The climate in Greystones during January can be summarized as cool and damp.
January is in the winter in Greystones and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.
|Daytime temperature||7.5°C 45.5°F|
|Nightly temperature||2.5°C 36.5°F|
|Average temperature||5°C 41°F|
|Daily sunshine||2.1 hrs|
|Avg rainfall||101 mm 4 ins|
|Rainy days||19 days|
|Sea temperature||8.9°C 48°F|
|Windspeed||24.5kph 15 mph|
On average January is the 2nd wettest month of the year in Greystones with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.1 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 Greystones in January 2022.
|Hottest month:||July||18.3°C 64.9°F|
|Driest month:||July||56mm 2.2ins|
|Coldest month:||February||7.2°C 45°F|
|Wettest month:||December||118mm 4.6ins|