August weather forecastStromness, United Kingdom
August
Weather in August
The last month of the summer, August, is also a moderate month in Stromness, United Kingdom, with an average temperature fluctuating between 12.4°C (54.3°F) and 14.2°C (57.6°F).Temperature
Stromness reaches its highest average temperatures in August, measuring 14.2°C (57.6°F) at the peak and 12.4°C (54.3°F) at the lowest.Humidity
In Stromness, the average relative humidity in August is 84%.Rainfall
In August, the rain falls for 18.8 days. Throughout August, 45mm (1.77") of precipitation is accumulated. Throughout the year, in Stromness, there are 233.4 rainfall days, and 572mm (22.52") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Stromness.Sea temperature
With an average sea temperature of 13.3°C (55.9°F), August is the month with the warmest seawater.Note: It is advised against swimming in 13.3°C (55.9°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
In August, the average length of the day is 15h and 25min.On the first day of the month, sunrise is at 5:02 am and sunset at 9:36 pm. On the last day of August, in Stromness, sunrise is at 6:10 am and sunset at 8:16 pm BST.
Sunshine
In August, the average sunshine is 7.1h.UV index
In Stromness, the average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during August translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Stromness, United Kingdom
- Average high temperature in August: 14.2°C
The warmest month (with the highest average high temperature) is August (14.2°C).
The month with the lowest average high temperature is February (7°C).
- Average low temperature in August: 12.4°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (5.5°C).
Average pressure in August
Stromness, United Kingdom
- Average pressure in August: 1009.7mbar
The months with the highest atmospheric pressure are May and June (1014.4mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in August
Stromness, United Kingdom
- Average wind speed in August: 24km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest months (with the lowest average wind speed) are June and July (22.5km/h).
Average humidity in August
Stromness, United Kingdom
- Average humidity in August: 84%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (75%).
Average rainfall in August
Stromness, United Kingdom
- Average rainfall in August: 45mm
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in August
Stromness, United Kingdom
- Average rainfall days in August: 18.8 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (15.5 days).
Average snowfall in August
Stromness, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Stromness, United Kingdom
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are February and March (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Stromness, United Kingdom
- Average sea temperature in August: 13.3°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.3°C).
Average daylight in August /
Average sunshine in August
Stromness, United Kingdom
- Average daylight in August: 15h and 24min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in August: 7h and 6min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in August
Stromness, United Kingdom
- Average sunshine days in August: 10.2 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in August
Stromness, United Kingdom
- Average UV index in August: 3
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in August
Stromness, United Kingdom
- Average cloud cover in August: 58
The months with the most cloud cover are January and March (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in August
Stromness, United Kingdom
- Average visibility in August: 10km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).





