Lisburn and Castlereagh
May
Weather in Lisburn and Castlereagh for May 2025
Your guide to Lisburn and Castlereagh weather in May - trends and predictions
In general, the average temperature in Lisburn and Castlereagh at the beginning of May is 13 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.7 °C by the end of May.
The climate of Lisburn and Castlereagh in May is notably wet, with an average of 12 rainy days.
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19
Dry days
12
Rainy days
0
Snow days
16°/8°
Temperatures
16 km/h
Avg max wind
87 %
Avg humidity
Lisburn and Castlereagh in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  16° | 3  12° | 4  11° | |||
| 5 13° | 6 13° | 7 13° | 8 16° | 9 17° | 10 18° | 11  18° |
| 12 17° | 13 14° | 14 14° | 15 14° | 16 17° | 17  17° | 18 16° |
| 19 19° | 20 14° | 21  14° | 22 14° | 23  13° | 24 14° | 25 14° |
| 26 14° | 27 16° | 28 16° | 29 16° | 30  17° | 31 17° |
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Temperatures trend during May in Lisburn and Castlereagh
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Mist | 13° /5° | 0 mm | 3 | |
| 2 May | Overcast | 16° /7° | 0 mm | 4 | |
| 3 May | Light rain shower | 12° /8° | 0.5 mm | 3 | |
| 4 May | Light drizzle | 11° /9° | 0.7 mm | 3 | |
| 5 May | Light rain shower | 13° /9° | 1.4 mm | 3 | |
| 6 May | Fog | 13° /7° | 0.3 mm | 3 | |
| 7 May | Patchy rain possible | 13° /6° | 0.1 mm | 3 | |
| 8 May | Light rain shower | 16° /7° | 0.7 mm | 4 | |
| 9 May | Light rain shower | 17° /9° | 0.7 mm | 4 | |
| 10 May | Patchy rain possible | 18° /9° | 0.1 mm | 4 | |
| 11 May | Partly cloudy | 18° /8° | 0 mm | 5 | |
| 12 May | Light rain shower | 17° /9° | 2.8 mm | 4 | |
| 13 May | Light drizzle | 14° /10° | 9.6 mm | 3 | |
| 14 May | Light drizzle | 14° /8° | 1.2 mm | 3 | |
| 15 May | Light rain shower | 14° /8° | 0.6 mm | 3 | |
| 16 May | Patchy rain possible | 17° /8° | 0.3 mm | 4 | |
| 17 May | Patchy light rain with thunder | 17° /8° | 2.1 mm | 4 | |
| 18 May | Patchy rain possible | 16° /6° | 0.2 mm | 4 | |
| 19 May | Patchy rain possible | 19° /6° | 0.3 mm | 4 | |
| 20 May | Patchy rain possible | 14° /9° | 3.9 mm | 3 | |
| 21 May | Moderate rain at times | 14° /10° | 4.4 mm | 3 | |
| 22 May | Partly cloudy | 14° /8° | 0.2 mm | 4 | |
| 23 May | Cloudy | 13° /6° | 1.6 mm | 3 | |
| 24 May | Patchy rain possible | 14° /8° | 1.8 mm | 4 | |
| 25 May | Overcast | 14° /7° | 0.1 mm | 4 | |
| 26 May | Overcast | 14° /7° | 0.9 mm | 4 | |
| 27 May | Overcast | 16° /7° | 0.9 mm | 4 | |
| 28 May | Partly cloudy | 16° /6° | 3.9 mm | 5 | |
| 29 May | Partly cloudy | 16° /7° | 0.6 mm | 5 | |
| 30 May | Sunny | 17° /7° | 0.1 mm | 5 | |
| 31 May | Partly cloudy | 17° /8° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Lisburn and Castlereagh in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Lisburn and Castlereagh during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lisburn and Castlereagh during May?
In May, Lisburn and Castlereagh can expect light to moderate rainfall, totaling 36.9 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Lisburn and Castlereagh during May?
The average wind speed in Lisburn and Castlereagh during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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