June weather forecast
Dumbarton, United Kingdom

June

Weather in June

The first month of the summer, June, is a refreshing month in Dumbarton, United Kingdom, with an average temperature fluctuating between 8.1°C (46.6°F) and 15.5°C (59.9°F).

Temperature

The average high-temperature during June is a moderate 15.5°C (59.9°F), almost matching the conditions of the preceding month. Dumbarton records an average nighttime low of 8.1°C (46.6°F) in June.

Humidity

In Dumbarton, the average relative humidity in June is 86%.

Rainfall

In June, in Dumbarton, the rain falls for 20.8 days. Throughout June, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Dumbarton, there are 242.3 rainfall days, and 788mm (31.02") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Dumbarton.

Sea temperature

In Dumbarton, United Kingdom, in June, the average water temperature is 11.8°C (53.2°F).
Note: It is risky to swim in 11.8°C (53.2°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.

Daylight

The month with the longest days is June, with an average of 17h and 30min of daylight.
On the first day of June, sunrise is at 4:39 am and sunset at 9:52 pm. On the last day of the month, sunrise is at 4:36 am and sunset at 10:07 pm BST.

Sunshine

With an average of 7.1h of sunshine, June has the most sunshine of the year.

UV index

May through July, with an average maximum UV index of 4, are months with the highest UV index in Dumbarton. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in June interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the usual temperature for Dumbarton in June?
The average high-temperature, in June, in Dumbarton, is 15.5°C (59.9°F), while the average low-temperature is 8.1°C (46.6°F).
What is the average humidity in June in Dumbarton?
In June, the average relative humidity is 86%.
How much does it rain in Dumbarton in June?
In Dumbarton, United Kingdom, during June, the rain falls for 20.8 days and regularly aggregates up to 55mm (2.17") of precipitation.
When it does not snow in Dumbarton?
In Dumbarton, snow does not fall in May through October.
What is the sea water temperature in June in Dumbarton?
In Dumbarton, in June, the average water temperature is 11.8°C (53.2°F). 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.
When are the longest days in Dumbarton?
With an average of 17h and 30min of daylight, June has the longest days of the year in Dumbarton.
How many hours of daylight does Dumbarton have in June?
In Dumbarton, United Kingdom, the average day length in June is 17h and 30min.
When are sunrise and sunset in June in Dumbarton?
In June, on the first day of the month, sunrise is at 4:39 am and sunset at 9:52 pm. On the last day of the month, in Dumbarton, United Kingdom, sunrise is at 4:36 am and sunset at 10:07 pm BST.
What month has the most sunshine in Dumbarton?
With an average of 7.1h of sunshine, June has the most sunshine of the year in Dumbarton, United Kingdom.
How long on average sun shines in June in Dumbarton?
In June, the average sunshine duration in Dumbarton is 7.1h.
What is the month with the highest UV index in Dumbarton?
May through July, with an average maximum UV index of 4, are months with the highest UV index.
How high is the UV index in June in Dumbarton?
In Dumbarton, United Kingdom, the average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in June - Dumbarton, United Kingdom
Average temperature in June
Dumbarton, United Kingdom
  • Average high temperature in June: 15.5°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in June: 8.1°C

The month with the highest average low temperature is July (10°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).

Average pressure in June - Dumbarton, United Kingdom
Average pressure in June
Dumbarton, United Kingdom
  • Average pressure in June: 1014.6mbar

The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.7mbar).

Average wind speed in June - Dumbarton, United Kingdom
Average wind speed in June
Dumbarton, United Kingdom
  • Average wind speed in June: 12.1km/h

The windiest month (with the highest average wind speed) is January (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).

Average humidity in June - Dumbarton, United Kingdom
Average humidity in June
Dumbarton, United Kingdom
  • Average humidity in June: 86%

The months with the highest relative humidity are November and December (90%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in June - Dumbarton, United Kingdom
Average rainfall in June
Dumbarton, United Kingdom
  • Average rainfall in June: 55mm

The wettest month (with the highest rainfall) is December (88mm).
The driest month (with the least rainfall) is April (37mm).

Average rainfall days in June - Dumbarton, United Kingdom
Average rainfall days in June
Dumbarton, United Kingdom
  • Average rainfall days in June: 20.8 days

The months with the highest number of rainy days are July and August (23 days).
The month with the least rainy days is February (17.3 days).

Average snowfall in June - Dumbarton, United Kingdom
Average snowfall in June
Dumbarton, United Kingdom
  • Average snowfall in June: 0mm

The month with the highest snowfall is February (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in June - Dumbarton, United Kingdom
Average snowfall days in June
Dumbarton, United Kingdom
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in June - Dumbarton, United Kingdom
Average sea temperature in June
Dumbarton, United Kingdom
  • Average sea temperature in June: 11.8°C

The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (7.4°C).

Average daylight in June / Average sunshine in June - Dumbarton, United Kingdom
Average daylight in June /
Average sunshine in June
Dumbarton, United Kingdom
  • Average daylight in June: 17h and 3min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in June: 7h and 1min

The month with the most sunshine is June (Average sunshine: 7h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days in June - Dumbarton, United Kingdom
Average sunshine days in June
Dumbarton, United Kingdom
  • Average sunshine days in June: 6.1 days

The month with the most sunshine days is March (9.4 days).
The month with the least sunshine days is July (5.3 days).

Average UV index in June - Dumbarton, United Kingdom
Average UV index in June
Dumbarton, United Kingdom
  • Average UV index in June: 4

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

Average cloud cover in June - Dumbarton, United Kingdom
Average cloud cover in June
Dumbarton, United Kingdom
  • Average cloud cover in June: 64

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).

Average visibility in June - Dumbarton, United Kingdom
Average visibility in June
Dumbarton, United Kingdom
  • Average visibility in June: 8km

The months with the highest visibility are February, March, April and May (9km).
The months with the lowest visibility are January, June, July, August, September, October, November and December (8km).

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