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:
12°C
53.6°F
°C °F

Condition: Overcast

Pressure: 1,015 hPa

Feel like: 11 °C

Temperature: 12°C

Cloud: 95%

Humidity: 78%

Wind: WSW - 6 km/h

Visibility: 13.26 km

Weather forecast

Sat
26 Sep
11°C / 14°C
Slight Rain
Sun
27 Sep
8°C / 15°C
Overcast
Mon
28 Sep
11°C / 22°C
Drizzle
Tue
29 Sep
16°C / 20°C
Drizzle
Wed
30 Sep
11°C / 17°C
Drizzle
Hourly forecast today:
20:00 PM
9° / 12°
9° / 12°
Overcast
78% 14 km/h
21:00 PM
8° / 12°
8° / 12°
Clear Sky
81% 15 km/h
22:00 PM
8° / 11°
8° / 11°
Clear Sky
83% 15 km/h
23:00 PM
8° / 10°
8° / 10°
Clear Sky
83% 14 km/h
00:00 AM
8° / 10°
8° / 10°
Mainly Clear
84% 18 km/h
01:00 AM
8° / 10°
8° / 10°
Clear Sky
86% 18 km/h
02:00 AM
8° / 10°
8° / 10°
Clear Sky
86% 20 km/h
03:00 AM
8° / 10°
8° / 10°
Clear Sky
87% 19 km/h
04:00 AM
7° / 10°
7° / 10°
Clear Sky
87% 19 km/h
05:00 AM
7° / 10°
7° / 10°
Clear Sky
87% 17 km/h
06:00 AM
8° / 10°
8° / 10°
Mainly Clear
86% 15 km/h

30 Day Averages and Extremes

  • Average high 16.3°C
  • Average low 11.17°C
  • Hottest day 24°C (13 September 2026)
  • Coldest day 0°C (08 October 2026)
  • Average humidity 74.47%
  • Days with precipitation 25 days
  • Highest precipitation 84 mm (14 September 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 11°C
  • Total Precipitation: 3 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 mild weather in St. Helens, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Lightweight sweater or cardigan
- Cotton socks
- Comfortable jeans or slacks
- Sun hat (if spending time outdoors)

Temperature

Early
12°C / 15°C
Morning
12°C / 14°C
Afternoon
10°C / 13°C
Evening
8°C / 12°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 194
  • NH3 3
  • NO2 21
  • O3 46
  • PM10 9
  • PM25 5
  • SO2 1
  • CH4 1,413

Sunrise / Sunset

06:03
17:59