St. Helens, United Kingdom Weather

  1. St. Helens, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in St. Helens over the next 12 hours
  7. Temperature and possibility of rain in St. Helens in the coming days
  8. Rainfall in St. Helens in the coming days
  9. St. Helens Weather Summary
  10. Weather averages by month
  11. St. Helens's weather
  12. Frequently asked questions
  13. Comments
St. Helens, Weather
(Photo by Jacques Bopp on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 1,027 hPa

Feel like: 14 °C

Temperature: 15°C

Cloud: 100%

Humidity: 66%

Wind: SE - 7 km/h

Visibility: 10.08 km

Weather forecast

Tue
22 Sep
10°C / 16°C
Moderate Drizzle
Wed
23 Sep
7°C / 16°C
Overcast
Thu
24 Sep
12°C / 14°C
Moderate Drizzle
Fri
25 Sep
10°C / 18°C
Partly Cloudy
Sat
26 Sep
11°C / 18°C
Drizzle
Hourly forecast today:
10:00 AM
9° / 15°
9° / 15°
Overcast
66% 15 km/h
11:00 AM
10° / 16°
10° / 16°
Overcast
65% 11 km/h
12:00 PM
10° / 17°
10° / 17°
Overcast
63% 11 km/h
13:00 PM
12° / 18°
12° / 18°
Overcast
66% 9 km/h
14:00 PM
13° / 19°
13° / 19°
Overcast
71% 11 km/h
15:00 PM
14° / 19°
14° / 19°
Overcast
76% 16 km/h
16:00 PM
15° / 18°
15° / 18°
Overcast
82% 19 km/h
17:00 PM
15° / 18°
15° / 18°
Overcast
84% 19 km/h
18:00 PM
15° / 18°
15° / 18°
Overcast
86% 10 km/h
19:00 PM
15° / 17°
15° / 17°
Overcast
88% 8 km/h
20:00 PM
15° / 17°
15° / 17°
Overcast
89% 7 km/h

30 Day Averages and Extremes

  • Average high 16.7°C
  • Average low 11.43°C
  • Hottest day 24°C (13 September 2026)
  • Coldest day 0°C (04 October 2026)
  • Average humidity 72.9%
  • Days with precipitation 25 days
  • Highest precipitation 84 mm (14 September 2026)

Yesterday's Data

  • Max: 19°C
  • Min: 11°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in St. Helens over the next 12 hours

Temperature and possibility of rain in St. Helens in the coming days

Rainfall in St. Helens in the coming days

St. Helens Climate Summary

St. Helens features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.05ºC (51.89ºF), which is about 0.3% higher than the national average for United Kingdom. Annually, the city experiences approximately 85.17 millimeters (3.35 inches) of rainfall, spread across 174.01 rainy days, accounting for 47.67% of the year.

Longitude 53.456307
Latitude -2.737095
Yearly high temperature 13.05ºC (55.49ºF)
Yearly low temperature 7.47ºC (45.45ºF)
Hottest month July 19.53ºC (67.15ºF)
Coldest month December 4.15ºC (39.47ºF)
Yearly precip 85.17mm (3.35in)
Days with rainfall 174.01 days (47.67%)
Driest month April (77.19%)
Wettest month August (78.25%)

Weather averages by month

Month High / Low (°C) Rain
January 6.66° / 2.99° 15.91 days
February 7.41° / 2.95° 13.45 days
March 9.68° / 3.7° 11.73 days
April 12.66° / 5.52° 10.73 days
May 15.17° / 7.91° 13.18 days
June 17.87° / 10.63° 15.27 days
July 19.53° / 12.68° 15.82 days
August 19.17° / 12.93° 17.73 days
September 17.18° / 11.19° 13.09 days
October 13.81° / 8.86° 15.0 days
November 9.83° / 6.07° 15.55 days
December 7.57° / 4.15° 16.55 days

St. Helens's weather

Frequently asked questions

1. What is the hottest month in St. Helens?

July has the highest average monthly temperature (daily mean of 19.53ºC) and December are the coolest (daily mean of 4.15ºC).

2. What should I wear in St. Helens today?

For today's warm weather in St. Helens, with temperatures between 17ºC to 20ºC (62.6ºF to 68.0ºF), you might consider wearing:
- Shorts or lightweight trousers
- T-shirt or short-sleeve blouse
- Light, breathable socks
- Comfortable sandals or sneakers

Temperature

Early
7°C / 11°C
Morning
8°C / 13°C
Afternoon
14°C / 19°C
Evening
15°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 444
  • CO 242
  • NH3 6
  • NO2 26
  • O3 34
  • PM10 16
  • PM25 8
  • SO2 2
  • CH4 1,474

Sunrise / Sunset

05:56
18:09