Weather in County Donegal for May 2025
In general, the average temperature in County Donegal at the beginning of May is 13.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.4 °C by the end of May.
County Donegal experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
Is May a good time to visit County Donegal? check out the best time to travel to County Donegal page.
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County Donegal in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 14° | 2 16° | 3 14° | 4 11° | |||
5 13° | 6 11° | 7 14° | 8 13° | 9 14° | 10 19° | 11 20° |
12 16° | 13 14° | 14 16° | 15 16° | 16 19° | 17 18° | 18 17° |
19 18° | 20 21° | 21 14° | 22 14° | 23 11° | 24 10° | 25 16° |
26 12° | 27 15° | 28 15° | 29 15° | 30 13° | 31 15° |
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Temperatures trend during May in County Donegal
May weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Patchy rain possible | 14° /4° | 0.3 mm | 3 | |
2 May | Patchy rain possible | 16° /5° | 0.1 mm | 4 | |
3 May | Patchy rain possible | 14° /7° | 0.3 mm | 3 | |
4 May | Light rain | 11° /9° | 10.5 mm | 3 | |
5 May | Patchy rain possible | 13° /8° | 0.4 mm | 3 | |
6 May | Patchy rain possible | 11° /6° | 0.2 mm | 3 | |
7 May | Cloudy | 14° /4° | 0 mm | 3 | |
8 May | Light drizzle | 13° /8° | 0.8 mm | 3 | |
9 May | Patchy rain possible | 14° /8° | 0.3 mm | 3 | |
10 May | Patchy rain possible | 19° /9° | 0.2 mm | 4 | |
11 May | Patchy rain possible | 20° /7° | 0.4 mm | 5 | |
12 May | Light rain shower | 16° /9° | 5.1 mm | 4 | |
13 May | Light rain shower | 14° /7° | 9 mm | 3 | |
14 May | Light rain shower | 16° /8° | 2.2 mm | 4 | |
15 May | Light rain shower | 16° /8° | 0.8 mm | 4 | |
16 May | Light rain shower | 19° /7° | 2.2 mm | 4 | |
17 May | Patchy rain possible | 18° /9° | 0.1 mm | 4 | |
18 May | Overcast | 17° /6° | 0 mm | 4 | |
19 May | Patchy rain possible | 18° /6° | 0 mm | 4 | |
20 May | Light rain shower | 21° /9° | 3.5 mm | 5 | |
21 May | Light rain shower | 14° /10° | 6.9 mm | 3 | |
22 May | Light rain shower | 14° /8° | 4.1 mm | 3 | |
23 May | Patchy rain possible | 11° /6° | 0.6 mm | 3 | |
24 May | Patchy rain possible | 10° /6° | 0.8 mm | 3 | |
25 May | Light rain shower | 16° /8° | 0.6 mm | 4 | |
26 May | Light rain shower | 12° /7° | 4.9 mm | 3 | |
27 May | Light rain shower | 15° /6° | 1.3 mm | 4 | |
28 May | Moderate or heavy rain with thunder | 15° /8° | 8.4 mm | 4 | |
29 May | Light rain shower | 15° /8° | 3.2 mm | 4 | |
30 May | Light rain shower | 13° /8° | 1.9 mm | 3 | |
31 May | Overcast | 15° /6° | 0 mm | 4 | |
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County Donegal in May - FAQ
What to pack to County Donegal in May?
As you prepare for your trip to County Donegal in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in County Donegal, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in County Donegal
UV exposure in County Donegal during May
Quick links
Get accurate weather forecasts for County Donegal, located at latitude 54.654 and longitude -8.111. Stay updated with localized weather information tailored for County Donegal.