Climate and monthly weather forecastSan Justo, Argentina
Climate and monthly weather forecast
Weather in January
January is a hot summer month in San Justo, Argentina, with an average temperature ranging between min 20.2°C (68.4°F) and max 30.3°C (86.5°F). In San Justo, Argentina, January records the highest average temperatures, peaking at 30.3°C (86.5°F) and reaching a low of 20.2°C (68.4°F). The heat index in January is calculated to be a tropical 33°C (91.4°F). Weather in January »Weather in February
February, the last month of the summer in San Justo, is also a moderately hot month, with an average temperature varying between 20.1°C (68.2°F) and 29.3°C (84.7°F). The arrival of February sees a recorded average high-temperature of a moderately hot 29.3°C (84.7°F), showing little divergence from the previous month's conditions. Weather in February »Weather in March
March, the first month of the autumn in San Justo, is also a moderately hot month, with an average temperature fluctuating between 25.9°C (78.6°F) and 17.4°C (63.3°F). With the arrival of March, San Justo notices a mild change in the average high-temperature, sliding from February's 29.3°C (84.7°F) to a still warm 25.9°C (78.6°F). Weather in March »Weather in April
April, the same as March, in San Justo, Argentina, is an agreeable autumn month, with an average temperature ranging between min 14.7°C (58.5°F) and max 22.4°C (72.3°F). The transition to April results in a modest reduction in average high-temperature, moving from a moderately hot 25.9°C (78.6°F) in March to a pleasant 22.4°C (72.3°F). Weather in April »Weather in May
The last month of the autumn, May, is also an enjoyable month in San Justo, Argentina, with an average temperature varying between 12.6°C (54.7°F) and 18.4°C (65.1°F). In San Justo, the average high-temperature in May gently drops from a pleasant 22.4°C (72.3°F) in April to a refreshing 18.4°C (65.1°F). Weather in May »Weather in June
The first month of the winter, June, is also a moderate month in San Justo, Argentina, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 14.8°C (58.6°F). The beginning of June subtly marks a decrease in the average high-temperature, transitioning from a comfortable 18.4°C (65.1°F) in May to a mild 14.8°C (58.6°F). Weather in June »Weather in July
July, like June, is another refreshing winter month in San Justo, Argentina, with an average temperature varying between 13.8°C (56.8°F) and 8.1°C (46.6°F). San Justo's coldest temperatures are experienced in July, with average high temperatures of 13.8°C (56.8°F) and lows of 8.1°C (46.6°F). Weather in July »Weather in August
The last month of the winter, August, is a refreshing month in San Justo, Argentina, with an average temperature fluctuating between 16.3°C (61.3°F) and 9.4°C (48.9°F). The average high-temperature during August is a still refreshing 16.3°C (61.3°F), almost matching the conditions of the preceding month. Weather in August »Weather in September
The first month of the spring, September, is still a comfortable month in San Justo, Argentina, with an average temperature fluctuating between 10.4°C (50.7°F) and 17.8°C (64°F). San Justo's September reports an average high-temperature of a still comfortable 17.8°C (64°F), exhibiting a minor difference from August. Weather in September »Weather in October
October is a pleasant spring month in San Justo, Argentina, with an average temperature varying between 12.7°C (54.9°F) and 20.9°C (69.6°F). With the onset of October, the average high-temperature subtly transitions from a comfortable 17.8°C (64°F) in September to a pleasant 20.9°C (69.6°F). Weather in October »Weather in November
The last month of the spring, November, is a warm month in San Justo, Argentina, with temperature in the range of an average high of 24.7°C (76.5°F) and an average low of 15.3°C (59.5°F). November brings a slight rise in San Justo's average high-temperature, moving from a pleasant 20.9°C (69.6°F) in October to a warm 24.7°C (76.5°F). Weather in November »Weather in December
The first month of the summer, December, is also a moderately hot month in San Justo, Argentina, with an average temperature varying between 18.5°C (65.3°F) and 28.8°C (83.8°F). December brings a slight increase in the average high-temperature, progressing from 24.7°C (76.5°F) in November to a still moderately hot 28.8°C (83.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
San Justo, Argentina
The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).
The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure
San Justo, Argentina
- Average pressure in January:
1011.8mbar - Average pressure in February:
1012.4mbar - Average pressure in March:
1014.8mbar - Average pressure in April:
1016.6mbar - Average pressure in May:
1017.9mbar - Average pressure in June:
1018.1mbar
- Average pressure in July:
1019.1mbar - Average pressure in August:
1018.7mbar - Average pressure in September:
1018mbar - Average pressure in October:
1015.7mbar - Average pressure in November:
1013.1mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed
San Justo, Argentina
- Average wind speed in January:
14.6km/h - Average wind speed in February:
14.1km/h - Average wind speed in March:
13.8km/h - Average wind speed in April:
14.3km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
15.1km/h
- Average wind speed in July:
15.3km/h - Average wind speed in August:
15.2km/h - Average wind speed in September:
16.4km/h - Average wind speed in October:
15.5km/h - Average wind speed in November:
15km/h - Average wind speed in December:
14km/h
The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).
Average humidity
San Justo, Argentina
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).
Average rainfall
San Justo, Argentina
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days
San Justo, Argentina
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
8.7 days - Average rainfall days in June:
6.1 days
- Average rainfall days in July:
8.2 days - Average rainfall days in August:
5.8 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).
Average daylight / Average sunshine
San Justo, Argentina
- Average daylight in January:
14h and 12min - Average daylight in February:
13h and 18min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 12min - Average daylight in May:
10h and 18min - Average daylight in June:
9h and 54min
- Average daylight in July:
10h and 6min - Average daylight in August:
10h and 54min - Average daylight in September:
11h and 54min - Average daylight in October:
13h and 0min - Average daylight in November:
13h and 54min - Average daylight in December:
14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in January:
10h and 30min - Average sunshine in February:
9h and 12min - Average sunshine in March:
8h and 54min - Average sunshine in April:
8h and 18min - Average sunshine in May:
6h and 48min - Average sunshine in June:
5h and 54min
- Average sunshine in July:
6h and 48min - Average sunshine in August:
7h and 54min - Average sunshine in September:
7h and 42min - Average sunshine in October:
8h and 24min - Average sunshine in November:
10h and 30min - Average sunshine in December:
11h and 12min
The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days
San Justo, Argentina
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
20.1 days - Average sunshine days in April:
19.5 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
22.3 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
24.1 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).
Average UV index
San Justo, Argentina
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover
San Justo, Argentina
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility
San Justo, Argentina
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).





