Yilan Weather in May
What's the weather like in Yilan (Heilongjiang Sheng) in May 2025?
The climate in Yilan during May can be summarized as mild and reasonably dry.
May is in the spring in Yilan and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 20.5°C 68.8°F |
|---|---|
| Nightly temperature | 6°C 42.7°F |
| Average temperature | 13.2°C 55.8°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 51 mm 2 ins |
| Rainy days | 12 days |
| Sea temperature | 7.9°C 46.2°F |
| Humidity | 54% |
| Windspeed | 12.6kph 8 mph |
On average May is the 5th wettest month of the year in Yilan with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
May temperatures in Yilan
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Yilan in May 2025.
Other monthly averages
Yilan weather stats
| Hottest month: | July | 27.3°C 81.1°F |
|---|---|---|
| Driest month: | January | 4mm 0.2ins |
| Sunniest month: | February | 7.6hrs |
| Coldest month: | January | -13.7°C 7.3°F |
| Wettest month: | July | 137mm 5.4ins |
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