Northern Ireland (Belfast)
May
Weather in Northern Ireland for May 2025
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 13.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.7 °C by the end of May.
Northern Ireland sees moderate rainfall in May, averaging 8 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
23
Dry days
8
Rainy days
0
Snow days
16°/7°
Temperatures
16 km/h
Avg max wind
86 %
Avg humidity
Northern Ireland in May average weather
Move between months or click on a day
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 14° | 2 14° | 3 12° | 4 12° | |||
5 14° | 6 14° | 7 14° | 8 16° | 9 16° | 10 15° | 11 16° |
12 16° | 13 15° | 14 12° | 15 13° | 16 15° | 17 16° | 18 16° |
19 16° | 20 15° | 21 15° | 22 14° | 23 12° | 24 14° | 25 15° |
26 14° | 27 16° | 28 15° | 29 16° | 30 17° | 31 17° |
You can click on date
Access Northern Ireland weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Northern Ireland
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Patchy rain possible | 14° /6° | 0.1 mm | 4 | |
2 May | Overcast | 14° /6° | 0 mm | 4 | |
3 May | Overcast | 12° /8° | 1 mm | 3 | |
4 May | Overcast | 12° /7° | 1.6 mm | 3 | |
5 May | Heavy rain at times | 14° /8° | 4.4 mm | 4 | |
6 May | Patchy rain possible | 14° /7° | 0.3 mm | 3 | |
7 May | Patchy rain possible | 14° /6° | 1.2 mm | 4 | |
8 May | Moderate or heavy rain shower | 16° /8° | 9.4 mm | 4 | |
9 May | Patchy rain possible | 16° /8° | 0.8 mm | 4 | |
10 May | Moderate or heavy rain shower | 15° /8° | 4.4 mm | 4 | |
11 May | Moderate or heavy rain shower | 16° /7° | 3.7 mm | 4 | |
12 May | Cloudy | 16° /8° | 1.3 mm | 4 | |
13 May | Sunny | 15° /8° | 5.5 mm | 4 | |
14 May | Patchy rain possible | 12° /7° | 2.4 mm | 3 | |
15 May | Patchy rain possible | 13° /6° | 0.3 mm | 3 | |
16 May | Patchy rain possible | 15° /6° | 0.2 mm | 4 | |
17 May | Overcast | 16° /7° | 0.6 mm | 4 | |
18 May | Overcast | 16° /6° | 0.1 mm | 4 | |
19 May | Overcast | 16° /6° | 0.2 mm | 4 | |
20 May | Patchy rain possible | 15° /8° | 2 mm | 4 | |
21 May | Moderate rain at times | 15° /9° | 2.4 mm | 4 | |
22 May | Partly cloudy | 14° /8° | 0.4 mm | 4 | |
23 May | Cloudy | 12° /7° | 2.6 mm | 3 | |
24 May | Patchy rain possible | 14° /7° | 1.4 mm | 4 | |
25 May | Overcast | 15° /7° | 0.1 mm | 4 | |
26 May | Overcast | 14° /8° | 1.1 mm | 4 | |
27 May | Overcast | 16° /7° | 0.9 mm | 4 | |
28 May | Sunny | 15° /6° | 4.1 mm | 4 | |
29 May | Sunny | 16° /7° | 0.6 mm | 5 | |
30 May | Sunny | 17° /7° | 0.1 mm | 4 | |
31 May | Sunny | 17° /8° | 0 mm | 5 | |
Next |
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.
Northern Ireland in May - FAQ
What are the expected maximum and minimum temperatures in Northern Ireland during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Northern Ireland during May?
Moderate rainfall is anticipated in Northern Ireland during May, with a total of 92.2 mm spread over approximately 8 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 16 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 💧
Provinces in Northern Ireland
Select a province for an accurate weather forecast
Top locations in Northern Ireland
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Northern Ireland?
Get accurate weather forecasts for Northern Ireland, located at latitude 54.597 and longitude -5.925. Stay updated with localized weather information tailored for Northern Ireland.
Found a mistake?
We appreciate your attention to details. Tell us here.