June 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 June

The first month of the summer, June, is also a moderate month in Belfast, United Kingdom, with temperature in the range of an average low of 9.5°C (49.1°F) and an average high of 15.8°C (60.4°F).

Temperature

In Belfast, the average high-temperature in June is almost the same as in May - a still moderate 15.8°C (60.4°F). In June, in Belfast, United Kingdom, the average low-temperature is 9.5°C (49.1°F).

Humidity

In June, the average relative humidity in Belfast is 84%.

Rainfall

In Belfast, during June, the rain falls for 19.8 days and regularly aggregates up to 64mm (2.52") of precipitation. In Belfast, United Kingdom, during the entire year, the rain falls for 220.2 days and collects up to 626mm (24.65") of precipitation.

Snowfall

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

Sea temperature

In June, the average sea temperature in Belfast, United Kingdom, is 11.8°C (53.2°F).
Note: Swimming in 11.8°C (53.2°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.

Daylight

The month with the longest days is June, with an average of 17h and 11min of daylight.
On the first day of June in Belfast, sunrise is at 4:54 am and sunset at 9:48 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 10:03 pm BST.

Sunshine

June has the most sunshine of the year in Belfast, with an average of 7.3h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in June interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in June in Belfast?

In Belfast, in June, the average high-temperature is 15.8°C (60.4°F), and the average low-temperature is 9.5°C (49.1°F).

What is the average humidity in June in Belfast?

In Belfast, United Kingdom, the average relative humidity in June is 84%.

How much does it rain in Belfast in June?

In Belfast, during June, the rain falls for 19.8 days and regularly aggregates up to 64mm (2.52") of precipitation.

When it does not snow in Belfast?

April through October are months without snowfall.

What is the sea water temperature in June in Belfast?

In Belfast, United Kingdom, the average seawater temperature in June is 11.8°C (53.2°F). Swimming in 11.8°C (53.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Belfast?

June has the longest days of the year, with an average of 17h and 11min of daylight.

What is the average length of the day in June in Belfast?

In Belfast, United Kingdom, the average day length in June is 17h and 11min.

What time are sunrise and sunset in June in Belfast?

In June, on the first day of the month, sunrise is at 4:54 am and sunset at 9:48 pm. On the last day of the month, in Belfast, United Kingdom, sunrise is at 4:51 am and sunset at 10:03 pm BST.

What month has the most sunshine in Belfast?

With an average of 7.3h of sunshine, June has the most sunshine of the year.

How many hours of sunshine does Belfast have in June?

In June, the average sunshine duration is 7.3h.

When is 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.

How high is the UV index in June in Belfast?

In June, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 June
Belfast, United Kingdom

Average temperature in June - Belfast, United Kingdom
  • Average high temperature in June: 15.8°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 June: 9.5°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 June
Belfast, United Kingdom

Average pressure in June - Belfast, United Kingdom
  • Average pressure in June: 1014.8mbar

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 June
Belfast, United Kingdom

Average wind speed in June - Belfast, United Kingdom
  • Average wind speed in June: 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 June
Belfast, United Kingdom

Average humidity in June - Belfast, United Kingdom
  • Average humidity in June: 84%

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 June
Belfast, United Kingdom

Average rainfall in June - Belfast, United Kingdom
  • Average rainfall in June: 64mm

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 June
Belfast, United Kingdom

Average rainfall days in June - Belfast, United Kingdom
  • Average rainfall days in June: 19.8 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 June
Belfast, United Kingdom

Average snowfall in June - Belfast, United Kingdom
  • Average snowfall in June: 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 June
Belfast, United Kingdom

Average snowfall days in June - Belfast, United Kingdom
  • Average snowfall days in June: 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 June
Belfast, United Kingdom

Average sea temperature in June - Belfast, United Kingdom
  • Average sea temperature in June: 11.8°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 June /
Average sunshine in June
Belfast, United Kingdom

Average daylight in June / Average sunshine in June - Belfast, United Kingdom
  • Average daylight in June: 17h and 11min

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 June: 7h and 18min

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 June
Belfast, United Kingdom

Average sunshine days in June - Belfast, United Kingdom
  • Average sunshine days in June: 7.6 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 June
Belfast, United Kingdom

Average UV index in June - Belfast, United Kingdom
  • Average UV index in June: 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 June
Belfast, United Kingdom

Average cloud cover in June - Belfast, United Kingdom
  • Average cloud cover in June: 59

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 June
Belfast, United Kingdom

Average visibility in June - Belfast, United Kingdom
  • Average visibility in June: 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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