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Best Time to Visit County Donegal

Complete weather & hotel guide for County Donegal, Ireland

The best time to visit County Donegal is June to September. During this period, average temperatures range from 12°C to 18°C with comfortable conditions for sightseeing. County Donegal has 27 hotels available on HOTEVI.

Quick Answer

Best months to visit: July August September

27 hotels available in County Donegal

Month-by-Month Weather Guide

Month Avg High (°C) Avg Low (°C) Rainfall (mm) Rating
January 7 3 - ★★☆☆☆
February 8 4 - ★★☆☆☆
March 10 4 - ★★☆☆☆
April 11 5 - ★★★☆☆
May 14 8 - ★★★☆☆
June 17 11 - ★★★☆☆
July 18 12 - ★★★★★
August 18 12 - ★★★★★
September 17 11 - ★★★★★
October 13 9 - ★★★☆☆
November 10 6 - ★★☆☆☆
December 7 4 - ★★☆☆☆

Seasonal Overview

Spring
10°C – 14°C

Cool and dry

Moderate
Summer
17°C – 18°C

Mild and pleasant

High season
Autumn
10°C – 17°C

Cool and dry

High season
Winter
7°C – 8°C

Cool and dry

Moderate

Ready to book? Browse 27 hotels in County Donegal

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Frequently Asked Questions

What is the best month to visit County Donegal?

The best months to visit County Donegal are June to September. These months offer the most comfortable weather for sightseeing and outdoor activities.

What is the weather like in County Donegal in May?

May: Avg High 14°C, Avg Low 8°C, Rainfall 0mm.

Is County Donegal worth visiting in Spring?

Spring is a reasonable time to visit County Donegal. While not peak season, you can still enjoy the city with fewer crowds and often lower hotel rates.

Why Book on HOTEVI?

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