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 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
The shift into August is characterized by a subtle rise in the average high-temperature, transitioning from July's enjoyable 17.7°C (63.9°F) to a pleasant 21.3°C (70.3°F). The nighttime temperature in Grasmere during August displays a significant divergence from daily peaks, averaging at a chilly 8.4°C (47.1°F).Humidity
In August, the average relative humidity in Grasmere is 36%.Rainfall
Months with rainfall are January through June, August through December. August is the first month it rains in Grasmere. Throughout August, in the average 0.8 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 97.6 rainfall days, and 377mm (14.84") of precipitation is accumulated.Daylight
In August, the average length of the day is 11h and 13min.On the first day of the month, sunrise is at 06:47 and sunset at 17:42. On the last day of August, sunrise is at 06:21 and sunset at 17:55 SAST.
Sunshine
The month with the least sunshine in Grasmere is August, with an average of 7.4h of sunshine.UV index
In Grasmere, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during August leads to these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Grasmere in August?
What is the average humidity in August in Grasmere?
When does it start to rain in Grasmere?
What is the average length of the day in August in Grasmere?
When are sunrise and sunset in August in Grasmere?
What is the month with the least sunshine in Grasmere?
How long on average sun shines in August in Grasmere?
How high is the UV index in August in Grasmere?
Average temperature in August
Grasmere, South Africa
- Average high temperature in August: 21.3°C
The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (17.7°C).
- Average low temperature in August: 8.4°C
The months with the highest average low temperature are January and December (16.3°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).
Average pressure in August
Grasmere, South Africa
- Average pressure in August: 1021.4mbar
The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in August
Grasmere, South Africa
- Average wind speed in August: 11.2km/h
The windiest month (with the highest average wind speed) is November (12km/h).
The calmest month (with the lowest average wind speed) is May (7.9km/h).
Average humidity in August
Grasmere, South Africa
- Average humidity in August: 36%
The months with the highest relative humidity are January and February (63%).
The month with the lowest relative humidity is September (33%).
Average rainfall in August
Grasmere, South Africa
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in August
Grasmere, South Africa
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is January (17.8 days).
The months with the least rainy days are July and August (0.8 days).
Average daylight in August /
Average sunshine in August
Grasmere, South Africa
- Average daylight in August: 11h and 1min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in August: 7h and 2min
The month with the most sunshine is October (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in August
Grasmere, South Africa
- Average sunshine days in August: 29.9 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in August
Grasmere, South Africa
- Average UV index in August: 5
The months with the highest UV index are January, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in August
Grasmere, South Africa
- Average cloud cover in August: 5
The month with the most cloud cover is January (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Grasmere, South Africa
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Grasmere, South Africa
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