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Ireland weather

Weather in Ulster for May 2027

Your guide to Ulster weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Ulster at the beginning of May is 13 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.4 °C by the end of May.

    • Rain 🌧️

  • The climate of Ulster in May is notably wet, with an average of 13 rainy days, and a total of 79.9 mm of precipitation.

    • More

  • Is May a good time to visit Ulster? check out the best time to travel to Ulster page.

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Ulster Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
14°
2
Light rain
14°
3
Patchy rain possible
13°
4
Light rain
12°
5
Patchy rain possible
13°
6
Patchy rain possible
12°
7
Patchy rain possible
13°
8
Patchy rain possible
13°
9
Patchy rain possible
14°
10
Patchy rain possible
16°
11
Patchy rain possible
16°
12
Light rain
13°
13
Light rain
15°
14
Light rain shower
15°
15
Light rain shower
15°
16
Light rain
17°
17
Light rain
16°
18
Patchy rain possible
17°
19
Light rain
15°
20
Light rain
18°
21
Light rain
16°
22
Light rain
16°
23
Patchy rain possible
14°
24
Light rain
15°
25
Light rain
16°
26
Light rain
15°
27
Light rain shower
16°
28
Moderate or heavy rain with thunder
17°
29
Light rain
15°
30
Light rain
15°
31
Patchy rain possible
15°

What’s the Weather Like in Ulster This May?

Discover the average temperatures and weather trends across Ulster’s cities this May.
Patchy rain possibleDonegal15 °C / 7 °CPatchy rain possibleCavan15 °C / 6 °CMore Locations

Temperatures trend during May in Ulster

See the weather trend as well as the moving average line

May weather in Ulster day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 14° /6° 0.4 mm 2
2 May Light rain
Light rain
 14° /6° 3.7 mm 3
3 May Patchy rain possible
Patchy rain possible
 13° /6° 0.7 mm 2
4 May Light rain
Light rain
 12° /6° 3.6 mm 4
5 May Patchy rain possible
Patchy rain possible
 13° /4° 0.1 mm 3
6 May Patchy rain possible
Patchy rain possible
 12° /4° 0.1 mm 4
7 May Patchy rain possible
Patchy rain possible
 13° /4° 1 mm 3
8 May Patchy rain possible
Patchy rain possible
 13° /5° 0.4 mm 3
9 May Patchy rain possible
Patchy rain possible
 14° /6° 0.2 mm 4
10 May Patchy rain possible
Patchy rain possible
 16° /6° 0.4 mm 4
11 May Patchy rain possible
Patchy rain possible
 16° /7° 0.9 mm 3
12 May Light rain
Light rain
 13° /7° 3 mm 3
13 May Light rain
Light rain
 15° /7° 5.5 mm 4
14 May Light rain shower
Light rain shower
 15° /7° 1.8 mm 4
15 May Light rain shower
Light rain shower
 15° /6° 0.5 mm 3
16 May Light rain
Light rain
 17° /6° 3.3 mm 4
17 May Light rain
Light rain
 16° /6° 4.2 mm 4
18 May Patchy rain possible
Patchy rain possible
 17° /5° 1.6 mm 5
19 May Light rain
Light rain
 15° /6° 6 mm 3
20 May Light rain
Light rain
 18° /8° 2.5 mm 3
21 May Light rain
Light rain
 16° /8° 3.4 mm 4
22 May Light rain
Light rain
 16° /7° 4.4 mm 3
23 May Patchy rain possible
Patchy rain possible
 14° /6° 0.9 mm 3
24 May Light rain
Light rain
 15° /9° 5.6 mm 4
25 May Light rain
Light rain
 16° /8° 3.2 mm 4
26 May Light rain
Light rain
 15° /8° 6.4 mm 4
27 May Light rain shower
Light rain shower
 16° /7° 1.8 mm 4
28 May Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 17° /9° 4.3 mm 3
29 May Light rain
Light rain
 15° /9° 5.2 mm 4
30 May Light rain
Light rain
 15° /9° 2.5 mm 3
31 May Patchy rain possible
Patchy rain possible
 15° /8° 2.1 mm 3
Next
Important Notice
Our weather forecast for Ulster 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 Ulster forecast closer to your planned date for the most up-to-date weather information.
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Ulster in May - FAQ

What are the expected maximum and minimum temperatures in Ulster during May?
During May, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Ulster during May?
Moderate rainfall is anticipated in Ulster during May, with a total of 79.9 mm spread over approximately 13 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Ulster during May?
The average wind speed in Ulster during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Ulster

Explore the daily rainfall trends and prepare for Ulsters May weather 💧
Typically, Ulster has 13 rainy days in May with a total of 79.9 mm of rainfall.
Provinces in Ulster
Select a province for an accurate weather forecast
An CabhánCounty Donegal
Top locations in Ulster
Select a location for an accurate weather forecast
CavanDonegal
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