St. Helens
July
Weather in St. Helens for July 2025
Your guide to St. Helens weather in July - trends and predictions
In general, the average temperature in St. Helens at the beginning of July is 17.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.4 °C by the end of July.
St. Helens experiences an exceptionally high level of rainfall in July, with more than 24 rainy days on average.
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2
Dry days
29
Rainy days
0
Snow days
19°/12°
Temperatures
20 km/h
Avg max wind
77 %
Avg humidity
St. Helens in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  16° | 3 16° | 4 17° | 5 17° | 6 18° | |
| 7  21° | 8 22° | 9 20° | 10 19° | 11 17° | 12 17° | 13 18° |
| 14 17° | 15 19° | 16 18° | 17 20° | 18 19° | 19 21° | 20 19° |
| 21 17° | 22 18° | 23 18° | 24 19° | 25 20° | 26  19° | 27 18° |
| 28 22° | 29 22° | 30 21° | 31 21° |
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Temperatures trend during July in St. Helens
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Moderate rain at times | 16° /12° | 2.8 mm | 4 | |
| 2 Jul. | Patchy rain possible | 16° /11° | 2.1 mm | 4 | |
| 3 Jul. | Moderate or heavy rain shower | 16° /9° | 6.4 mm | 4 | |
| 4 Jul. | Patchy rain possible | 17° /10° | 1.7 mm | 4 | |
| 5 Jul. | Patchy rain possible | 17° /9° | 1.6 mm | 4 | |
| 6 Jul. | Patchy rain possible | 18° /9° | 0.7 mm | 5 | |
| 7 Jul. | Partly cloudy | 21° /11° | 2.9 mm | 6 | |
| 8 Jul. | Moderate or heavy rain shower | 22° /11° | 6.7 mm | 5 | |
| 9 Jul. | Moderate or heavy rain shower | 20° /12° | 12.9 mm | 5 | |
| 10 Jul. | Moderate or heavy rain shower | 19° /11° | 3.9 mm | 5 | |
| 11 Jul. | Moderate or heavy rain shower | 17° /12° | 6.4 mm | 4 | |
| 12 Jul. | Patchy rain possible | 17° /11° | 1 mm | 4 | |
| 13 Jul. | Patchy rain possible | 18° /11° | 1.7 mm | 4 | |
| 14 Jul. | Moderate or heavy rain shower | 17° /12° | 6 mm | 4 | |
| 15 Jul. | Moderate or heavy rain shower | 19° /12° | 8.5 mm | 5 | |
| 16 Jul. | Moderate or heavy rain shower | 18° /12° | 6.9 mm | 4 | |
| 17 Jul. | Patchy rain possible | 20° /11° | 1.5 mm | 5 | |
| 18 Jul. | Moderate or heavy rain shower | 19° /12° | 3.1 mm | 5 | |
| 19 Jul. | Patchy rain possible | 21° /13° | 1.8 mm | 5 | |
| 20 Jul. | Partly cloudy | 19° /12° | 4 mm | 5 | |
| 21 Jul. | Patchy rain possible | 17° /11° | 2.7 mm | 4 | |
| 22 Jul. | Moderate or heavy rain shower | 18° /13° | 8 mm | 5 | |
| 23 Jul. | Moderate or heavy rain shower | 18° /12° | 15.2 mm | 5 | |
| 24 Jul. | Moderate or heavy rain shower | 19° /12° | 4.7 mm | 5 | |
| 25 Jul. | Patchy rain possible | 20° /12° | 0.5 mm | 5 | |
| 26 Jul. | Heavy rain at times | 19° /11° | 6.2 mm | 5 | |
| 27 Jul. | Patchy rain possible | 18° /12° | 2.7 mm | 5 | |
| 28 Jul. | Patchy rain possible | 22° /12° | 0.2 mm | 5 | |
| 29 Jul. | Patchy rain possible | 22° /13° | 0.5 mm | 6 | |
| 30 Jul. | Moderate or heavy rain shower | 21° /13° | 4 mm | 5 | |
| 31 Jul. | Heavy rain at times | 21° /13° | 7.2 mm | 5 | |
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Important Notice
Our weather forecast for St. Helens in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Helens forecast closer to your planned date for the most up-to-date weather information.
St. Helens in July - FAQ
What are the expected maximum and minimum temperatures in St. Helens during July?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in St. Helens during July?
Significant rainfall exceeding 200.1 mm is expected in St. Helens during July, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Helens during July?
The average wind speed in St. Helens during July is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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