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St Helens Weather and Climate: A Comprehensive Guide

The weather in St Helens is characterized by a steady average temperature throughout the year. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In St Helens temperatures are generally consistent throughout the year. On average, daytime temperatures range from a pleasant 20°C in January to a moderate 13°C in August.

Nighttime temperatures can drop, with average lows reaching 8°C in August. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, St Helens receives a reasonable amount of rainfall, with an annual precipitation of 749 mm. The amount of precipitation varies moderately throughout the year. The wettest month, November, sees around 77 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, May, still receives a respectable 42 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for St Helens

Wed   Jan 15
24°C | 16°C
N 6 m/s
5 mm
overcast and heavy rain

overcast and heavy rain

Thu   Jan 16
21°C | 13°C
NE 4 m/s
1.9 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Fri   Jan 17
20°C | 12°C
SE 7 m/s
0.4 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit St Helens in Australia

Other facts from our historical weather data:
  • Which is the warmest month in St Helens?
    February has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in St Helens?
    The coldest month is August with an average maximum temperature of 13°C.
  • Which is the wettest month in St Helens?
    November tops the wettest month list with 77 mm of rainfall.
  • Which is the driest month in St Helens?
    May is the driest month with 42 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.