August weather forecast
Santa Clara, Portugal

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Weather in August

August, the last month of the summer in Santa Clara, is also a moderately hot month, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 29.2°C (84.6°F).

Temperature

With average temperatures fluctuating between a high of 29.2°C (84.6°F) and a low of 14.4°C (57.9°F), August stands out as the warmest month.

Heat index

In August, the average heat index is appraised at a hot 32°C (89.6°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 65%.

Rainfall

In Santa Clara, in August, it is raining for 2.8 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, in Santa Clara, there are 119.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Daylight

The average length of the day in August in Santa Clara is 13h and 43min.
On the first day of the month, sunrise is at 06:32 and sunset at 20:47. On the last day of August, in Santa Clara, sunrise is at 07:00 and sunset at 20:06 WEST.

Sunshine

In August, the average sunshine in Santa Clara is 11h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What month is the hottest in Santa Clara?

August is the month when Santa Clara sees the average highest temperatures, with a high of 29.2°C (84.6°F) and a low of 14.4°C (57.9°F).

Is it hot in Santa Clara during August?

An average high-temperature, in August, in Santa Clara, is 29.2°C (84.6°F) and the average low-temperature is 14.4°C (57.9°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 32°C (89.6°F).

What is the least humid month in Santa Clara?

August and September, with an average relative humidity of 65%, are the least humid months in Santa Clara, Portugal.

What is the average humidity in August in Santa Clara?

In Santa Clara, Portugal, the average relative humidity in August is 65%.

How many days does it rain in August in Santa Clara?

In Santa Clara, Portugal, in August, during 2.8 rainfall days, 6mm (0.24") of precipitation is typically accumulated.

What is the average length of the day in August in Santa Clara?

In August, the average day length in Santa Clara, Portugal, is 13h and 43min.

When is the sunrise / sunset in August in Santa Clara?

In August, on the first day of the month, sunrise is at 06:32 and sunset at 20:47. On the last day of the month, in Santa Clara, Portugal, sunrise is at 07:00 and sunset at 20:06 WEST.

How many hours of sunshine does Santa Clara have in August?

The average sunshine duration in August in Santa Clara is 11h.

When is the highest UV index in Santa Clara?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Santa Clara, Portugal.

What is the UV index intensity in August in Santa Clara?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk 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 visibility

Average temperature in August
Santa Clara, Portugal

Average temperature in August - Santa Clara, Portugal
  • Average high temperature in August: 29.2°C

The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (12.9°C).

  • Average low temperature in August: 14.4°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

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Average pressure in August
Santa Clara, Portugal

Average pressure in August - Santa Clara, Portugal
  • Average pressure in August: 1016.4mbar

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in August
Santa Clara, Portugal

Average wind speed in August - Santa Clara, Portugal
  • Average wind speed in August: 8km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).

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Average humidity in August
Santa Clara, Portugal

Average humidity in August - Santa Clara, Portugal
  • Average humidity in August: 65%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (65%).

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Average rainfall in August
Santa Clara, Portugal

Average rainfall in August - Santa Clara, Portugal
  • Average rainfall in August: 6mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (4mm).

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Average rainfall days in August
Santa Clara, Portugal

Average rainfall days in August - Santa Clara, Portugal
  • Average rainfall days in August: 2.8 days

The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is August (2.8 days).

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Average daylight in August /
Average sunshine in August
Santa Clara, Portugal

Average daylight in August / Average sunshine in August - Santa Clara, Portugal
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in August
Santa Clara, Portugal

Average sunshine days in August - Santa Clara, Portugal
  • Average sunshine days in August: 27.5 days

The month with the most sunshine days is August (27.5 days).
The months with the least sunshine days are April and November (14.3 days).

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Average UV index in August
Santa Clara, Portugal

Average UV index in August - Santa Clara, Portugal
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in August
Santa Clara, Portugal

Average cloud cover in August - Santa Clara, Portugal
  • Average cloud cover in August: 22

The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in August
Santa Clara, Portugal

Average visibility in August - Santa Clara, Portugal
  • Average visibility in August: 8km

The months with the highest visibility are June, September, October and December (9km).
The months with the lowest visibility are January, February, March, April, May, July, August and November (8km).

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Santa Clara, Portugal

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