August weather forecast
Waterloo, Sierra Leone

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Weather in August

Entering August, Waterloo sees a slight decrement in rainfall, dropping to 391mm (15.39"), yet it remains one of the wettest months. The city experiences the year's highest relative humidity, making the atmosphere feel markedly humid. A gradual reduction in daylight and sunshine hours accompanies increased cloud coverage. Winds seem to pick up speed, albeit not drastically. Transitioning towards the last quarter, expect a steady decline in rainfall in the upcoming month.

Temperature

With an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 23.9°C (75°F), August is the coldest month in Waterloo.

Heat index

The heat index for August is calculated to be a hot 31°C (87.8°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are quite important for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

With an average relative humidity of 86%, August is the most humid month in Waterloo.

Rainfall

August is the month with the most rainfall in Waterloo. Rain falls for 30.2 days and accumulates 391mm (15.39") of precipitation.

Daylight

In August, the average length of the day is 12h and 23min.
On the first day of August, sunrise is at 06:44 and sunset at 19:12. On the last day of the month, sunrise is at 06:44 and sunset at 19:00 GMT.

Sunshine

With an average of 4.8h of sunshine, August has the least sunshine of the year.

UV index

The months with the lowest UV index are July and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 6 in August leads to these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What is the coldest time of year in Waterloo?

August, with average temperatures reaching a high of 27.3°C (81.1°F) and a low of 23.9°C (75°F), is the coldest month.

What is the usual temperature for Waterloo in August?

During August, Waterloo experiences an average high-temperature of 27.3°C (81.1°F) and a low-temperature of 23.9°C (75°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 31°C (87.8°F).

What is the most humid month in Waterloo?

August is the most humid month, with an average relative humidity of 86%.

What is the average humidity in August in Waterloo?

In August, the average relative humidity in Waterloo is 86%.

What is the rainiest month in Waterloo?

The month with the most rainfall is August, when the rain falls for 30.2 days and typically aggregates up to 391mm (15.39") of precipitation.

How much does it rain in Waterloo in August?

In Waterloo, in August, it is raining for 30.2 days, with typically 391mm (15.39") of accumulated precipitation.

How many hours of daylight does Waterloo have in August?

In August, the average day length in Waterloo is 12h and 23min.

When is the sunrise / sunset in August in Waterloo?

On the first day of August, sunrise is at 06:44 and sunset at 19:12. On the last day of the month, sunrise is at 06:44 and sunset at 19:00 GMT.

What is the month with the least sunshine in Waterloo?

With an average of 4.8h of sunshine, August has the least sunshine of the year in Waterloo.

How long on average sun shines in August in Waterloo?

In August, the average sunshine duration in Waterloo, Sierra Leone, is 4.8h.

When is the lowest UV index in Waterloo?

July and August, with an average maximum UV index of 6, are months with the lowest UV index in Waterloo, Sierra Leone.

How high is the UV index in August in Waterloo?

The average daily maximum UV index in August in Waterloo, Sierra Leone, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in August
Waterloo, Sierra Leone

Average temperature in August - Waterloo, Sierra Leone
  • Average high temperature in August: 27.3°C

The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).

  • Average low temperature in August: 23.9°C

The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).

Average pressure in August
Waterloo, Sierra Leone

Average pressure in August - Waterloo, Sierra Leone
  • Average pressure in August: 1013.4mbar

The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).

Average wind speed in August
Waterloo, Sierra Leone

Average wind speed in August - Waterloo, Sierra Leone
  • Average wind speed in August: 12km/h

The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).

Average humidity in August
Waterloo, Sierra Leone

Average humidity in August - Waterloo, Sierra Leone
  • Average humidity in August: 86%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).

Average rainfall in August
Waterloo, Sierra Leone

Average rainfall in August - Waterloo, Sierra Leone
  • Average rainfall in August: 391mm

The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).

Average rainfall days in August
Waterloo, Sierra Leone

Average rainfall days in August - Waterloo, Sierra Leone
  • Average rainfall days in August: 30.2 days

The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).

Average daylight in August /
Average sunshine in August
Waterloo, Sierra Leone

Average daylight in August / Average sunshine in August - Waterloo, Sierra Leone
  • Average daylight in August: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in August: 4h and 5min

The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).

Average sunshine days in August
Waterloo, Sierra Leone

Average sunshine days in August - Waterloo, Sierra Leone
  • Average sunshine days in August: 0.5 days

The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).

Average UV index in August
Waterloo, Sierra Leone

Average UV index in August - Waterloo, Sierra Leone
  • Average UV index in August: 6

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

Average cloud cover in August
Waterloo, Sierra Leone

Average cloud cover in August - Waterloo, Sierra Leone
  • Average cloud cover in August: 67

The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).

Average visibility in August
Waterloo, Sierra Leone

Average visibility in August - Waterloo, Sierra Leone
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).

Waterloo, Sierra Leone

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