August weather forecastDumbarton, United Kingdom
August
Weather in August
The last month of the summer, August, is also an enjoyable month in Dumbarton, United Kingdom, with an average temperature varying between 16.2°C (61.2°F) and 9.7°C (49.5°F).Temperature
The average high-temperature during August registers at a still enjoyable 16.2°C (61.2°F), maintaining a close resemblance to the previous month. In Dumbarton, the average low-temperature during the month of August is a chilly 9.7°C (49.5°F).Humidity
In Dumbarton, the average relative humidity in August is 88%.Rainfall
In Dumbarton, during August, the rain falls for 23 days and regularly aggregates up to 83mm (3.27") of precipitation. Throughout the year, in Dumbarton, there are 242.3 rainfall days, and 788mm (31.02") of precipitation is accumulated.Snowfall
In Dumbarton, United Kingdom, snow does not fall in May through October.Sea temperature
With an average sea temperature of 14.3°C (57.7°F), August is the month with the warmest seawater in Dumbarton.Note: Dipping into 14.3°C (57.7°F) below 10°C (50°F) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 13°C (55.4°F) feels cold to the bone.
Daylight
In August, the average length of the day is 15h and 1min.On the first day of August in Dumbarton, sunrise is at 5:23 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:14 pm BST.
Sunshine
In August, the average sunshine is 5.7h.UV index
In August, the average daily maximum UV index in Dumbarton is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dumbarton, United Kingdom
- Average high temperature in August: 16.2°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 August: 9.7°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 August
Dumbarton, United Kingdom
- Average pressure in August: 1011.2mbar
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 August
Dumbarton, United Kingdom
- Average wind speed in August: 12.9km/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 August
Dumbarton, United Kingdom
- Average humidity in August: 88%
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 August
Dumbarton, United Kingdom
- Average rainfall in August: 83mm
The wettest month (with the highest rainfall) is December (88mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in August
Dumbarton, United Kingdom
- Average rainfall days in August: 23 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 August
Dumbarton, United Kingdom
- Average snowfall in August: 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 August
Dumbarton, United Kingdom
- Average snowfall days in August: 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 August
Dumbarton, United Kingdom
- Average sea temperature in August: 14.3°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 August /
Average sunshine in August
Dumbarton, 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 42min
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 August
Dumbarton, United Kingdom
- Average sunshine days in August: 5.4 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 August
Dumbarton, United Kingdom
- Average UV index in August: 3
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 August
Dumbarton, United Kingdom
- Average cloud cover in August: 66
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 August
Dumbarton, United Kingdom
- Average visibility in August: 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).
