The temperatures in Saint Helens in December are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Saint Helens during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Saint Helens in December 2024.
If you’re planning to visit Saint Helens in the near future, we highly recommend that you review the 14 day weather forecast for Saint Helens before you arrive.
Temperatures
18° / 12°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
74
mm
Sun Hours
7.0
Hrs
