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

Monthly weather forecast and climate
San Juan, Argentina

January, like December, is another hot summer month in San Juan, Argentina, with average temperature fluctuating between 34.6°C (94.3°F) and 19.4°C (66.9°F). The warmest month is January, with an average high-temperature of 34.6°C (94.3°F) and an average low-temperature of 19.4°C (66.9°F). The average heat index is evaluated at a sweltering 39°C (102.2°F). Weather in January »
The last month of the summer, February, is another tropical month in San Juan, Argentina, with average temperature varying between 18.5°C (65.3°F) and 33.4°C (92.1°F). In San Juan, the average high-temperature in February is almost the same as in January - a still hot 33.4°C (92.1°F). Weather in February »

March, the first month of the autumn, in San Juan, is still a tropical month, with average temperature varying between 30°C (86°F) and 15.8°C (60.4°F). In San Juan, the average high-temperature in March marginally drops, from a tropical 33.4°C (92.1°F) in February, to a still hot 30°C (86°F). Weather in March »

April, the same as March, is a moderately hot autumn month in San Juan, Argentina, with average temperature varying between 11°C (51.8°F) and 25.6°C (78.1°F). In San Juan, the average high-temperature slightly decreases, from a hot 30°C (86°F) in March, to a moderately hot 25.6°C (78.1°F). Weather in April »

May, the last month of the autumn, in San Juan, is another pleasant month, with average temperature varying between 20.8°C (69.4°F) and 5.4°C (41.7°F). In San Juan, the average high-temperature marginally drops, from a warm 25.6°C (78.1°F) in April, to an agreeable 20.8°C (69.4°F). Weather in May »

The first month of the winter, June, is also an enjoyable month in San Juan, Argentina, with average temperature fluctuating between 16.4°C (61.5°F) and 1.1°C (34°F). In San Juan, the average high-temperature marginally drops, from a pleasant 20.8°C (69.4°F) in May, to a comfortable 16.4°C (61.5°F). Weather in June »

July, like June, in San Juan, Argentina, is another comfortable winter month, with average temperature fluctuating between 1.1°C (34°F) and 16.3°C (61.3°F). July is the coldest month, with an average high-temperature of 16.3°C (61.3°F) and an average low-temperature of 1.1°C (34°F). Weather in July »

The last month of the winter, August, is another comfortable month in San Juan, Argentina, with average temperature varying between 3.3°C (37.9°F) and 19.8°C (67.6°F). In San Juan, the average high-temperature in August slightly increases, from a comfortable 16.3°C (61.3°F) in July, to a still enjoyable 19.8°C (67.6°F). Weather in August »

The first month of the spring, September, is a pleasant month in San Juan, Argentina, with average temperature varying between 6.3°C (43.3°F) and 22.5°C (72.5°F). In San Juan, Argentina, the average high-temperature in September is relatively the same as in August - a pleasant 22.5°C (72.5°F). Weather in September »

October is a warm spring month in San Juan, Argentina, with average temperature ranging between max 28°C (82.4°F) and min 11.3°C (52.3°F). In October, the average high-temperature rises, from a pleasant 22.5°C (72.5°F) in September, to a moderately hot 28°C (82.4°F). Weather in October »

The last month of the spring, November, is a tropical month in San Juan, Argentina, with average temperature fluctuating between 31.8°C (89.2°F) and 14.9°C (58.8°F). In San Juan, the average high-temperature in November slightly increases, from a warm 28°C (82.4°F) in October, to a tropical 31.8°C (89.2°F). Weather in November »

The first month of the summer, December, is still a tropical month in San Juan, Argentina, with temperature in the range of an average high of 34.3°C (93.7°F) and an average low of 18.3°C (64.9°F). In December, the average high-temperature is relatively the same as in November - a still hot 34.3°C (93.7°F). Weather in December »

What is the warmest month in San Juan?

The warmest month in San Juan, Argentina, is January, with an average high-temperature of 34.6°C (94.3°F) and an average low-temperature of 19.4°C (66.9°F).

How many days does it rain in San Juan?

In San Juan, Argentina, during the entire year, the rain falls for 25.6 days and collects up to 92.3mm (3.6") of precipitation.

What is the wettest month in San Juan?

February is the month with the most rainfall. Rain falls for 4 days and accumulates 18.4mm (0.7") of precipitation.

What is the most humid month in San Juan?

The most humid month is June, with an average relative humidity of 65%.

What is the driest month in San Juan?

June is the month with the least rainfall in San Juan. Rain falls for 0.6 days and accumulates 1.3mm (0.1") of precipitation.

What is the month with the shortest days in San Juan?

The month with the shortest days in San Juan is June, with an average of 10.1h of daylight.

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

The month with the least sunshine in San Juan, Argentina, is June, with an average of 6.9h of sunshine.

What is the coldest month in San Juan?

With an average high-temperature of 16.3°C (61.3°F) and an average low-temperature of 1.1°C (34°F), July is the coldest month.

What is the least humid month in San Juan?

The least humid month in San Juan is November, with an average relative humidity of 41%.

When are the longest days in San Juan?

The month with the longest days in San Juan is December, with an average of 14.2h of daylight.

What month has the most sunshine in San Juan?

The month with the most sunshine is December, with an average of 11.3h of sunshine.
Average temperature - San Juan, Argentina
Average humidity - San Juan, Argentina
Average rainfall - San Juan, Argentina

The wettest month (with the highest rainfall) is February (18.4mm).
The driest month (with the lowest rainfall) is June (1.3mm).

Average rainfall days - San Juan, Argentina
Average daylight / Average sunshine - San Juan, Argentina

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

The month with most sunshine is December (Average sunshine: 11.3h).
The month with least sunshine is June (Average sunshine: 6.9h).