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Weather in Lisburn and Castlereagh for August 2025

Your guide to Lisburn and Castlereagh weather in August - trends and predictions
  • In general, the average temperature in Lisburn and Castlereagh at the beginning of August is 17.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.3 °C by the end of August.

  • Lisburn and Castlereagh experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

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Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Lisburn and Castlereagh in August average weather

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Temperatures trend during August in Lisburn and Castlereagh

See the weather trend as well as the moving average line

August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Overcast
Overcast
20° /12° 0.9 mm 5
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /10° 10.3 mm 5
3 Aug. Patchy rain possible
Patchy rain possible
17° /9° 0.7 mm 4
4 Aug. Patchy rain possible
Patchy rain possible
17° /10° 4.8 mm 4
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /11° 16.8 mm 5
6 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /8° 3.1 mm 4
7 Aug. Patchy rain possible
Patchy rain possible
17° /9° 1.2 mm 4
8 Aug. Cloudy
Cloudy
18° /9° 1.8 mm 4
9 Aug. Overcast
Overcast
19° /10° 0.4 mm 5
10 Aug. Patchy rain possible
Patchy rain possible
19° /12° 1.9 mm 5
11 Aug. Patchy rain possible
Patchy rain possible
19° /10° 1.1 mm 5
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /12° 7.1 mm 4
13 Aug. Patchy rain possible
Patchy rain possible
18° /10° 1.2 mm 4
14 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /9° 1 mm 4
15 Aug. Patchy rain possible
Patchy rain possible
17° /9° 6.2 mm 4
16 Aug. Patchy rain possible
Patchy rain possible
17° /8° 0.1 mm 4
17 Aug. Patchy rain possible
Patchy rain possible
18° /10° 0.2 mm 4
18 Aug. Heavy rain at times
Heavy rain at times
17° /10° 5.2 mm 4
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /11° 18.3 mm 4
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /11° 4.4 mm 4
21 Aug. Patchy rain possible
Patchy rain possible
17° /10° 2.9 mm 4
22 Aug. Patchy rain possible
Patchy rain possible
17° /11° 5.9 mm 4
23 Aug. Patchy rain possible
Patchy rain possible
17° /10° 4.6 mm 4
24 Aug. Overcast
Overcast
16° /8° 1.4 mm 4
25 Aug. Light rain shower
Light rain shower
15° /8° 2.7 mm 4
26 Aug. Light rain shower
Light rain shower
17° /9° 5.3 mm 4
27 Aug. Light drizzle
Light drizzle
17° /11° 2.1 mm 4
28 Aug. Mist
Mist
18° /9° 1.4 mm 4
29 Aug. Patchy rain possible
Patchy rain possible
16° /8° 0.7 mm 4
30 Aug. Light rain shower
Light rain shower
16° /7° 0.8 mm 4
31 Aug. Light rain
Light rain
15° /8° 3.6 mm 4
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Important Notice
Our weather forecast for Lisburn and Castlereagh in August 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 Lisburn and Castlereagh forecast closer to your planned date for the most up-to-date weather information.

Lisburn and Castlereagh in August - FAQ

What are the expected maximum and minimum temperatures in Lisburn and Castlereagh during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lisburn and Castlereagh during August?
Significant rainfall exceeding 133.7 mm is expected in Lisburn and Castlereagh during August, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lisburn and Castlereagh during August?
The average wind speed in Lisburn and Castlereagh during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Lisburn and Castlereagh?

Get accurate weather forecasts for Lisburn and Castlereagh, located at latitude 54.523 and longitude -6.035. Stay updated with localized weather information tailored for Lisburn and Castlereagh.

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