Belfast in July usually sees fair weather conditions, with an average daily high temperature of +64°F and roughly 2 sunny days. However, you should prepare for about 20 rainy days with an average precipitation of 74 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+64°F
Avg. max. temperature
+39°F
Min.
+84°F
Max.
74 mm
Total precipitation
78%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
8 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Belfast has OK weather in July.
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Average temperature in Belfast in July
Here are the expected maximum, average and minimum temperatures in Belfast for July based on the historical data.
Last Year
Historical Data
The temperature in July is +64°F on average, with a range between a maximum of +70°F during the day and a minimum of +50°F at night.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +63°F to +64°F.
Is Belfast warm or cold in July?
Belfast is typically mild in July.
Maximum temperatures go up compared to the previous month from +63°F to +64°F. The minimum temperature also goes up from +50°F to +54°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
July is one of the warmest months in Belfast, here is the comparison with other months:
Water temperature in Belfast in July
Water in Belfast in July is Cold. It varies from +54°F to +60°F, with an average of +57°F.This is almost similar to the air temperature, which averages +64°F.
The water temperature in July is one of the warmest of the entire year:
The warmest water temperatures in Belfast are reached in September, when the average sea temperature rises to +58°F. The coldest water temperatures are in March, with an average of +47°F.
Can you swim in Belfast in July?
We would not recommend swimming in Belfast in July, the water is very cold (+57°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Belfast in July
Belfast weather looks like this, on average, in July and the surrounding months.
June
July
August
Avg. temperature
+63°F
+64°F
+64°F
Min. temperature
+36°F
+39°F
+37°F
Max. temperature
+86°F
+84°F
+84°F
Rainfall
73 mm
74 mm
82 mm
Wind
4 m/s
3 m/s
3 m/s
Avg. water temperature
+53°F
+57°F
+58°F
Humidity
77%
78%
81%
Air pressure
1014 HPa
1013 HPa
1012 HPa
Sunny days
2
2
1
Cloudy days
8
8
9
Rainy days
19
20
21
Snowy days
0
0
0
July weather is still as ok as in June.It’s getting warmer as July arrives. The average maximum temperature goes up from +63°F to +64°F during the day.Prepare for more rain. Average rainfall goes from 73 mm to 74 mm.Humidity rises from 77% to 78%.Winds are calmer in comparison to June, going down from 4 m/s to 3 m/s on average.The amount of sunny days stay about the same, averaging 2 sunny days during the month.
August brings much the same weather, it remains ok.
Wind speed in Belfast in July based on historical data.
Last Year
Historical Data
The average wind speed is 5 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Belfast is gradually decreasing during July, going from 8 m/s to 6 m/s over the course of the month.
Rain
Amount of rainfall in mm during July in Belfast based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in July stands at 68%, leading to total precipitation of around 130 mm. The maximum amount of rainfall per day is around 12 mm, which is considered light rain.July is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how July is compared with other months in the amount of precipitation, total mm:
Belfast wettest month is October, where a typical day has a 61% chance of precipitation and 91 mm of rainfall per day. April, on the other hand, is the driest month with a mere 60% chance of precipitation and 60 mm of rainfall per day.
How was the weather last July in Belfast?
This is the weather in Belfast in July 2023:
1 July
☀️
+63°F
2 July
☀️
+61°F
3 July
☀️
+64°F
4 July
🌧️
+61°F
5 July
☀️
+64°F
6 July
🌧️
+61°F
7 July
☁️
+68°F
8 July
☁️
+70°F
9 July
☁️
+68°F
10 July
🌧️
+62°F
11 July
🌧️
+63°F
12 July
🌧️
+63°F
13 July
☀️
+68°F
14 July
🌧️
+61°F
15 July
🌧️
+66°F
16 July
🌧️
+63°F
17 July
☀️
+66°F
18 July
🌧️
+59°F
19 July
☀️
+64°F
20 July
🌧️
+63°F
21 July
🌧️
+63°F
22 July
🌧️
+62°F
23 July
🌧️
+64°F
24 July
☁️
+62°F
25 July
☁️
+64°F
26 July
🌧️
+64°F
27 July
🌧️
+70°F
28 July
☀️
+68°F
29 July
🌧️
+66°F
30 July
☁️
+64°F
31 July
🌧️
+64°F
In July 2023 Belfast had 8 sunny days, 6 cloudy days, and 17 rainy days. The average maximum temperature was +64°F, with an absolute maximum of +70°F and a minimum of +59°F. The average humidity was 84%, with a maximum of 100% and a minimum of 60%. The average wind speed was 5 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in July?
Climate Change Over the Years
This is how Belfast climate has changed over the last 43 years.
The climate in Belfast in July has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+52°F) and the highest in 1995 (+57°F). The driest year was 2003 with only 711 mm of rainfall, and the wettest year was 2019 with 1255 mm.
FAQ
Frequently asked questions about the weather in Belfast in July:
Is July a good time to visit Belfast?
It’s always a good time to visit Belfast, but the weather is changeable in July, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Belfast in July?
July has mild temperatures in Belfast. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Belfast in July?
Swimming in Belfast in July is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Belfast rainy in July?
Belfast is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Belfast in July?
Usually, it’s not very sunny in Belfast in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in United Kingdom
Check out the weather for other cities in United Kingdom.
For this page, we’ve looked at the typical weather in Belfast, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
