The best times to visit Ballycastle for ideal weather are

June 11th to September 23rd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Ballycastle Travel Info

Weather in Ballycastle

Temperature

Average temperatures in Ballycastle vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 19th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Ballycastle, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 64.9°F (18.3°C) with temperatures rarely dropping below 54.5°F (12.5°C) at night.

Ballycastle Temperatures (Fahrenheit)

Key
High
Average
Low

Ballycastle Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Ballycastle Perceived Temperature (F)

Key
High
Average
Low

Ballycastle Perceived Temperature (C)

Key
High
Average
Low

 

Average Ballycastle Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 47.9 43.8 38.8
Feb 48.6 43.8 39
Mar 51.1 45.5 40
Apr 55.4 48.9 42.8
May 58.1 52.4 46.8
Jun 61.9 56.3 50.6
Jul 63.8 58.7 53.8
Aug 63.1 58.3 53.8
Sep 61.5 56.5 51.5
Oct 57.6 52.8 47.9
Nov 51.9 47.9 43.2
Dec 48.4 44.5 39.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.8 6.6 3.8
Feb 9.2 6.6 3.9
Mar 10.6 7.5 4.4
Apr 13 9.4 6
May 14.5 11.3 8.2
Jun 16.6 13.5 10.3
Jul 17.7 14.8 12.1
Aug 17.3 14.6 12.1
Sep 16.4 13.6 10.8
Oct 14.2 11.6 8.8
Nov 11.1 8.8 6.2
Dec 9.1 6.9 4.3

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ballycastle are June, April, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early June. For example, on the week of June 4th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 5 days of significant precipitation the week of December 3rd.

When can you find snow in Ballycastle? Weather stations report a bit of annual snow likely to be deepest around January, especially close to mid January. The best time to ski (if at all) in Ballycastle is often around around December 17th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Ballycastle.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Ballycastle (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 56% 2.4 5.8
Feb 45% 0 3.7
Mar 35% 0 3.3
Apr 25% 0 2.8
May 37% 0 3.3
Jun 22% 0 2.5
Jul 35% 0 3.6
Aug 40% 0 4.2
Sep 31% 0 3.8
Oct 42% 0 5
Nov 55% 0.8 5.6
Dec 57% 0.6 5.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 56 6.1 14.7
Feb 45 0 9.4
Mar 35 0 8.4
Apr 25 0 7.1
May 37 0 8.4
Jun 22 0 6.4
Jul 35 0 9.1
Aug 40 0 10.7
Sep 31 0 9.7
Oct 42 0 12.7
Nov 55 2 14.2
Dec 57 1.5 14.7

 

Humidity and Wind

Ballycastle has some extremely humid months, and high humidity throughout the year. The least humid month is April (74.7% relative humidity), and the most humid month is February (81.7%).

Wind in Ballycastle is usually stronger than many places. The windiest month is December, followed by January and November. December’s average wind speed of around 14.3 knots (16.4 MPH or 26.4 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid January where average top sustained speeds reach 24.1 knots, which is considered a strong breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Ballycastle.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 14.1 Significant breeze 22.1 Very strong breeze
Feb 11.9 Significant breeze 19.2 Strong breeze
Mar 12.3 Significant breeze 19.4 Very strong breeze
Apr 10.6 Gentle breeze 17.2 Strong breeze
May 11.8 Significant breeze 17.7 Very strong breeze
Jun 10.1 Gentle breeze 15.5 Significant breeze
Jul 10.2 Gentle breeze 15.8 Very strong breeze
Aug 10.8 Gentle breeze 16.6 Significant breeze
Sep 11 Significant breeze 16.8 Very strong breeze
Oct 11.9 Significant breeze 18.6 Strong breeze
Nov 12.4 Significant breeze 19.7 Very strong breeze
Dec 14.3 Significant breeze 22.5 Very strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 81.2%
Feb 81.7%
Mar 76.7%
Apr 74.7%
May 75.4%
Jun 77.5%
Jul 81.4%
Aug 80.5%
Sep 79.7%
Oct 80%
Nov 80.7%
Dec 80.3%

 

Is it Safe to Travel to Ballycastle?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Ireland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 04, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Ballycastle, Ireland is July, followed by August and January. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Ballycastle in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 54.4 in November means 54.4% of the tourists vs. July.

 

 

Overall Ballycastle Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.5°F (16.4°C) and 49.6°F (9.8°C) with warmer temperatures in the later months. Rain is very common with 8 to 11 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see the least precipitation with 7 to 12 days of precipitation per month. June – August is the busiest season for tourism in Ballycastle, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 62.1°F (16.7°C) and 49.3°F (9.6°C), which will feel chilly given the humidity and wind. It rains or snows a great amount: 9 to 17 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Ballycastle to be enjoyable for warm weather travelers. The average high during this season is between 49.6°F (9.8°C) and 47.3°F (8.5°C). On average, it rains or snows a very great amount: 13 to 18 times per month. These times of year are fairly slow with tourists.

 

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