Our verdict
The best time to visit Emerald Isle is November
The warmest month of the year in Emerald Isle is July, where the average temperature gets to around 29℃ (85℉), but temperatures can reach as high as 30℃ (87℉) on the hottest days in summer. In the winter, temperatures can get down to -14℃ (7℉) around January.
If you want to get the most out of your time visiting Emerald Isle, or you’re just afraid of the dark, the days in August are usually the longest between sunrise and sunset. March sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in June instead.
Keep reading to find out when the best times to travel to Emerald Isle are for whatever trip you’re planning. By the time you finish, you’ll have all the info you need, and you’ll be ready to start booking. Don’t know where to look or who to book with? Don’t stress! We’ve hand-picked our favourite online travel tools we use, know and love so you can rest assured you’re in safe hands. Happy reading!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Emerald Isle seasons
Before you continue, it’s important to know when the seasons are in Emerald Isle as they might be different to yours depending on where in the world you’re travelling from. Emerald Isle is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Emerald Isle
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Emerald Isle for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Emerald Isle climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Emerald Isle for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Emerald Isle in January
- Average temperature: -4℃ (25℉)
- Average high temperature: 0℃ (33℉)
- Average low temperature: -8℃ (18℉)
- Average humidity: 85%
- Average sunny days: 16 days
- Average rainfall: 48mm (2") over 8 days
- Average snow days: 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in February
- Average temperature: -2℃ (29℉)
- Average high temperature: 2℃ (36℉)
- Average low temperature: -5℃ (22℉)
- Average humidity: 80%
- Average sunny days: 13 days
- Average rainfall: 49mm (2") over 9 days
- Average snow days: 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in March
- Average temperature: 3℃ (37℉)
- Average high temperature: 7℃ (45℉)
- Average low temperature: -1℃ (30℉)
- Average humidity: 71%
- Average sunny days: 14 days
- Average rainfall: 50mm (2") over 13 days
- Average snow days: 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in April
- Average temperature: 6℃ (43℉)
- Average high temperature: 11℃ (52℉)
- Average low temperature: 1℃ (35℉)
- Average humidity: 61%
- Average sunny days: 14 days
- Average rainfall: 48mm (2") over 13 days
- Average snow days: 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in May
- Average temperature: 11℃ (52℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 5℃ (42℉)
- Average humidity: 51%
- Average sunny days: 16 days
- Average rainfall: 29mm (1") over 12 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in May, make sure you pack a warm jacket or coat.
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Emerald Isle in June
- Average temperature: 17℃ (63℉)
- Average high temperature: 24℃ (76℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 40%
- Average sunny days: 22 days
- Average rainfall: 11mm (0") over 6 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in June, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
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Emerald Isle in July
- Average temperature: 22℃ (72℉)
- Average high temperature: 29℃ (85℉)
- Average low temperature: 15℃ (60℉)
- Average humidity: 38%
- Average sunny days: 19 days
- Average rainfall: 17mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Emerald Isle in August
- Average temperature: 21℃ (69℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 39%
- Average sunny days: 17 days
- Average rainfall: 19mm (1") over 9 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Emerald Isle in September
- Average temperature: 16℃ (61℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 10℃ (51℉)
- Average humidity: 43%
- Average sunny days: 19 days
- Average rainfall: 24mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in September, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
Emerald Isle in October
- Average temperature: 8℃ (47℉)
- Average high temperature: 14℃ (57℉)
- Average low temperature: 4℃ (39℉)
- Average humidity: 53%
- Average sunny days: 20 days
- Average rainfall: 30mm (1") over 8 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in October, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in November
- Average temperature: 2℃ (36℉)
- Average high temperature: 7℃ (45℉)
- Average low temperature: -2℃ (29℉)
- Average humidity: 64%
- Average sunny days: 19 days
- Average rainfall: 34mm (1") over 7 days
- Average snow days: 5 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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Emerald Isle in December
- Average temperature: -4℃ (26℉)
- Average high temperature: 1℃ (33℉)
- Average low temperature: -7℃ (19℉)
- Average humidity: 80%
- Average sunny days: 16 days
- Average rainfall: 47mm (2") over 10 days
- Average snow days: 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Emerald Isle in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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