August weather forecast
Callao, VA

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Weather in August

August, the last month of the summer in Callao, is another warm month, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 82.9°F (28.3°C).

Temperature

Callao's August reports an average high-temperature of a still warm 82.9°F (28.3°C), exhibiting a minor difference from July. The low-temperature average for Callao during August stands at an agreeable 71.6°F (22°C).

Heat index

Throughout August, the heat index is calculated to be a tropical 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Callao, the average relative humidity in August is 75%.

Rainfall

In August, the rain falls for 17.1 days. Throughout August, 2.8" (71mm) of precipitation is accumulated. In Callao, during the entire year, the rain falls for 147.5 days and collects up to 20.16" (512mm) of precipitation.

Snowfall

In Callao, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of August in Callao, Virginia, sunrise is at 6:09 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:36 pm EDT.

Sunshine

In Callao, Virginia, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Callao are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August in Callao?

The average high-temperature and low-temperature during August are 82.9°F (28.3°C) and 71.6°F (22°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August in Callao?

In August, the average relative humidity is 75%.

How many days does it rain in August in Callao?

In Callao, in August, it is raining for 17.1 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Callao?

In Callao, snow does not fall in April through October.

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

In August, the average day length in Callao, Virginia, is 13h and 35min.

When are sunrise and sunset in August in Callao?

On the first day of August, sunrise is at 6:09 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:36 pm EDT.

How many hours of sunshine does Callao have in August?

In August, the average sunshine duration in Callao, Virginia, is 10.4h.

What are the months with the highest UV index in Callao?

The months with the highest UV index in Callao are May through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Callao?

The average daily maximum UV index in August in Callao, Virginia, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Callao, VA

Average temperature in August - Callao, VA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in August: 71.6°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in August
Callao, VA

Average pressure in August - Callao, VA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in August
Callao, VA

Average wind speed in August - Callao, VA
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in August
Callao, VA

Average humidity in August - Callao, VA
  • Average humidity in August: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in August
Callao, VA

Average rainfall in August - Callao, VA
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in August
Callao, VA

Average rainfall days in August - Callao, VA
  • Average rainfall days in August: 17.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in August
Callao, VA

Average snowfall in August - Callao, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Callao, VA

Average snowfall days in August - Callao, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Callao, VA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in August
Callao, VA

Average sunshine days in August - Callao, VA
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in August
Callao, VA

Average UV index in August - Callao, VA
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in August
Callao, VA

Average cloud cover in August - Callao, VA
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Callao, VA

Average visibility in August - Callao, VA
  • Average visibility in August: 6mi

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

Callao, Virginia, USA

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