Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August reports an average high-temperature of a mild 15.8°C (60.4°F), slightly varied from July's 16.3°C (61.3°F). August's average low-temperature reading settles at a chilly 9.7°C (49.5°F).Humidity
The months with the highest humidity are January, August through December, with an average relative humidity of 89%.Rainfall
In Helensburgh, in August, during 24 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Helensburgh, during the entire year, the rain falls for 249.9 days and collects up to 1079mm (42.48") of precipitation.Snowfall
May through October are months without snowfall.Sea temperature
August is the month with the warmest seawater in Helensburgh, with an average sea temperature of 13.8°C (56.8°F).Note: Entering waters of 13.8°C (56.8°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
In August, the average length of the day in Helensburgh is 15h and 1min.On the first day of August in Helensburgh, United Kingdom, sunrise is at 5:24 am and sunset at 9:26 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:15 pm BST.
Sunshine
In Helensburgh, the average sunshine in August is 5.1h.UV index
In Helensburgh, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 3 in August suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the usual temperature for Helensburgh in August?
What are the most humid months in Helensburgh?
What is the average humidity in August in Helensburgh?
How many days does it rain in August in Helensburgh?
When it does not snow in Helensburgh?
What month is the sea warmest in Helensburgh?
What is the water temperature in August in Helensburgh?
How many hours of daylight does Helensburgh have in August?
When is the sunrise / sunset in August in Helensburgh?
How many hours of sunshine does Helensburgh have in August?
How high is the UV index in August in Helensburgh?
Average temperature in August
Helensburgh, United Kingdom
- Average high temperature in August: 15.8°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in August: 9.7°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in August
Helensburgh, United Kingdom
- Average pressure in August: 1011mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in August
Helensburgh, United Kingdom
- Average wind speed in August: 12.7km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest months (with the lowest average wind speed) are June and July (11.9km/h).
Average humidity in August
Helensburgh, United Kingdom
- Average humidity in August: 89%
The months with the highest relative humidity are January, August, September, October, November and December (89%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in August
Helensburgh, United Kingdom
- Average rainfall in August: 112mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is April (48mm).
Average rainfall days in August
Helensburgh, United Kingdom
- Average rainfall days in August: 24 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (17.8 days).
Average snowfall in August
Helensburgh, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Helensburgh, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in August
Helensburgh, United Kingdom
- Average sea temperature in August: 13.8°C
The best month for swimming (with the highest average sea temperature) is August (13.8°C).
The coldest month (with the lowest average sea temperature) is March (7.2°C).
Average daylight in August /
Average sunshine in August
Helensburgh, United Kingdom
- Average daylight in August: 15h and 0min
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 August: 5h and 1min
The month with the most sunshine is June (Average sunshine: 6h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in August
Helensburgh, United Kingdom
- Average sunshine days in August: 5.4 days
The month with the most sunshine days is April (8.8 days).
The months with the least sunshine days are July and August (5.4 days).
Average UV index in August
Helensburgh, United Kingdom
- Average UV index in August: 3
The months with the highest UV index are May and June (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Helensburgh, United Kingdom
- Average cloud cover in August: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in August
Helensburgh, United Kingdom
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May and November (9km).
The months with the lowest visibility are June, July, August, September, October and December (8km).
Helensburgh, United Kingdom
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