June weather forecast
Belfast, United Kingdom

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

Weather in June

June in Belfast introduces the summer with the warmest temperature trend until this point. This month witnesses the longest daylight duration of the year, welcoming the summer solstice. The significant increase in temperature is also reflected in sea, making the coastal areas delightful for visitors. However, June introduces a surprising influx of rainfall, registering a considerable 64mm (2.52") throughout the month. Thus, a typical June experience in Belfast comprises balmy days with extensive sunlight and surprising rain showers.

Temperature

Belfast sees the arrival of June with an average high-temperature of a still refreshing 15.8°C (60.4°F), indicating a subtle variation from May. Throughout the nights in June, Belfast experiences an average low-temperature of 9.5°C (49.1°F).

Humidity

In Belfast, the average relative humidity in June 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, during the entire year, the rain falls for 220.2 days and collects up to 626mm (24.65") of precipitation.

Snowfall

April through October are months without snowfall.

Sea temperature

In Belfast, United Kingdom, in June, the average water temperature is 11.8°C (53.2°F).
Note: Beware of 11.8°C (53.2°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.

Daylight

The month with the longest days in Belfast, United Kingdom, is June, with an average of 17h and 12min of daylight.
On the first day of June in Belfast, United Kingdom, sunrise is at 4:54 am and sunset at 9:49 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 10:03 pm BST.

Sunshine

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

UV index

The months with the highest UV index in Belfast are May through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In June, the maximum UV index of 4 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the temperature in June in Belfast?

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

What is the average humidity in June in Belfast?

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

How many days does it rain in June in Belfast?

In Belfast, United Kingdom, in June, it is raining for 19.8 days, with typically 64mm (2.52") of accumulated precipitation.

When it does not snow in Belfast?

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

How cold is the water in June in Belfast?

In June, the average sea temperature in Belfast 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 in Belfast, with an average of 17h and 12min of daylight.

How many hours of daylight does Belfast have in June?

In June, the average day length is 17h and 11min.

What time are sunrise and sunset in June in Belfast?

On the first day of June, sunrise is at 4:54 am and sunset at 9:49 pm. On the last day of the month, sunrise is at 4:51 am and sunset at 10:03 pm BST.

What month has the most sunshine in Belfast?

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

How many hours of sunshine does Belfast have in June?

The average sunshine duration in June is 7.3h.

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

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

What is the UV index reading in June in Belfast?

In June, the average daily maximum UV index in Belfast is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
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 1min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in June: 7h and 2min

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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Belfast, United Kingdom

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