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 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
August
Weather in August
Temperature
Gretna Green, United Kingdom, marks the arrival of August with an average high-temperature of a still comfortable 17.1°C (62.8°F), hardly different from July's 17.5°C (63.5°F). August witnesses an average low-temperature hovering around a cool 10.3°C (50.5°F).Humidity
The average relative humidity in August is 87%.Rainfall
In August, in Gretna Green, the rain falls for 19.9 days. Throughout August, 51mm (2.01") of precipitation is accumulated. Throughout the year, there are 204.6 rainfall days, and 478mm (18.82") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In Gretna Green, the average length of the day in August is 14h and 55min.On the first day of the month, sunrise is at 5:22 am and sunset at 9:14 pm. On the last day of August, sunrise is at 6:17 am and sunset at 8:06 pm BST.
Sunshine
In Gretna Green, the average sunshine in August is 6.7h.UV index
The months with the highest UV index 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 exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 in August translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Gretna Green?
What is the average humidity in August in Gretna Green?
How much does it rain in Gretna Green in August?
When it does not snow in Gretna Green?
How many hours of daylight does Gretna Green have in August?
What time are sunrise and sunset in August in Gretna Green?
How long on average sun shines in August in Gretna Green?
What are the months with the highest UV index in Gretna Green?
What is the UV index intensity in August in Gretna Green?
Average temperature in August
Gretna Green, United Kingdom
- Average high temperature in August: 17.1°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in August: 10.3°C
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in August
Gretna Green, United Kingdom
- Average pressure in August: 1012.1mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in August
Gretna Green, United Kingdom
- Average wind speed in August: 13.6km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in August
Gretna Green, United Kingdom
- Average humidity in August: 87%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (82%).
Average rainfall in August
Gretna Green, United Kingdom
- Average rainfall in August: 51mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in August
Gretna Green, United Kingdom
- Average rainfall days in August: 19.9 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is April (13.3 days).
Average snowfall in August
Gretna Green, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Gretna Green, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Gretna Green, United Kingdom
- Average daylight in August: 14h and 5min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in August: 6h and 4min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Gretna Green, United Kingdom
- Average sunshine days in August: 7.4 days
The month with the most sunshine days is April (13 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in August
Gretna Green, United Kingdom
- Average UV index in August: 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).
Average cloud cover in August
Gretna Green, United Kingdom
- Average cloud cover in August: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in August
Gretna Green, United Kingdom
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
