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
Rostrevor witnesses its peak temperatures during July and August, when the average high-temperature reaches 16.4°C (61.5°F).Humidity
In August, the average relative humidity in Rostrevor is 87%.Rainfall
The month with the most rainfall is August, when the rain falls for 21.6 days and typically aggregates up to 66mm (2.6") of precipitation.Snowfall
May through October are months without snowfall.Sea temperature
With an average sea temperature of 14.7°C (58.5°F), August is the month with the warmest seawater in Rostrevor.Note: To swim in 14.7°C (58.5°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
In August, the average length of the day is 14h and 49min.On the first day of August, sunrise is at 5:38 am and sunset at 9:23 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:17 pm BST.
Sunshine
In Rostrevor, the average sunshine in August is 6.6h.UV index
The months with the highest UV index in Rostrevor are May, June, August and September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during August translates into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the hottest time of year in Rostrevor?
What is the average August temperature in Rostrevor?
What is the average humidity in August in Rostrevor?
What is the wettest month in Rostrevor?
How much does it rain in Rostrevor in August?
When it does not snow in Rostrevor?
What is the month with the warmest sea water in Rostrevor?
How cold is the water in August in Rostrevor?
What is the average length of the day in August in Rostrevor?
When are sunrise and sunset in August in Rostrevor?
How many hours of sunshine does Rostrevor have in August?
What are the months with the highest UV index in Rostrevor?
What is the UV index intensity in August in Rostrevor?
Average temperature in August
Rostrevor, United Kingdom
- Average high temperature in August: 16.4°C
The warmest months (with the highest average high temperature) are July and August (16.4°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in August: 11.5°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in August
Rostrevor, United Kingdom
- Average pressure in August: 1012.2mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in August
Rostrevor, United Kingdom
- Average wind speed in August: 15.8km/h
The windiest month (with the highest average wind speed) is January (22.8km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in August
Rostrevor, United Kingdom
- Average humidity in August: 87%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are March, April and May (84%).
Average rainfall in August
Rostrevor, United Kingdom
- Average rainfall in August: 66mm
The wettest month (with the highest rainfall) is August (66mm).
The driest months (with the least rainfall) are January and April (35mm).
Average rainfall days in August
Rostrevor, United Kingdom
- Average rainfall days in August: 21.6 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in August
Rostrevor, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Rostrevor, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Rostrevor, United Kingdom
- Average sea temperature in August: 14.7°C
The best month for swimming (with the highest average sea temperature) is August (14.7°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in August /
Average sunshine in August
Rostrevor, United Kingdom
- Average daylight in August: 14h and 5min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in August: 6h and 4min
The month with the most sunshine is June (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Rostrevor, United Kingdom
- Average sunshine days in August: 6.1 days
The months with the most sunshine days are January and November (12 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in August
Rostrevor, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are May, June, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Rostrevor, United Kingdom
- Average cloud cover in August: 58
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in August
Rostrevor, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Rostrevor, United Kingdom
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