Portrush
May
Weather in Portrush for May 2026
Your guide to Portrush weather in May - trends and predictions
In general, the average temperature in Portrush at the beginning of May is 10 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 12.4 °C by the end of May.
The climate of Portrush in May is notably wet, with an average of 15 rainy days, and a total of 76 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
13°/8°
Temperatures
21 km/h
Avg max wind
80 %
Avg humidity
Portrush Weather May
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Temperatures trend during May in Portrush
See the weather trend as well as the moving average line
May weather in Portrush day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 12° /8° | 0.4 mm | 3 | |
| 2 May | Patchy rain possible | 10° /7° | 0.3 mm | 3 | |
| 3 May | Patchy rain possible | 9° /7° | 0.6 mm | 2 | |
| 4 May |  Overcast | 8° /6° | 0 mm | 2 | |
| 5 May |  Sunny | 10° /4° | 0 mm | 4 | |
| 6 May | Overcast | 11° /4° | 0 mm | 3 | |
| 7 May |  Cloudy | 10° /7° | 0 mm | 3 | |
| 8 May | Cloudy | 12° /6° | 0 mm | 3 | |
| 9 May | Cloudy | 15° /8° | 0 mm | 4 | |
| 10 May | Overcast | 16° /8° | 0 mm | 4 | |
| 11 May | Patchy rain possible | 16° /9° | 1.2 mm | 4 | |
| 12 May |  Moderate or heavy rain shower | 15° /9° | 22.6 mm | 4 | |
| 13 May | Sunny | 18° /11° | 0 mm | 5 | |
| 14 May | Sunny | 15° /9° | 0 mm | 5 | |
| 15 May | Overcast | 14° /8° | 0 mm | 3 | |
| 16 May | Sunny | 15° /8° | 0 mm | 5 | |
| 17 May | Sunny | 15° /9° | 0 mm | 5 | |
| 18 May | Overcast | 14° /9° | 0 mm | 3 | |
| 19 May |  Partly cloudy | 14° /8° | 0 mm | 4 | |
| 20 May | Patchy rain possible | 14° /8° | 0.5 mm | 3 | |
| 21 May | Sunny | 12° /9° | 0 mm | 4 | |
| 22 May | Sunny | 13° /8° | 0 mm | 4 | |
| 23 May |  Heavy rain at times | 13° /7° | 6 mm | 3 | |
| 24 May | Moderate or heavy rain shower | 16° /12° | 14 mm | 4 | |
| 25 May | Light rain shower | 11° /8° | 6.8 mm | 3 | |
| 26 May | Light rain shower | 11° /8° | 9.5 mm | 3 | |
| 27 May | Light rain shower | 11° /8° | 2 mm | 3 | |
| 28 May | Light rain shower | 12° /9° | 1.5 mm | 3 | |
| 29 May | Light rain shower | 15° /10° | 7.1 mm | 4 | |
| 30 May | Patchy rain possible | 13° /10° | 0.6 mm | 3 | |
| 31 May | Light rain shower | 14° /10° | 2.9 mm | 3 | |
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Important Notice
Our weather forecast for Portrush 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 Portrush forecast closer to your planned date for the most up-to-date weather information.
Change Month
Portrush in May - FAQ
What are the expected maximum and minimum temperatures in Portrush during May?
During May, expect a variety of temperatures with highs around 13° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portrush during May?
Moderate rainfall is anticipated in Portrush during May, with a total of 76 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Portrush during May?
The average wind speed in Portrush during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Portrush
Explore the daily rainfall trends and prepare for Portrushs May weather 💧
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