The climate in Smithfield during May can be summarized as mild and a little damp.
May is in the fall / autumn in Smithfield and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 17.7°C 63.8°F |
|---|---|
| Nightly temperature | 7.6°C 45.6°F |
| Average temperature | 12.6°C 54.7°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 8 days |
| Sea temperature | 17.6°C 63.8°F |
| Humidity | 66% |
| Windspeed | 10.8kph 7 mph |
On average May is the 3rd wettest month of the year in Smithfield with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
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 Smithfield in May 2025.
| Hottest month: | February | 28.4°C 83.1°F |
|---|---|---|
| Driest month: | January | 20mm 0.8ins |
| Sunniest month: | February | 10.1hrs |
| Coldest month: | July | 13.7°C 56.7°F |
| Wettest month: | July | 91mm 3.6ins |