Green Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Green Island.
Climate overview of Green Island
Temperatures in Green Island, Taitung County, Taiwan, shift moderately through the seasons. The warmest month is July at 31°C (88°F), and the coolest is January at 24°C (75°F).
With around 2370 mm (93 in) of annual rainfall, Green Island has a notably wet climate. However, this rainfall is not evenly distributed — the city has a distinct rainy season from May to November. The wettest month is September. Sunshine peaks in July, when the city sees around 8.1 hours of sunshine per day.
Green Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Green Island - and find the best time to visit.
Monthly Temperature in Green Island
In Green Island, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a comfortable 24°C (75°F).
At night, temperatures range from around 28°C (82°F) in July to 20°C (68°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Green Island
Green Island has a notably wet climate with abundant precipitation, recording 2370 mm (93 in) of rainfall per year. Green Island can be quite wet during September, receiving approximately 346 mm (14 in) of precipitation over 17 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 87 mm (3.4 in) of precipitation spread across 16 rainy days. For more details, please visit our Green Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Green Island
Green Island can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.1 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Green Island by Month
The relative humidity is high throughout the year in Green Island.
The city experiences its highest humidity in June, reaching 79%. In December, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Green Island
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March and April
- Warmest weather: June, July, August and September
- Most sunshine: July
- Seasonal pattern: A distinct rainy season from May to November
Frequently asked questions about the climate in Green Island
What is the best time to visit Green Island?
March and April typically offer the most optimal weather in Green Island. In contrast, June, July, August and September tend to have less optimal conditions. Green Island has a distinct rainy season from May to November.
What temperatures can I expect in Green Island?
Daytime highs range from 24°C (75°F) in January to 31°C (88°F) in July. Nighttime lows range from 20°C (68°F) to 28°C (82°F).
How much rain does Green Island get?
Annual rainfall is around 2370 mm (93 in). September is the wettest month with 346 mm (14 in), while March is the driest with 87 mm (3.4 in).
How sunny is Green Island?
Green Island receives around 1,729 hours of sunshine per year. July is the sunniest month with 243 hours, while February is the cloudiest with just 81 hours.
Green Island 3-Day Forecast
Green Island 3-Day Forecast
Green Island on the map
Green Island is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
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