Belfast
May
Weather in Belfast for May 2027
Your guide to Belfast weather in May - trends and predictions
In general, the average temperature in Belfast 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.
Belfast 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
Belfast Weather May
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Temperatures trend during May in Belfast
See the weather trend as well as the moving average line
May weather in Belfast 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 Belfast 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 Belfast forecast closer to your planned date for the most up-to-date weather information.
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Belfast in May - FAQ
What are the expected maximum and minimum temperatures in Belfast 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 Belfast during May?
Moderate rainfall is anticipated in Belfast 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 Belfast during May?
The average wind speed in Belfast during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Belfast
Explore the daily rainfall trends and prepare for Belfasts May weather 💧
Typically, Belfast has 24 rainy days in May with a total of 60.4 mm of rainfall.
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