weathercrisp.com
Ulster (Donegal)
AthloneBalbrigganCavanCobhCorkDingleDonegalDoolinDublinGalwayKildareKilkennyKillaloeLimerickLongfordNavanPortlaoiseRoscommonSkerriesSligoTipperaryTraleeWaterfordWatervilleWestportWexfordWicklow More Locations
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 13.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.7 °C by the end of May.

    • Rain 🌧️

  • Ulster experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 88.7 mm.

Average dry days
8
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/6°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Ulster Weather May

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

What’s the Weather Like in Ulster This May?

Discover the average temperatures and weather trends across Ulster’s cities this May.
Patchy rain possibleDonegal14 °C / 6 °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
 15° /6° 0.4 mm 2
2 May Patchy rain possible
Patchy rain possible
 14° /5° 3.7 mm 3
3 May Patchy rain possible
Patchy rain possible
 13° /5° 0.7 mm 2
4 May Light rain
Light rain
 12° /5° 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° /3° 0.1 mm 4
7 May Cloudy
Cloudy
 14° /3° 1 mm 3
8 May Patchy rain possible
Patchy rain possible
 14° /5° 0.4 mm 3
9 May Patchy rain possible
Patchy rain possible
 14° /5° 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
 17° /6° 0.9 mm 3
12 May Patchy rain possible
Patchy rain possible
 13° /7° 3 mm 3
13 May Light rain shower
Light rain shower
 15° /7° 5.5 mm 4
14 May Light rain shower
Light rain shower
 16° /6° 1.8 mm 4
15 May Light rain shower
Light rain shower
 16° /6° 0.5 mm 3
16 May Light rain shower
Light rain shower
 17° /5° 3.3 mm 4
17 May Patchy rain possible
Patchy rain possible
 16° /6° 4.2 mm 4
18 May Overcast
Overcast
 17° /5° 1.6 mm 5
19 May Patchy rain possible
Patchy rain possible
 15° /6° 6 mm 3
20 May Light rain shower
Light rain shower
 18° /7° 2.5 mm 3
21 May Light rain shower
Light rain shower
 16° /8° 3.4 mm 4
22 May Light rain shower
Light rain shower
 16° /7° 4.4 mm 3
23 May Patchy rain possible
Patchy rain possible
 14° /6° 0.9 mm 3
24 May Patchy rain possible
Patchy rain possible
 16° /9° 5.6 mm 4
25 May Light rain shower
Light rain shower
 16° /7° 3.2 mm 4
26 May Light rain shower
Light rain shower
 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 shower
Light rain shower
 15° /9° 5.2 mm 4
30 May Patchy rain possible
Patchy rain possible
 15° /9° 2.5 mm 3
31 May Overcast
Overcast
 16° /7° 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.
Change Month
‹
›

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 14° and lows near 6°, 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 88.7 mm spread over approximately 23 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 17 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 23 rainy days in May with a total of 88.7 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
More Locations

Quick links

More Ulster weather pages
You are here
Location coordinates Where is Ulster?

Get accurate weather forecasts for Ulster, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for Ulster.

Found a mistake?
We appreciate your attention to details. Tell us here.