August weather forecast
Atenas, Costa Rica

englishespañol中文
Share

Weather in August

August in Atenas, Costa Rica, is characterized by a climb in rainfall amount to 287mm (11.3") and a drop in visibility to 7km (4.3mi), indicative of the humid and cloudy weather patterns. Though rainfall increases from July, it's considerably scattered as indicated by the number of rainfall days. The temperature averages remain consistent, making the weather relatively warm, despite the rainy season. A slight downward shift in the sunshine hours correlates with the increased rainfall and cloud cover. Wind speeds show minor reductions, maintaining the calm yet damp weather conditions of the previous month.

Temperature

Entering August, the average high-temperature is recorded at a still moderately hot 26.7°C (80.1°F), exhibiting a minimal shift from July's 26.3°C (79.3°F). In August, Atenas records an average nighttime temperature of 19.3°C (66.7°F).

Humidity

In Atenas, Costa Rica, the average relative humidity in August is 86%.

Rainfall

In Atenas, in August, during 27.6 rainfall days, 287mm (11.3") of precipitation is typically accumulated. In Atenas, Costa Rica, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

The average length of the day in August is 12h and 26min.
On the first day of August in Atenas, sunrise is at 05:27 and sunset at 18:00. On the last day of the month, sunrise is at 05:28 and sunset at 17:46 CST.

Sunshine

In Atenas, the average sunshine in August is 7.8h.

UV index

May, August and November, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In August, the UV index of 5 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
[Resources]

Frequently asked questions

What are the temperatures in Atenas in August?

August temperatures in Atenas, Costa Rica, vary between a high-temperature of 26.7°C (80.1°F) and a low-temperature of 19.3°C (66.7°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in May is evaluated at 32°C (89.6°F).

What is the average humidity in August in Atenas?

The average relative humidity in August in Atenas is 86%.

How much does it rain in Atenas in August?

In Atenas, in August, during 27.6 rainfall days, 287mm (11.3") of precipitation is typically accumulated.

How many hours of daylight does Atenas have in August?

In Atenas, Costa Rica, the average day length in August is 12h and 26min.

When are sunrise and sunset in August in Atenas?

In August, on the first day of the month, sunrise is at 05:27 and sunset at 18:00. On the last day of the month, in Atenas, sunrise is at 05:28 and sunset at 17:46 CST.

How long on average sun shines in August in Atenas?

The average sunshine duration in August in Atenas, Costa Rica, is 7.8h.

When is the lowest UV index in Atenas?

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

What is the UV index reading in August in Atenas?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Atenas, Costa Rica

Average temperature in August - Atenas, Costa Rica
  • Average high temperature in August: 26.7°C

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

  • Average low temperature in August: 19.3°C

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

[Resources]

Average pressure in August
Atenas, Costa Rica

Average pressure in August - Atenas, Costa Rica
  • Average pressure in August: 1011.2mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

[Resources]

Average wind speed in August
Atenas, Costa Rica

Average wind speed in August - Atenas, Costa Rica
  • Average wind speed in August: 4.6km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

[Resources]

Average humidity in August
Atenas, Costa Rica

Average humidity in August - Atenas, Costa Rica
  • Average humidity in August: 86%

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

[Resources]

Average rainfall in August
Atenas, Costa Rica

Average rainfall in August - Atenas, Costa Rica
  • Average rainfall in August: 287mm

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

[Resources]

Average rainfall days in August
Atenas, Costa Rica

Average rainfall days in August - Atenas, Costa Rica
  • Average rainfall days in August: 27.6 days

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

[Resources]

Average daylight in August /
Average sunshine in August
Atenas, Costa Rica

Average daylight in August / Average sunshine in August - Atenas, Costa Rica
  • Average daylight in August: 12h and 2min

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

  • Average sunshine in August: 7h and 5min

The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).

[Resources]

Average sunshine days in August
Atenas, Costa Rica

Average sunshine days in August - Atenas, Costa Rica
  • Average sunshine days in August: 2.8 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

[Resources]

Average UV index in August
Atenas, Costa Rica

Average UV index in August - Atenas, Costa Rica
  • Average UV index in August: 5

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

[Resources]

Average cloud cover in August
Atenas, Costa Rica

Average cloud cover in August - Atenas, Costa Rica
  • Average cloud cover in August: 49

The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).

[Resources]

Average visibility in August
Atenas, Costa Rica

Average visibility in August - Atenas, Costa Rica
  • Average visibility in August: 7km

The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).

[Resources]

Atenas, Costa Rica

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location