St. Helens, United Kingdom Weather

St. Helens,  Weather
(Photo by Jacques Bopp on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,023 hPa

Feel like: 19 °C

Temperature: 20°C

Cloud: 2%

Humidity: 60%

Wind: NW - 13 km/h

Visibility: 34.92 km

Weather forecast

Tue
21 Jul
14°C / 21°C
Overcast
Wed
22 Jul
16°C / 19°C
Overcast
Thu
23 Jul
15°C / 20°C
Overcast
Fri
24 Jul
16°C / 20°C
Moderate Drizzle
Sat
25 Jul
15°C / 19°C
Moderate Drizzle
Hourly forecast today:
17:00 PM
12° / 20°
12° / 20°
Clear Sky
60% 29 km/h
18:00 PM
13° / 20°
13° / 20°
Clear Sky
63% 29 km/h
19:00 PM
13° / 19°
13° / 19°
Clear Sky
66% 25 km/h
20:00 PM
13° / 18°
13° / 18°
Mainly Clear
70% 19 km/h
21:00 PM
13° / 18°
13° / 18°
Mainly Clear
77% 15 km/h
22:00 PM
14° / 17°
14° / 17°
Partly Cloudy
82% 10 km/h
23:00 PM
14° / 16°
14° / 16°
Clear Sky
88% 7 km/h
00:00 AM
13° / 16°
13° / 16°
Partly Cloudy
83% 4 km/h
01:00 AM
11° / 17°
11° / 17°
Partly Cloudy
71% 10 km/h
02:00 AM
11° / 16°
11° / 16°
Mainly Clear
72% 12 km/h
03:00 AM
11° / 16°
11° / 16°
Partly Cloudy
75% 14 km/h

30 Day Averages and Extremes

  • Average high 21.17°C
  • Average low 13.33°C
  • Hottest day 33°C (09 July 2026)
  • Coldest day 0°C (02 August 2026)
  • Average humidity 62.6%
  • Days with precipitation 14 days
  • Highest precipitation 57 mm (26 July 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 14°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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Sun hat or cap
- Cotton or linen fabrics
- Comfortable sandals or sneakers
- Sunscreen (if spending time outdoors)

Temperature

Early
9°C / 14°C
Morning
10°C / 19°C
Afternoon
12°C / 21°C
Evening
13°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 435
  • CO 116
  • NH3 0
  • NO2 3
  • O3 71
  • PM10 6
  • PM25 4
  • SO2 0
  • CH4 1,370

Sunrise / Sunset

04:09
20:25