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Ainan

Travel Info
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Ainan Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Ainan year round climate

  • Spring (March–May): 12.8–19.6°C on average, mild and rainy, with increasing rainfall. Common activities: flower viewing, outdoor walks. Suggested clothing: light jacket, long-sleeved shirt.
  • Summer (June–August): 23.3–28.2°C on average, hot and humid, with the most rainfall in June. Common activities: beach activities, visits to summer resorts. Suggested clothing: light and breathable clothing, sun hat.
  • Autumn (September–November): 20.4–15.9°C on average, comfortable climate, with decreasing rainfall. Common activities: hiking, maple viewing (depending on the situation). Suggested clothing: comfortable long-sleeved shirt, light jacket.
  • Winter (December–February): 9.3–8.0°C on average, lower temperatures, dry and less rain. Common activities: hot spring trips, indoor activities. Suggested clothing: warm clothing, thick jacket.

Ainan climatological average

Annual average temperature: approx. 17.8°C / Annual rainfall: approx. 1952 mm / Summer humidity: 70%–80% / Rainiest month: June

Ainan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
8°C
55
February
8.8°C
90.2
March
12.8°C
181.4
April
17°C
199.8
May
19.6°C
243.6
June
23.3°C
324.7
July
27.6°C
197.1
August
28.2°C
176.7
September
26.4°C
287.6
October
20.4°C
76
November
15.9°C
88.3
December
9.3°C
32.2

Ainan weather for the next seven days

12/31
Wednesday
Partly Cloudy
10.9°C/4.7°C
1/1
Thursday
Overcast
8.5°C/3.9°C
1/2
Friday
Patchy rain nearby
4.4°C/2.4°C
1/3
Saturday
Patchy rain nearby
8.3°C/1.5°C
1/4
Sunday
Patchy rain nearby
11.5°C/5.1°C
1/5
Monday
Sunny
10°C/5.8°C
1/6
Tuesday
Patchy rain nearby
11.2°C/6.3°C

Ainan Frequently Asked Questions and Useful Information for Travel

What are the best times to visit Ainan?

The best times to visit Ainan are during the spring (March to May) and autumn (September to November) when the weather is pleasant and ideal for outdoor activities and exploring the region.

What are the must-see attractions in Ainan?

Key attractions in Ainan include the serene Ainan Park, the historic Ainan Castle ruins, and the picturesque Ainan Riverfront promenade, offering diverse experiences for every traveler.

What local cuisine should I try in Ainan?

In Ainan, be sure to sample the local delicacies such as freshly caught Ainan River fish, traditional Ainan rice cakes, and the region's specialty herbal teas for an authentic taste.

How can I get around Ainan?

Navigating Ainan is convenient with its local bus network, readily available taxis, and options for bicycle rentals, allowing you to explore at your own pace.

Are there any unique cultural experiences in Ainan?

Ainan offers unique cultural experiences like participating in traditional tea ceremonies, visiting local artisan workshops, and attending seasonal festivals that showcase the region's heritage.