Belfast Weather in July

July in Belfast brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 90 mm (3.5 in), so pack an umbrella.

Rainfall in Belfast in July

Historically, approximately 17 days this month are expected to have rain, averaging 90 mm (3.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Belfast in July

Belfast has perfect weather in July, with days reaching 20°C (68°F) and nights cooling to 12°C (54°F). The month of July belongs to the summer season. Conditions are often most pleasant around the middle of the day. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it has the peak temperatures of the year.

Sunshine in Belfast in July

The area experiences a moderate amount of sunshine, with approximately 148 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Belfast in July

Wind speeds average 4 m/s (8 knots) during July. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in July

At 12°C (54°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit Belfast.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Belfast's climate page.

Belfast Temperature in July

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Water Temperature 12°C (54°F)  

Chance of Rain 57%  

Precipitation 90 mm (3.5 in)  

Rainy days 17 days  

Humidity 89%  

Windspeed 4 m/s (8 knots)  

Sunshine 148 hours  

Percentage Sunshine 26%  

What to Wear in Belfast in July

Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 12°C (54°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Belfast in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Belfast's climate page.

More climate data for Belfast

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Belfast climate overview or explore weather in Ireland.