July weather forecast
Belfast, United Kingdom

The Northern Ireland City Hall located in Belfast, United Kingdom
The Northern Ireland City Hall located in Belfast, United Kingdom

Weather in July

July is an enjoyable summer month in Belfast, United Kingdom, with temperature in the range of an average low of 11.2°C (52.2°F) and an average high of 16.9°C (62.4°F).

Temperature

July is the warmest month, with an average high-temperature of 16.9°C (62.4°F) and an average low-temperature of 11.2°C (52.2°F).

Humidity

In July, the average relative humidity in Belfast is 87%.

Rainfall

In July, the rain falls for 21.7 days. Throughout July, 60mm (2.36") of precipitation is accumulated. Throughout the year, in Belfast, United Kingdom, there are 220.2 rainfall days, and 626mm (24.65") of precipitation is accumulated.

Snowfall

In Belfast, snow does not fall in April through October.

Sea temperature

In Belfast, United Kingdom, the average water temperature is 13.6°C (56.5°F).
Note: Swimming in 13.6°C (56.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in July is 16h and 38min.
On the first day of the month, sunrise is at 4:52 am and sunset at 10:03 pm. On the last day of July, in Belfast, sunrise is at 5:32 am and sunset at 9:27 pm BST.

Sunshine

In July, the average sunshine is 6.6h.

UV index

May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in July transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Belfast?

The warmest month is July, with an average high-temperature of 16.9°C (62.4°F) and an average low-temperature of 11.2°C (52.2°F).

What is the temperature in July in Belfast?

The average high-temperature, in July, is 16.9°C (62.4°F), while the average low-temperature is 11.2°C (52.2°F).

What is the average humidity in July in Belfast?

The average relative humidity in July in Belfast is 87%.

How much does it rain in Belfast in July?

In Belfast, United Kingdom, in July, it is raining for 21.7 days, with typically 60mm (2.36") of accumulated precipitation.

When it does not snow in Belfast?

In Belfast, United Kingdom, snow does not fall in April through October.

What is the sea water temperature in July in Belfast?

In Belfast, United Kingdom, in July, the average water temperature is 13.6°C (56.5°F). Swimming in 13.6°C (56.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Belfast have in July?

In July, the average day length in Belfast is 16h and 38min.

When is the sunrise / sunset in July in Belfast?

On the first day of July, sunrise is at 4:52 am and sunset at 10:03 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 9:27 pm BST.

How long on average sun shines in July in Belfast?

In July, the average sunshine duration in Belfast is 6.6h.

What is the month with the highest UV index in Belfast?

The months with the highest UV index in Belfast are May through August, with an average maximum UV index of 4.

What is the UV index reading in July in Belfast?

In Belfast, the average daily maximum UV index in July is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Belfast, United Kingdom

Average temperature in July - Belfast, United Kingdom
  • Average high temperature in July: 16.9°C

The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in July: 11.2°C

The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

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Average pressure in July
Belfast, United Kingdom

Average pressure in July - Belfast, United Kingdom
  • Average pressure in July: 1013.2mbar

The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).

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Average wind speed in July
Belfast, United Kingdom

Average wind speed in July - Belfast, United Kingdom
  • Average wind speed in July: 13.7km/h

The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).

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Average humidity in July
Belfast, United Kingdom

Average humidity in July - Belfast, United Kingdom
  • Average humidity in July: 87%

The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).

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Average rainfall in July
Belfast, United Kingdom

Average rainfall in July - Belfast, United Kingdom
  • Average rainfall in July: 60mm

The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).

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Average rainfall days in July
Belfast, United Kingdom

Average rainfall days in July - Belfast, United Kingdom
  • Average rainfall days in July: 21.7 days

The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).

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Average snowfall in July
Belfast, United Kingdom

Average snowfall in July - Belfast, United Kingdom
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in July
Belfast, United Kingdom

Average snowfall days in July - Belfast, United Kingdom
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in July
Belfast, United Kingdom

Average sea temperature in July - Belfast, United Kingdom
  • Average sea temperature in July: 13.6°C

The best month for swimming (with the highest average sea temperature) is September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8°C).

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Average daylight in July /
Average sunshine in July
Belfast, United Kingdom

Average daylight in July / Average sunshine in July - Belfast, United Kingdom
  • Average daylight in July: 16h and 38min

The month with the longest days is June (Average daylight: 17h and 11min).
The month with the shortest days is December (Average daylight: 7h and 22min).

  • Average sunshine in July: 6h and 36min

The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in July
Belfast, United Kingdom

Average sunshine days in July - Belfast, United Kingdom
  • Average sunshine days in July: 6.6 days

The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).

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Average UV index in July
Belfast, United Kingdom

Average UV index in July - Belfast, United Kingdom
  • Average UV index in July: 4

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in July
Belfast, United Kingdom

Average cloud cover in July - Belfast, United Kingdom
  • Average cloud cover in July: 60

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).

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Average visibility in July
Belfast, United Kingdom

Average visibility in July - Belfast, United Kingdom
  • Average visibility in July: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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