Derry
July
Weather in Derry for July 2026
Your guide to Derry weather in July - trends and predictions
So far, July 2026 in Derry is slightly warmer than the historical average by 2 °C.
The forecast for the next days in Derry predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Derry at the beginning of July is 16.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 18 °C by the end of July.
Derry experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 93.4 mm.
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Temperatures
Rain 🌧️
More
3
Dry days
28
Rainy days
0
Snow days
18°/10°
Temperatures
18 km/h
Avg max wind
83 %
Avg humidity
Derry Weather July
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Temperatures trend during July in Derry
See the weather trend as well as the moving average line
July weather in Derry day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. |  Patchy rain possible | 17° /9° | 3.1 mm | 3 | |
| 2 Jul. | Patchy rain possible | 16° /8° | 1.5 mm | 4 | |
| 3 Jul. | Light rain shower | 15° /8° | 3.6 mm | 3 | |
| 4 Jul. |  Moderate or heavy rain shower | 15° /10° | 3.6 mm | 3 | |
| 5 Jul. | Patchy rain possible | 16° /10° | 1.4 mm | 3 | |
| 6 Jul. | Light rain shower | 17° /9° | 3.7 mm | 4 | |
| 7 Jul. | Patchy rain possible | 19° /10° | 2 mm | 4 | |
| 8 Jul. |  Overcast | 20° /10° | 0.3 mm | 5 | |
| 9 Jul. | Moderate or heavy rain shower | 20° /10° | 2.1 mm | 5 | |
| 10 Jul. | Moderate or heavy rain shower | 19° /9° | 3.1 mm | 4 | |
| 11 Jul. | Patchy rain possible | 19° /10° | 1.4 mm | 5 | |
| 12 Jul. | Patchy rain possible | 21° /10° | 1.9 mm | 5 | |
| 13 Jul. | Patchy rain possible | 20° /11° | 1.3 mm | 6 | |
| 14 Jul. |  Heavy rain at times | 20° /9° | 7.6 mm | 5 | |
| 15 Jul. | Light rain shower | 19° /9° | 4.2 mm | 5 | |
| 16 Jul. | Patchy rain possible | 20° /10° | 1.4 mm | 5 | |
| 17 Jul. | Moderate rain at times | 19° /9° | 6.9 mm | 5 | |
| 18 Jul. | Light rain shower | 18° /10° | 4 mm | 5 | |
| 19 Jul. |  Sunny | 19° /9° | 0 mm | 6.6 | |
| 20 Jul. | Overcast | 17° /13° | 0.2 mm | 5.4 | |
| 21 Jul. | Sunny | 19° /11° | 0 mm | 6.3 | |
| 22 Jul. | Overcast | 20° /11° | 0.2 mm | 2.7 | |
| 23 Jul. | Sunny | 21° /10° | 0 mm | 6.5 | |
| 24 Jul. | Sunny | 21° /10° | 0 mm | 6 | |
| 25 Jul. | Patchy rain possible | 16° /14° | 0.3 mm | 4 | |
| 26 Jul. | Patchy rain possible | 21° /12° | 0.1 mm | 6 | |
| 27 Jul. | Overcast | 19° /10° | 0.6 mm | 4 | |
| 28 Jul. |  Partly cloudy | 22° /15° | 0.4 mm | 6 | |
| 29 Jul. |  Cloudy | 16° /11° | 14.7 mm | 4 | |
| 30 Jul. | Patchy rain possible | 16° /10° | 5.1 mm | 4 | |
| 31 Jul. | Patchy rain possible | 16° /10° | 1.3 mm | 4 | |
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Important Notice
Our weather forecast for Derry 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 Derry forecast closer to your planned date for the most up-to-date weather information.
Change Month
Derry in July - FAQ
What are the expected maximum and minimum temperatures in Derry during July?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Derry during July?
Moderate rainfall is anticipated in Derry during July, with a total of 93.4 mm spread over approximately 28 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Derry during July?
The average wind speed in Derry during July is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Derry
Explore the daily rainfall trends and prepare for Derrys July weather 💧
Typically, Derry has 28 rainy days in July with a total of 93.4 mm of rainfall.
UV exposure in Derry during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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