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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 an exceptionally high level of rainfall in July, with more than 24 rainy days on average.

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Average dry days
1
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/11°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
86 %
Avg humidity

Derry in July average weather

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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
Patchy rain possible
16° /10° 2.6 mm 4
2 Jul. Patchy rain possible
Patchy rain possible
15° /8° 1.8 mm 4
3 Jul. Patchy rain possible
Patchy rain possible
16° /8° 1.9 mm 4
4 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /9° 4.9 mm 4
5 Jul. Patchy rain possible
Patchy rain possible
15° /7° 1.2 mm 4
6 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /7° 6.3 mm 4
7 Jul. Patchy rain possible
Patchy rain possible
18° /10° 3.4 mm 4
8 Jul. Overcast
Overcast
19° /9° 0.4 mm 5
9 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /9° 4.1 mm 4
10 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /8° 6.2 mm 4
11 Jul. Patchy rain possible
Patchy rain possible
16° /9° 2.8 mm 4
12 Jul. Patchy rain possible
Patchy rain possible
17° /8° 3.8 mm 4
13 Jul. Patchy rain possible
Patchy rain possible
17° /9° 2.6 mm 4
14 Jul. Heavy rain at times
Heavy rain at times
18° /10° 8.8 mm 5
15 Jul. Patchy rain possible
Patchy rain possible
17° /10° 7.3 mm 4
16 Jul. Patchy rain possible
Patchy rain possible
17° /10° 2.4 mm 4
17 Jul. Moderate rain at times
Moderate rain at times
18° /9° 3.7 mm 4
18 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /10° 6.8 mm 4
19 Jul. Patchy rain possible
Patchy rain possible
18° /10° 1.6 mm 4
20 Jul. Patchy rain possible
Patchy rain possible
16° /8° 4 mm 4
21 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /9° 6.3 mm 4
22 Jul. Patchy rain possible
Patchy rain possible
16° /9° 7.6 mm 4
23 Jul. Heavy rain at times
Heavy rain at times
18° /10° 5 mm 4
24 Jul. Patchy rain possible
Patchy rain possible
16° /10° 0.7 mm 4
25 Jul. Patchy rain possible
Patchy rain possible
17° /9° 2.6 mm 4
26 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 4.4 mm 4
27 Jul. Patchy rain possible
Patchy rain possible
19° /11° 2.3 mm 4
28 Jul. Patchy rain possible
Patchy rain possible
20° /9° 0.9 mm 5
29 Jul. Patchy rain possible
Patchy rain possible
18° /10° 2.3 mm 4
30 Jul. Moderate rain at times
Moderate rain at times
18° /9° 4.8 mm 4
31 Jul. Patchy rain possible
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 16° and cooler nights around 11°. 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 165.3 mm is expected in Derry during July, occurring over more than 30 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 21 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is Derry?

Get accurate weather forecasts for Derry, located at latitude 54.998 and longitude -7.309. Stay updated with localized weather information tailored for Derry.

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