Northern Ireland (Belfast)
May
Weather in Northern Ireland for May 2027
Your guide to Northern Ireland weather in May - trends and predictions
In general, the average temperature in Northern Ireland at the beginning of May is 13 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.9 °C by the end of May.
Northern Ireland experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 60.4 mm.
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Temperatures
Rain 🌧️
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7
Dry days
24
Rainy days
0
Snow days
14°/7°
Temperatures
18 km/h
Avg max wind
83 %
Avg humidity
Northern Ireland Weather May
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What’s the Weather Like in Northern Ireland This May?
Discover the average temperatures and weather trends across Northern Ireland’s cities this May.
Temperatures trend during May in Northern Ireland
See the weather trend as well as the moving average line
May weather in Northern Ireland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 14° /6° | 1.2 mm | 3 | |
| 2 May | Patchy rain possible | 13° /6° | 0.5 mm | 3 | |
| 3 May | Patchy rain possible | 12° /6° | 0.8 mm | 3 | |
| 4 May | Patchy rain possible | 12° /5° | 1 mm | 3 | |
| 5 May |  Heavy rain at times | 13° /6° | 2.2 mm | 4 | |
| 6 May | Patchy rain possible | 13° /5° | 0.8 mm | 3 | |
| 7 May | Patchy rain possible | 14° /6° | 1.2 mm | 3 | |
| 8 May | Patchy rain possible | 14° /6° | 4.9 mm | 4 | |
| 9 May | Patchy rain possible | 14° /6° | 0.4 mm | 4 | |
| 10 May | Patchy rain possible | 15° /5° | 2.3 mm | 4 | |
| 11 May |  Moderate or heavy rain shower | 14° /7° | 3 mm | 4 | |
| 12 May |  Cloudy | 14° /7° | 1.6 mm | 3 | |
| 13 May |  Sunny | 15° /7° | 3.4 mm | 4 | |
| 14 May | Patchy rain possible | 13° /6° | 1.4 mm | 3 | |
| 15 May | Patchy rain possible | 13° /5° | 0.7 mm | 4 | |
| 16 May | Patchy rain possible | 14° /5° | 1.6 mm | 4 | |
| 17 May |  Overcast | 15° /6° | 1.9 mm | 4 | |
| 18 May | Patchy rain possible | 16° /5° | 1.8 mm | 4 | |
| 19 May | Overcast | 15° /6° | 5.4 mm | 3 | |
| 20 May | Patchy rain possible | 15° /7° | 1.5 mm | 3 | |
| 21 May | Patchy rain possible | 16° /8° | 1.8 mm | 3 | |
| 22 May | Patchy rain possible | 15° /7° | 0.6 mm | 3 | |
| 23 May | Cloudy | 15° /6° | 1.6 mm | 4 | |
| 24 May | Patchy rain possible | 16° /8° | 2.5 mm | 4 | |
| 25 May | Overcast | 16° /8° | 1.2 mm | 4 | |
| 26 May | Light rain shower | 15° /8° | 3.3 mm | 4 | |
| 27 May | Overcast | 15° /8° | 1 mm | 4 | |
| 28 May | Light rain shower | 16° /7° | 3.8 mm | 4 | |
| 29 May | Light rain shower | 16° /8° | 2.7 mm | 4 | |
| 30 May | Patchy rain possible | 16° /7° | 1.5 mm | 4 | |
| 31 May | Sunny | 17° /8° | 1.3 mm | 4 | |
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Important Notice
Our weather forecast for Northern Ireland 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 Northern Ireland forecast closer to your planned date for the most up-to-date weather information.
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Northern Ireland in May - FAQ
What are the expected maximum and minimum temperatures in Northern Ireland during May?
During May, expect a variety of temperatures with highs around 14° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Northern Ireland during May?
Moderate rainfall is anticipated in Northern Ireland during May, with a total of 60.4 mm spread over approximately 24 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Northern Ireland during May?
The average wind speed in Northern Ireland during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Northern Ireland
Explore the daily rainfall trends and prepare for Northern Irelands May weather 💧
Typically, Northern Ireland has 24 rainy days in May with a total of 60.4 mm of rainfall.
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