Gwynedd (Barmouth)
July
Weather in Gwynedd for July 2025
Your guide to Gwynedd weather in July - trends and predictions
In general, the average temperature in Gwynedd at the beginning of July is 13.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.9 °C by the end of July.
Gwynedd experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 173.6 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
6
Dry days
25
Rainy days
0
Snow days
16°/10°
Temperatures
14 km/h
Avg max wind
85 %
Avg humidity
Gwynedd Weather July
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  14° | 3 13° | 4  13° | 5  14° | 6 13° | |
| 7 13° | 8 16° | 9 18° | 10 14° | 11 13° | 12 15° | 13 15° |
| 14 16° | 15 17° | 16 16° | 17 18° | 18 18° | 19 19° | 20 16° |
| 21 15° | 22 14° | 23 18° | 24 15° | 25 15° | 26 14° | 27 15° |
| 28 19° | 29  19° | 30 21° | 31 22° |
You can click on date
Access Gwynedd weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during July in Gwynedd
See the weather trend as well as the moving average line
July weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Moderate rain at times | 12° /10° | 4.4 mm | 3 | |
| 2 Jul. | Patchy rain possible | 14° /8° | 1.7 mm | 3 | |
| 3 Jul. | Moderate or heavy rain shower | 13° /9° | 11.3 mm | 3 | |
| 4 Jul. | Heavy rain at times | 13° /7° | 5.8 mm | 3 | |
| 5 Jul. | Overcast | 14° /8° | 2 mm | 3 | |
| 6 Jul. | Moderate or heavy rain shower | 13° /8° | 18.8 mm | 3 | |
| 7 Jul. | Moderate or heavy rain shower | 13° /8° | 9.6 mm | 3 | |
| 8 Jul. | Patchy rain possible | 16° /6° | 0.6 mm | 4 | |
| 9 Jul. | Moderate or heavy rain shower | 18° /11° | 17.2 mm | 4 | |
| 10 Jul. | Heavy rain at times | 14° /11° | 11 mm | 3 | |
| 11 Jul. | Heavy rain at times | 13° /10° | 7.3 mm | 3 | |
| 12 Jul. | Moderate rain at times | 15° /10° | 4.6 mm | 4 | |
| 13 Jul. | Patchy rain possible | 15° /8° | 0.9 mm | 3 | |
| 14 Jul. | Overcast | 16° /9° | 0 mm | 4 | |
| 15 Jul. | Moderate or heavy rain shower | 17° /8° | 10.3 mm | 4 | |
| 16 Jul. | Moderate rain at times | 16° /11° | 5.8 mm | 4 | |
| 17 Jul. | Overcast | 18° /10° | 0 mm | 4 | |
| 18 Jul. | Overcast | 18° /11° | 0 mm | 4 | |
| 19 Jul. | Patchy rain possible | 19° /13° | 0.6 mm | 4 | |
| 20 Jul. | Moderate or heavy rain shower | 16° /13° | 14.8 mm | 4 | |
| 21 Jul. | Moderate rain at times | 15° /11° | 1.8 mm | 4 | |
| 22 Jul. | Moderate rain at times | 14° /12° | 11.9 mm | 3 | |
| 23 Jul. | Patchy rain possible | 18° /12° | 6.6 mm | 4 | |
| 24 Jul. | Moderate or heavy rain shower | 15° /9° | 7.6 mm | 4 | |
| 25 Jul. | Moderate or heavy rain shower | 15° /13° | 11.3 mm | 4 | |
| 26 Jul. | Patchy rain possible | 14° /10° | 5.4 mm | 3 | |
| 27 Jul. | Moderate rain at times | 15° /11° | 1.6 mm | 4 | |
| 28 Jul. | Overcast | 19° /9° | 0 mm | 4 | |
| 29 Jul. | Sunny | 19° /10° | 0 mm | 5 | |
| 30 Jul. | Overcast | 21° /10° | 0 mm | 5 | |
| 31 Jul. | Patchy rain possible | 22° /11° | 0.7 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Gwynedd 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 Gwynedd forecast closer to your planned date for the most up-to-date weather information.
Gwynedd in July - FAQ
What are the expected maximum and minimum temperatures in Gwynedd during July?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gwynedd during July?
Significant rainfall exceeding 173.6 mm is expected in Gwynedd during July, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gwynedd during July?
The average wind speed in Gwynedd during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Gwynedd
Explore the daily rainfall trends and prepare for Gwynedds July weather 💧
UV exposure in Gwynedd during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
Top locations in Gwynedd
Select a location for an accurate weather forecast
More Locations Quick links
More Gwynedd weather pages
You are here
Where is Gwynedd?Get accurate weather forecasts for Gwynedd, located at latitude 52.724 and longitude -4.057. Stay updated with localized weather information tailored for Gwynedd.
Found a mistake?
We appreciate your attention to details. Tell us here.