August weather forecast
San Juan del Sur, Nicaragua

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Weather in August

August continues with the wet trend in San Juan del Sur, receiving a generous 95mm (3.74") of rainfall. Yet, despite the prevalent showers, August sees a slight increase in both sunshine and sea temperature. The persistent warm weather is conducive for seaside activities, making it an exciting time for enthusiasts. The sound of raindrops accompanied by the comforting sea breeze lends a unique charm to this coastal town. Provided visitors are well-prepared for periodic showers, August offers an indelible Costa Rican weather experience.

Temperature

San Juan del Sur's shift into August is marked by a subtle change to a tropical 30.3°C (86.5°F) from July's 29.8°C (85.6°F) in temperature. A steady low-temperature average of 25.4°C (77.7°F) is logged in San Juan del Sur during August, reflecting a modest dip from daytime readings.

Heat index

During August, the heat index is evaluated at a torrid 38°C (100.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In San Juan del Sur, the average relative humidity in August is 78%.

Rainfall

In August, in San Juan del Sur, the rain falls for 25.8 days. Throughout August, 95mm (3.74") of precipitation is accumulated. Throughout the year, in San Juan del Sur, there are 237.9 rainfall days, and 717mm (28.23") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater is August, with an average sea temperature of 29.3°C (84.7°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

In San Juan del Sur, the average length of the day in August is 12h and 29min.
On the first day of August, sunrise is at 05:31 and sunset at 18:08. On the last day of the month, sunrise is at 05:33 and sunset at 17:53 CST.

Sunshine

In August, the average sunshine is 9.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In August, an average UV index of 7 transforms into the following instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Watch out! Sand and water enhance the UV exposure you receive.
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Frequently asked questions

Is it hot in San Juan del Sur during August?

In San Juan del Sur, 30.3°C (86.5°F) is the average high-temperature and 25.4°C (77.7°F) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 38°C (100.4°F).

What is the average humidity in August in San Juan del Sur?

In San Juan del Sur, the average relative humidity in August is 78%.

How much does it rain in San Juan del Sur in August?

In August, in San Juan del Sur, Nicaragua, the rain falls for 25.8 days. Throughout August, 95mm (3.74") of precipitation is accumulated.

When is the sea warmest in San Juan del Sur?

August is the month with the warmest seawater in San Juan del Sur, Nicaragua, with an average sea temperature of 29.3°C (84.7°F).

What is the water temperature in August in San Juan del Sur?

In San Juan del Sur, Nicaragua, the average seawater temperature in August is 29.3°C (84.7°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in August in San Juan del Sur?

In August, the average day length in San Juan del Sur is 12h and 29min.

What time are sunrise and sunset in August in San Juan del Sur?

In August, on the first day of the month, sunrise is at 05:31 and sunset at 18:08. On the last day of the month, sunrise is at 05:33 and sunset at 17:53 CST.

How many hours of sunshine does San Juan del Sur have in August?

In August, the average sunshine duration in San Juan del Sur, Nicaragua, is 9.1h.

What are the months with the highest UV index in San Juan del Sur?

The months with the highest UV index in San Juan del Sur, Nicaragua, are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in San Juan del Sur?

January through December, with an average maximum UV index of 7, are months with the lowest UV index.

What is the UV index intensity in August in San Juan del Sur?

The average daily maximum UV index in August in San Juan del Sur is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in August
San Juan del Sur, Nicaragua

Average temperature in August - San Juan del Sur, Nicaragua
  • Average high temperature in August: 30.3°C

The warmest month (with the highest average high temperature) is April (31.8°C).
The month with the lowest average high temperature is December (28.8°C).

  • Average low temperature in August: 25.4°C

The month with the highest average low temperature is May (26.3°C).
The coldest months (with the lowest average low temperature) are January, February and December (24.3°C).

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Average pressure in August
San Juan del Sur, Nicaragua

Average pressure in August - San Juan del Sur, Nicaragua
  • Average pressure in August: 1010.8mbar

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is October (1010.2mbar).

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Average wind speed in August
San Juan del Sur, Nicaragua

Average wind speed in August - San Juan del Sur, Nicaragua
  • Average wind speed in August: 16.6km/h

The windiest month (with the highest average wind speed) is January (26.6km/h).
The calmest month (with the lowest average wind speed) is October (12.3km/h).

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Average humidity in August
San Juan del Sur, Nicaragua

Average humidity in August - San Juan del Sur, Nicaragua
  • Average humidity in August: 78%

The month with the highest relative humidity is October (80%).
The months with the lowest relative humidity are March and April (69%).

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Average rainfall in August
San Juan del Sur, Nicaragua

Average rainfall in August - San Juan del Sur, Nicaragua
  • Average rainfall in August: 95mm

The wettest month (with the highest rainfall) is October (151mm).
The driest month (with the least rainfall) is March (7mm).

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Average rainfall days in August
San Juan del Sur, Nicaragua

Average rainfall days in August - San Juan del Sur, Nicaragua
  • Average rainfall days in August: 25.8 days

The month with the highest number of rainy days is July (27.4 days).
The month with the least rainy days is March (10.6 days).

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Average sea temperature in August
San Juan del Sur, Nicaragua

Average sea temperature in August - San Juan del Sur, Nicaragua
  • Average sea temperature in August: 29.3°C

The best month for swimming (with the highest average sea temperature) is August (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

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Average daylight in August /
Average sunshine in August
San Juan del Sur, Nicaragua

Average daylight in August / Average sunshine in August - San Juan del Sur, Nicaragua
  • Average daylight in August: 12h and 3min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in August: 9h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).

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Average sunshine days in August
San Juan del Sur, Nicaragua

Average sunshine days in August - San Juan del Sur, Nicaragua
  • Average sunshine days in August: 3.3 days

The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is July (2 days).

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Average UV index in August
San Juan del Sur, Nicaragua

Average UV index in August - San Juan del Sur, Nicaragua
  • Average UV index in August: 7

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

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Average cloud cover in August
San Juan del Sur, Nicaragua

Average cloud cover in August - San Juan del Sur, Nicaragua
  • Average cloud cover in August: 44

The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is March (Cloud cover 23).

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Average visibility in August
San Juan del Sur, Nicaragua

Average visibility in August - San Juan del Sur, Nicaragua
  • 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).

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San Juan del Sur, Nicaragua

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