San Juan
Argentina
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
San Juan, Argentina

The last month of the winter, August, is a comfortable month in San Juan, Argentina, with average temperature ranging between max 18.3°C (64.9°F) and min 7.3°C (45.1°F).

Temperature

In August, the average high-temperature slightly increases, from a mild 14.6°C (58.3°F) in July, to a comfortable 18.3°C (64.9°F). In San Juan, the average low-temperature is 7.3°C (45.1°F).

Humidity

The average relative humidity in August is 37%.

Rainfall

In San Juan, in August, during 1.3 rainfall days, 2mm (0.08") of precipitation is typically accumulated. In San Juan, Argentina, during the entire year, the rain falls for 50.2 days and collects up to 94mm (3.7") of precipitation.

Snowfall

Months with snowfall are July through September. In San Juan, during August, snow falls for 0.3 days and regularly aggregates up to 2mm (0.08") of snow. In San Juan, Argentina, during the entire year, snow falls for 1.1 days, and aggregates up to 8mm (0.31") of snow.

Daylight

The average length of the day in August is 11h.

Sunshine

Months with the most sunshine in San Juan, Argentina, are August, September and November, with an average of 9.9h of sunshine.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in August in San Juan?

The average high-temperature, in August, in San Juan, is 18.3°C (64.9°F), while the average low-temperature is 7.3°C (45.1°F).

What is the average humidity in August in San Juan?

The average relative humidity in August in San Juan, Argentina, is 37%.

How many days does it rain in August in San Juan?

In San Juan, Argentina, during August, the rain falls for 1.3 days and regularly aggregates up to 2mm (0.08") of precipitation.

How many days does it snow in August in San Juan?

In San Juan, in August, during 0.3 snowfall days, 2mm (0.08") of snow is typically accumulated.

How many hours of daylight does San Juan have in August?

In August, the average length of the day in San Juan, Argentina, is 11h.

What is the month with the most sunshine in San Juan?

Months with the most sunshine are August, September and November, with an average of 9.9h of sunshine.

How long on average sun shines in August in San Juan?

In San Juan, Argentina, the average sunshine in August is 9.9h.

What is the UV index reading in August in San Juan?

In August, the average daily maximum UV index in San Juan, Argentina, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in August - San Juan, Argentina
  • Average high temperature in August: 18.3°C

The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (14.6°C).

  • Average low temperature in August: 7.3°C

The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).

Average humidity in August - San Juan, Argentina
  • Average humidity in August: 37%

Months with the highest relative humidity are April and May (52%).
The month with the lowest relative humidity is November (35%).

Average rainfall in August - San Juan, Argentina
  • Average rainfall in August: 2mm

The wettest month (with the highest rainfall) is January (29mm).
Driest months (with the lowest rainfall) are June and July (1mm).

Average rainfall days in August - San Juan, Argentina
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is January (9.2 days).
The month with the lowest number of rainy days is August (1.3 days).

Average snowfall in August - San Juan, Argentina
  • Average snowfall in August: 2mm

The month with the highest snowfall is July (4mm).
Months with the lowest snowfall are January, February, March, April, May, June, October, November and December (0mm).

Average snowfall days in August - San Juan, Argentina
  • Average snowfall days in August: 0.3 days

Months with the highest number of snowfall days are July and September (0.4 days).
Months with the lowest number of snowfall days are January, February, March, April, May, June, October, November and December (0 days).

Average daylight in August / Average sunshine in August - San Juan, Argentina
  • Average daylight in August: 11h

The month with the longest days is December (Average daylight: 14.2h).
The month with shortest days is June (Average daylight: 10.1h).

  • Average sunshine in August: 9.9h

Months with most sunshine are August, September and November (Average sunshine: 9.9h).
Months with least sunshine are March, April, May and October (Average sunshine: 9.7).

Average UV index in August - San Juan, Argentina
  • Average UV index in August: 4

The month with the highest UV index is January (UV index 7).
Months with the lowest UV index are May, June and July (UV index 3).