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Sennan City

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Sennan City Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Sennan City year round climate

  • Spring (March–May): Average 10.6–18.6°C, mild and comfortable climate, but with relatively high rainfall, especially in April and May. Common activities: Spring outings, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, rain gear is essential.
  • Summer (June–August): Average 22.6–28.7°C, hot and humid, with higher rainfall in June and July. Common activities: Swimming at the beach, travel to summer resorts. Recommended clothing: Light and breathable short-sleeved clothing, shorts, sandals, sunscreen is essential.
  • Autumn (September–November): Average 15.7–27.0°C, pleasant climate, gradually decreasing temperatures, relatively low rainfall. Common activities: Maple leaf viewing, outdoor excursions. Recommended clothing: Long-sleeved shirts, light jackets, pay attention to warmth due to the large temperature difference between morning and evening.
  • Winter (December–February): Average 7.2–9.8°C, cold and dry, low rainfall. Common activities: Hot springs, indoor activities. Recommended clothing: Warm clothing, thick coats, scarves, gloves, etc.

Sennan City climatological average

Annual average temperature: approx. 17.6°C / Annual rainfall: approx. 1723 mm / Summer humidity: 70%–80% / Rainiest month: June

Sennan City monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7.2°C
63.9
February
7.2°C
59.2
March
10.6°C
113.6
April
15.4°C
163.5
May
18.6°C
259.9
June
22.6°C
285.1
July
27.4°C
200.3
August
28.7°C
130.6
September
27°C
161.5
October
20.5°C
141
November
15.7°C
101.2
December
9.8°C
43.7

Sennan City weather for the next seven days

4/25
Saturday
Patchy rain nearby
17.9°C/11.7°C
4/26
Sunday
Moderate rain
19.1°C/12.9°C
4/27
Monday
Moderate rain
18.9°C/12.5°C
4/28
Tuesday
Partly Cloudy
21.1°C/14.2°C
4/29
Wednesday
Patchy rain nearby
16.6°C/12.3°C
4/30
Thursday
Overcast
16.5°C/11.2°C
5/1
Friday
Sunny
18.7°C/9.9°C

Sennan City Frequently Asked Questions and Useful Information for Travel

What is Sennan City known for?

Sennan City is renowned as the closest flower town to Kansai International Airport, boasting numerous famous floral attractions like plum, cherry, wisteria, azalea, rose, and hydrangea. Its natural beauty is further enhanced by its rich landscapes, encompassing both sea and mountains. Recently, SENNAN LONG PARK, stretching along two beaches, has become a popular destination.

Where is Sennan City located?

Sennan City (泉南市, Sennan-shi) is a city situated in Osaka Prefecture, Japan. As of December 31, 2021, it had an estimated population of 60,318 residents within 26,214 households, with a population density of 1200 persons per square kilometer.

What makes Sennan City a special place?

Sennan City is characterized by its strong community spirit. Locals often highlight the thriving school, a weekly farmers' market, and a bustling community center as unique aspects of the area. While surfing might draw visitors, it's the welcoming community that truly defines Sennan.

What are the must-visit natural attractions in Sennan City?

Sennan City is celebrated for its abundant natural beauty, offering both coastal and mountainous scenery. It's particularly famous for its diverse flower spots throughout the year, including seasonal highlights like plum blossoms, cherry blossoms, wisteria, azaleas, roses, and hydrangeas, making it a picturesque destination for nature lovers.

What is there to do at SENNAN LONG PARK?

SENNNAN LONG PARK is a rapidly growing attraction in Sennan City, located along two beautiful beaches. It offers a vibrant space for recreation and relaxation, with its scenic seaside setting making it a popular spot for both locals and tourists looking to enjoy the coastal environment.