August weather forecast
Grand Valley Estate, Swaziland

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Weather in August

August in Grand Valley Estate presents the preliminary signs of spring, showcased by a noticeable rise in temperatures and the beginning of a gradual increase in rainfall. The UV index sustains a constant figure, but a reduction in pressure levels signals the changing seasons. The overall weather remains comfortable, with the increased wind gust speed of 12.1km/h (7.5mph) adding an exciting element to the otherwise stable conditions. As August makes way for September, an increased presence of clouds forecasts the immediate rainy season.

Temperature

August in Grand Valley Estate observes an average high-temperature of a moderately hot 23.8°C (74.8°F), marking an insignificant difference from July's 21.4°C (70.5°F). In Grand Valley Estate, the nighttime temperature registers a significant drop from daytime peaks to an average of 11.1°C (52°F) in August.

Humidity

The least humid month is August, with an average relative humidity of 57%.

Rainfall

In Grand Valley Estate, during August, the rain falls for 6.1 days and regularly aggregates up to 9mm (0.35") of precipitation. In Grand Valley Estate, during the entire year, the rain falls for 156.8 days and collects up to 549mm (21.61") of precipitation.

Daylight

In August, the average length of the day is 11h and 11min.
On the first day of the month, sunrise is at 06:34 and sunset at 17:27. On the last day of August, sunrise is at 06:08 and sunset at 17:41 SAST.

Sunshine

In Grand Valley Estate, the average sunshine in August is 7h.

UV index

The months with the lowest UV index are April through October, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 5 during August, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What is the usual temperature for Grand Valley Estate in August?

The high-temperature during August is 23.8°C (74.8°F) and the low-temperature is 11.1°C (52°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in February is computed to be 31°C (87.8°F).

What is the least humid month?

With an average relative humidity of 57%, August is the least humid month.

What is the average humidity in August in Grand Valley Estate?

The average relative humidity in August is 57%.

How much does it rain in August?

In Grand Valley Estate, in August, it is raining for 6.1 days, with typically 9mm (0.35") of accumulated precipitation.

How many hours of daylight does Grand Valley Estate have in August?

In Grand Valley Estate, the average day length in August is 11h and 11min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 06:34 and sunset at 17:27. On the last day of the month, sunrise is at 06:08 and sunset at 17:41 SAST.

How many hours of sunshine does Grand Valley Estate have in August?

In Grand Valley Estate, the average sunshine duration in August is 7h.

What are the months with the lowest UV index?

The months with the lowest UV index are April through October, with an average maximum UV index of 5.

What is the UV index reading in August?

The average daily maximum UV index in August in Grand Valley Estate is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Grand Valley Estate, Swaziland

Average temperature in August - Grand Valley Estate, Swaziland
  • Average high temperature in August: 23.8°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 (21.4°C).

  • Average low temperature in August: 11.1°C

The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).

Average pressure in August
Grand Valley Estate, Swaziland

Average pressure in August - Grand Valley Estate, Swaziland
  • Average pressure in August: 1021.4mbar

The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).

Average wind speed in August
Grand Valley Estate, Swaziland

Average wind speed in August - Grand Valley Estate, Swaziland
  • Average wind speed in August: 7.6km/h

The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).

Average humidity in August
Grand Valley Estate, Swaziland

Average humidity in August - Grand Valley Estate, Swaziland
  • Average humidity in August: 57%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).

Average rainfall in August
Grand Valley Estate, Swaziland

Average rainfall in August - Grand Valley Estate, Swaziland
  • Average rainfall in August: 9mm

The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in August
Grand Valley Estate, Swaziland

Average rainfall days in August - Grand Valley Estate, Swaziland
  • Average rainfall days in August: 6.1 days

The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).

Average daylight in August /
Average sunshine in August
Grand Valley Estate, Swaziland

Average daylight in August / Average sunshine in August - Grand Valley Estate, Swaziland
  • 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 0min

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).

Average sunshine days in August
Grand Valley Estate, Swaziland

Average sunshine days in August - Grand Valley Estate, Swaziland
  • Average sunshine days in August: 23 days

The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).

Average UV index in August
Grand Valley Estate, Swaziland

Average UV index in August - Grand Valley Estate, Swaziland
  • Average UV index in August: 5

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).

Average cloud cover in August
Grand Valley Estate, Swaziland

Average cloud cover in August - Grand Valley Estate, Swaziland
  • Average cloud cover in August: 18

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in August
Grand Valley Estate, Swaziland

Average visibility in August - Grand Valley Estate, Swaziland
  • Average visibility in August: 10km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and March (7km).

Grand Valley Estate, Swaziland

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