April weather forecast
San Juan, Argentina

Weather in April

April, the same as March, in San Juan, Argentina, is an agreeable autumn month, with an average temperature varying between 22.9°C (73.2°F) and 12.6°C (54.7°F).

Temperature

In April, the average high-temperature marginally drops from a moderately hot 26.7°C (80.1°F) in March to a pleasant 22.9°C (73.2°F). In San Juan, the average low-temperature is 12.6°C (54.7°F).

Humidity

The months with the highest humidity are April and May, with an average relative humidity of 52%.

Rainfall

In San Juan, in April, it is raining for 3.8 days, with typically 3mm (0.12") of accumulated precipitation. In San Juan, during the entire year, the rain falls for 50.2 days and collects up to 94mm (3.7") of precipitation.

Snowfall

In San Juan, snow does not fall in January through June, October through December.

Daylight

The average length of the day in April in San Juan is 11h and 18min.
On the first day of the month, sunrise is at 07:45 and sunset at 19:30. On the last day of April, sunrise is at 08:04 and sunset at 18:57 -03.

Sunshine

March through May and October, with an average of 9.7h of sunshine, are months with the least sunshine.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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.
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FAQ

What is the most humid month in San Juan?

The months with the highest humidity in San Juan are April and May, with an average relative humidity of 52%.

What is the average humidity in April in San Juan?

The average relative humidity in April in San Juan is 52%.

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

In San Juan, Argentina, in April, during 3.8 rainfall days, 3mm (0.12") of precipitation is typically accumulated.

When it does not snow in San Juan?

January through June, October through December are months without snowfall in San Juan.

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

The average day length in April in San Juan is 11h and 18min.

When is the sunrise / sunset in April in San Juan?

On the first day of April, sunrise is at 07:45 and sunset at 19:30. On the last day of the month, sunrise is at 08:04 and sunset at 18:57 -03.

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

March through May and October, with an average of 9.7h of sunshine, are months with the least sunshine in San Juan.

How many hours of sunshine does San Juan have in April?

The average sunshine duration in April in San Juan is 9.7h.

How high is the UV index in April in San Juan?

In San Juan, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
San Juan, Argentina

Average temperature in April - San Juan, Argentina
  • Average high temperature in April: 22.9°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 April: 12.6°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).

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Average pressure in April
San Juan, Argentina

Average pressure in April - San Juan, Argentina
  • Average pressure in April: 1015.4mbar

The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).

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Average wind speed in April
San Juan, Argentina

Average wind speed in April - San Juan, Argentina
  • Average wind speed in April: 9.4km/h

The windiest months (with the highest average wind speed) are October and November (12.2km/h).
The calmest month (with the lowest average wind speed) is May (8.8km/h).

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Average humidity in April
San Juan, Argentina

Average humidity in April - San Juan, Argentina
  • Average humidity in April: 52%

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

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Average rainfall in April
San Juan, Argentina

Average rainfall in April - San Juan, Argentina
  • Average rainfall in April: 3mm

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

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Average rainfall days in April
San Juan, Argentina

Average rainfall days in April - San Juan, Argentina
  • Average rainfall days in April: 3.8 days

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

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Average snowfall in April
San Juan, Argentina

Average snowfall in April - San Juan, Argentina
  • Average snowfall in April: 0mm

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

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Average snowfall days in April
San Juan, Argentina

Average snowfall days in April - San Juan, Argentina
  • Average snowfall days in April: 0 days

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

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Average daylight in April /
Average sunshine in April
San Juan, Argentina

Average daylight in April / Average sunshine in April - San Juan, Argentina
  • Average daylight in April: 11h and 18min

The month with the longest days is December (Average daylight: 14h and 10min).
The month with the shortest days is June (Average daylight: 10h and 8min).

  • Average sunshine in April: 9h and 42min

The months with the most sunshine are August, September and November (Average sunshine: 9h and 54min).
The months with the least sunshine are March, April, May and October (Average sunshine: 9h and 42min).

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Average sunshine days in April
San Juan, Argentina

Average sunshine days in April - San Juan, Argentina
  • Average sunshine days in April: 24 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is January (15.4 days).

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Average UV index in April
San Juan, Argentina

Average UV index in April - San Juan, Argentina
  • Average UV index in April: 5

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

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Average cloud cover in April
San Juan, Argentina

Average cloud cover in April - San Juan, Argentina
  • Average cloud cover in April: 12

The months with the most cloud cover are March, April and May (Cloud cover 12).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in April
San Juan, Argentina

Average visibility in April - San Juan, Argentina
  • Average visibility in April: 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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