Cardiff
July
Weather in Cardiff for July 2026
Your guide to Cardiff weather in July - trends and predictions
So far, July 2026 in Cardiff shows a warmer trend than usual by 3.6 °C.
The forecast for the next days in Cardiff predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Cardiff at the beginning of July is 19 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.7 °C by the end of July.
The climate of Cardiff in July is notably wet, with an average of 14 rainy days, and a total of 78.9 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
20°/13°
Temperatures
24 km/h
Avg max wind
77 %
Avg humidity
Cardiff Weather July
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Temperatures trend during July in Cardiff
See the weather trend as well as the moving average line
July weather in Cardiff day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 20° /12° | 0.3 mm | 5 | |
| 2 Jul. |  Overcast | 19° /10° | 0.8 mm | 5 | |
| 3 Jul. | Patchy rain possible | 18° /10° | 0.6 mm | 5 | |
| 4 Jul. |  Moderate or heavy rain shower | 18° /11° | 2.6 mm | 5 | |
| 5 Jul. |  Cloudy | 18° /12° | 3.1 mm | 5 | |
| 6 Jul. | Patchy rain possible | 19° /12° | 1.9 mm | 5 | |
| 7 Jul. |  Sunny | 21° /11° | 0.5 mm | 6 | |
| 8 Jul. | Moderate rain at times | 21° /11° | 4 mm | 6 | |
| 9 Jul. | Light rain shower | 22° /12° | 4.1 mm | 6 | |
| 10 Jul. | Sunny | 23° /13° | 3.1 mm | 6 | |
| 11 Jul. | Sunny | 23° /14° | 2.1 mm | 6 | |
| 12 Jul. | Patchy rain possible | 23° /13° | 0.6 mm | 6 | |
| 13 Jul. | Patchy rain possible | 22° /13° | 1 mm | 6 | |
| 14 Jul. | Moderate or heavy rain shower | 21° /12° | 6.7 mm | 6 | |
| 15 Jul. | Moderate or heavy rain shower | 19° /13° | 10.2 mm | 5 | |
| 16 Jul. | Moderate rain at times | 21° /13° | 2 mm | 5 | |
| 17 Jul. | Patchy rain possible | 22° /14° | 1.1 mm | 6 | |
| 18 Jul. | Patchy rain possible | 22° /13° | 0.9 mm | 6 | |
| 19 Jul. | Cloudy | 22° /13° | 0.5 mm | 6 | |
| 20 Jul. | Light rain shower | 20° /12° | 6.5 mm | 5 | |
| 21 Jul. | Patchy rain possible | 20° /12° | 0.9 mm | 5 | |
| 22 Jul. | Patchy rain possible | 20° /12° | 6.7 mm | 5 | |
| 23 Jul. | Light rain shower | 21° /14° | 2.6 mm | 5 | |
| 24 Jul. | Moderate or heavy rain shower | 21° /12° | 1.8 mm | 5 | |
| 25 Jul. | Sunny | 21° /12° | 0.5 mm | 6 | |
| 26 Jul. | Patchy rain possible | 20° /12° | 2.8 mm | 5 | |
| 27 Jul. | Patchy rain possible | 20° /12° | 0.7 mm | 5 | |
| 28 Jul. | Patchy rain possible | 22° /13° | 0.4 mm | 6 | |
| 29 Jul. | Sunny | 25° /15° | 0 mm | 6 | |
| 30 Jul. | Sunny | 22° /13° | 0 mm | 6.2 | |
| 31 Jul. | Sunny | 22° /10° | 0 mm | 5.9 | |
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Important Notice
Our weather forecast for Cardiff 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 Cardiff forecast closer to your planned date for the most up-to-date weather information.
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Cardiff in July - FAQ
What are the expected maximum and minimum temperatures in Cardiff during July?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cardiff during July?
Moderate rainfall is anticipated in Cardiff during July, with a total of 78.9 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cardiff during July?
The average wind speed in Cardiff during July is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Cardiff
Explore the daily rainfall trends and prepare for Cardiffs July weather 💧
Typically, Cardiff has 14 rainy days in July with a total of 78.9 mm of rainfall.
UV exposure in Cardiff during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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