Derry
July
Weather in Derry for July 2025
Your guide to Derry weather in July - trends and predictions
In general, the average temperature in Derry at the beginning of July is 15.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °C by the end of July.
Derry experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 116 mm.
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Temperatures
Rain 🌧️
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3
Dry days
28
Rainy days
0
Snow days
17°/9°
Temperatures
18 km/h
Avg max wind
84 %
Avg humidity
Derry in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2 15° | 3 16° | 4  15° | 5 15° | 6 15° | |
| 7 18° | 8  19° | 9 18° | 10 16° | 11 16° | 12 17° | 13 17° |
| 14  18° | 15 17° | 16 17° | 17 18° | 18 17° | 19 18° | 20 16° |
| 21 15° | 22 16° | 23 18° | 24 16° | 25 17° | 26 17° | 27 19° |
| 28 20° | 29 18° | 30 18° | 31 18° |
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Temperatures trend during July in Derry
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. | Patchy rain possible | 16° /10° | 2.6 mm | 4 | |
| 2 Jul. | Patchy rain possible | 15° /8° | 1.8 mm | 4 | |
| 3 Jul. | Patchy rain possible | 16° /8° | 1.9 mm | 4 | |
| 4 Jul. | Moderate or heavy rain shower | 15° /9° | 4.9 mm | 4 | |
| 5 Jul. | Patchy rain possible | 15° /7° | 1.2 mm | 4 | |
| 6 Jul. | Moderate or heavy rain shower | 15° /7° | 6.3 mm | 4 | |
| 7 Jul. | Patchy rain possible | 18° /10° | 3.4 mm | 4 | |
| 8 Jul. | Overcast | 19° /9° | 0.4 mm | 5 | |
| 9 Jul. | Moderate or heavy rain shower | 18° /9° | 4.1 mm | 4 | |
| 10 Jul. | Moderate or heavy rain shower | 16° /8° | 6.2 mm | 4 | |
| 11 Jul. | Patchy rain possible | 16° /9° | 2.8 mm | 4 | |
| 12 Jul. | Patchy rain possible | 17° /8° | 3.8 mm | 4 | |
| 13 Jul. | Patchy rain possible | 17° /9° | 2.6 mm | 4 | |
| 14 Jul. | Heavy rain at times | 18° /10° | 8.8 mm | 5 | |
| 15 Jul. | Patchy rain possible | 17° /10° | 7.3 mm | 4 | |
| 16 Jul. | Patchy rain possible | 17° /10° | 2.4 mm | 4 | |
| 17 Jul. | Moderate rain at times | 18° /9° | 3.7 mm | 4 | |
| 18 Jul. | Moderate or heavy rain shower | 17° /10° | 6.8 mm | 4 | |
| 19 Jul. | Patchy rain possible | 18° /10° | 1.6 mm | 4 | |
| 20 Jul. | Patchy rain possible | 16° /8° | 4 mm | 4 | |
| 21 Jul. | Moderate or heavy rain shower | 15° /9° | 6.3 mm | 4 | |
| 22 Jul. | Patchy rain possible | 16° /9° | 7.6 mm | 4 | |
| 23 Jul. | Heavy rain at times | 18° /10° | 5 mm | 4 | |
| 24 Jul. | Patchy rain possible | 16° /10° | 0.7 mm | 4 | |
| 25 Jul. | Patchy rain possible | 17° /9° | 2.6 mm | 4 | |
| 26 Jul. | Moderate or heavy rain shower | 17° /9° | 4.4 mm | 4 | |
| 27 Jul. | Patchy rain possible | 19° /11° | 2.3 mm | 4 | |
| 28 Jul. | Patchy rain possible | 20° /9° | 0.9 mm | 5 | |
| 29 Jul. | Patchy rain possible | 18° /10° | 2.3 mm | 4 | |
| 30 Jul. | Moderate rain at times | 18° /9° | 4.8 mm | 4 | |
| 31 Jul. | Patchy rain possible | 18° /9° | 2.3 mm | 5 | |
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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.
Derry in July - FAQ
What are the expected maximum and minimum temperatures in Derry during July?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Derry during July?
Significant rainfall exceeding 116 mm is expected in Derry during July, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
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 💧
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