Sil-li Weather in May
What's the weather like in Sil-li (P'yŏngan-namdo) in May 2026?
The climate in Sil-li during May can be summarized as mild and reasonably dry.
May is in the spring in Sil-li and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 21.7°C 71°F |
|---|---|
| Nightly temperature | 10°C 49.9°F |
| Average temperature | 15.8°C 60.4°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 65 mm 2.6 ins |
| Rainy days | 9 days |
| Sea temperature | 11°C 51.7°F |
| Humidity | 64% |
| Windspeed | 11.5kph 7 mph |
On average May is the 5th wettest month of the year in Sil-li with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
May temperatures in Sil-li
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 Sil-li in May 2025.
Other monthly averages
Sil-li weather stats
| Hottest month: | August | 28.7°C 83.7°F |
|---|---|---|
| Driest month: | February | 13mm 0.5ins |
| Sunniest month: | March | 8hrs |
| Coldest month: | January | -3.1°C 26.4°F |
| Wettest month: | July | 290mm 11.4ins |
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