August weather forecast
Callao, Peru

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Weather in August

The weather in Callao, Peru in August signals a slight relenting of winter's grip, as temperatures begin to climb from July's lows. Despite shorter daylight lengths, the sun reappears more frequently, lending a bright tint to the city. Sea temperatures register a subtle rise to 16.3°C (61.3°F), though remaining unfavorable for most water activities. The strength of the wind mildly curtails, yet it sustains a refreshingly crisp environment. Meanwhile, with diminished rainfall, the city regains its predominantly dry ambiance.

Temperature

Callao's coldest weather arrives in August, when temperatures average a high of 19.8°C (67.6°F) and a low of 15.2°C (59.4°F).

Humidity

With an average relative humidity of 77%, August is the least humid month.

Rainfall

The months with the most rainfall in Callao are February, March, June through August, with an average 2mm (0.08") of precipitation.

Sea temperature

In Callao, the average seawater temperature in August is 16.3°C (61.3°F).
Note: For most, swimming in 16.3°C (61.3°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Callao, Peru, the average length of the day in August is 11h and 44min.
On the first day of the month, sunrise is at 06:26 and sunset at 18:02. On the last day of August, in Callao, sunrise is at 06:12 and sunset at 18:04 -05.

Sunshine

In Callao, the average sunshine in August is 9.9h.

UV index

The months with the lowest UV index in Callao are May through November, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What part of the year is the coldest in Callao?

August, with its average high-temperature of 19.8°C (67.6°F) and an average low-temperature of 15.2°C (59.4°F), holds the record as the coldest month in Callao, Peru.

What are the temperatures in Callao in August?

In August, the average high-temperature and low-temperature are 19.8°C (67.6°F) and 15.2°C (59.4°F) respectively.

What is the least humid month in Callao?

With an average relative humidity of 77%, August is the least humid month in Callao, Peru.

What is the average humidity in August in Callao?

In Callao, Peru, the average relative humidity in August is 77%.

What is the wettest month in Callao?

The months with the most rainfall are February, March, June through August, with an average 2mm (0.08") of precipitation.

How much does it rain in Callao in August?

In August, in Callao, the rain falls for 2.1 days. Throughout August, 2mm (0.08") of precipitation is accumulated.

What is the sea temperature in August in Callao?

In August, the average sea temperature in Callao is 16.3°C (61.3°F). Swimming in 16.3°C (61.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in August in Callao?

The average day length in August in Callao is 11h and 44min.

When are sunrise and sunset in August in Callao?

On the first day of August in Callao, sunrise is at 06:26 and sunset at 18:02. On the last day of the month, sunrise is at 06:12 and sunset at 18:04 -05.

How long on average sun shines in August in Callao?

In August, the average sunshine duration is 9.9h.

When is the lowest UV index in Callao?

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

What is the UV index intensity in August in Callao?

The average daily maximum UV index in August in Callao, Peru, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in August
Callao, Peru

Average temperature in August - Callao, Peru
  • Average high temperature in August: 19.8°C

The warmest month (with the highest average high temperature) is February (25.1°C).
The month with the lowest average high temperature is August (19.8°C).

  • Average low temperature in August: 15.2°C

The month with the highest average low temperature is February (21.6°C).
The coldest month (with the lowest average low temperature) is August (15.2°C).

Average pressure in August
Callao, Peru

Average pressure in August - Callao, Peru
  • Average pressure in August: 1016.3mbar

The month with the highest atmospheric pressure is August (1016.3mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).

Average wind speed in August
Callao, Peru

Average wind speed in August - Callao, Peru
  • Average wind speed in August: 13.8km/h

The windiest month (with the highest average wind speed) is July (14.2km/h).
The calmest month (with the lowest average wind speed) is February (11km/h).

Average humidity in August
Callao, Peru

Average humidity in August - Callao, Peru
  • Average humidity in August: 77%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is August (77%).

Average rainfall in August
Callao, Peru

Average rainfall in August - Callao, Peru
  • Average rainfall in August: 2mm

The wettest months (with the highest rainfall) are February, March, June, July and August (2mm).
The driest months (with the least rainfall) are January, April, May, September, October, November and December (1mm).

Average rainfall days in August
Callao, Peru

Average rainfall days in August - Callao, Peru
  • Average rainfall days in August: 2.1 days

The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is November (0.5 days).

Average sea temperature in August
Callao, Peru

Average sea temperature in August - Callao, Peru
  • Average sea temperature in August: 16.3°C

The best month for swimming (with the highest average sea temperature) is March (20.9°C).
The coldest month (with the lowest average sea temperature) is September (15.8°C).

Average daylight in August /
Average sunshine in August
Callao, Peru

Average daylight in August / Average sunshine in August - Callao, Peru
  • Average daylight in August: 11h and 4min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).

Average sunshine days in August
Callao, Peru

Average sunshine days in August - Callao, Peru
  • Average sunshine days in August: 19.2 days

The month with the most sunshine days is December (29.2 days).
The month with the least sunshine days is July (18 days).

Average UV index in August
Callao, Peru

Average UV index in August - Callao, Peru
  • Average UV index in August: 5

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

Average cloud cover in August
Callao, Peru

Average cloud cover in August - Callao, Peru
  • Average cloud cover in August: 11

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in August
Callao, Peru

Average visibility in August - Callao, Peru
  • Average visibility in August: 10km

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

Callao, Peru

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