2°C
174.2
August
26.4°C
188.3
September
23.6°C
183.4
October
15°C
78
November
9.6°C
57.6
December
4.5°C
21

Numata weather for the next seven days

12/15
Monday
Patchy heavy snow
-1.1°C/-5.7°C
12/16
Tuesday
Sunny
5.5°C/-7.7°C
12/17
Wednesday
Light freezing rain
3.4°C/-3.5°C
12/18
Thursday
Sunny
2°C/-5.6°C
12/19
Friday
Sunny
5°C/-5.5°C
12/20
Saturday
Overcast
6.9°C/-2.6°C
12/21
Sunday
Partly Cloudy
5.4°C/1.9°C

Numata Frequently Asked Questions and Useful Information for Travel

What kind of city is Numata?

The attractive city of Numata is the only castle town in Japan built on river terraces by the Sanada clan over 400 years ago. There are still many remains from the Sanada era all over the city, including stone walls from the Sanada era at the Numata Castle Ruins.

What is the meaning of Numata?

The name Numata can be interpreted to mean marsh, lake, bog, swamp, or pond in Japanese, reflecting the historical landscape of the region.

What can I see in Numata?

Numata is rich in historical sites, particularly those related to the Sanada clan. Visitors can explore the Numata Castle Ruins, admire the ancient stone walls, and discover numerous historical remnants scattered throughout the city, offering a glimpse into Japan's feudal past.

Is Numata a good destination for history enthusiasts?

Absolutely. Numata is a historically significant castle town, uniquely built by the Sanada clan over four centuries ago. The city preserves many vestiges of this era, making it an ideal destination for those interested in Japanese history and samurai culture.

What is Numata known for historically?

Numata is renowned as Japan's only castle town constructed on river terraces, a testament to the strategic planning of the Sanada clan over 400 years ago. The city boasts well-preserved historical remains and is a significant site for understanding feudal Japan.