Climate and monthly weather forecastJujuy, Argentina
Climate and monthly weather forecast
The climate of Jujuy
The city of Jujuy, Argentina, has a predominant climate classified as Cwb by the Köppen climate classification, which represents a temperate highland tropical climate with dry winters. The geographical positioning of the city lends itself to this unique blend of temperate and tropical conditions, creating an interesting array of weather behaviors throughout the year.Temperatures within the city fluctuate from a low of 5°C (41°F) to highs reaching up to 23.6°C (74.5°F) across the span of the year. A discernible and rather steady decrease in temperature can be observed progressing from a peak in January, gradually declining to its lowest in July, before rising again towards the year-end. Conversely, humidity and rainfall manifest a reverse trend, lower at the year's commencement and pinnacle, but peaking around the mid-year, with July emerging as the driest month having 2mm (0.08") rainfall only.
Particularly intriguing is the occurrence of snow in July. This occurrence, while minimal at 3mm (0.12"), sets Jujuy apart from most tropical regions. Daylight hours and sunshine duration mirror each other in their course throughout the year, both declining until June before gradually increasing, with the least daylight in June at 10.7 hours and the maximum in January at 13.6 hours.
The best time to visit Jujuy
The optimal time to plan a visit to Jujuy would indeed correspond with the traveler's individual preference in climatic conditions. However, the period between August and November can be considered favorable for most. During this phase, the city experiences mild temperatures ranging from 6.4°C (43.5°F) to 22.5°C (72.5°F), coupled with minimal rainfalls oscillating between 2mm (0.08") and 51mm (2.01"), making travel and exploration conducive. Moreover, sunshine duration is at its yearly peak at this time, reaching up to 10 hours per day from August to October, broadening daylight for touristic activities.The worst time to visit Jujuy
Certain travelers may find the months from May to July a tad difficult for traversing Jujuy. In this interval, temperatures can plunge to their lowest between 5°C (41°F) to 17.7°C (63.9°F) which, coupled with the city's high relative humidity touching 80%, could create an environment less comfortable for sightseeing and outdoor activities. Furthermore, these months display a reduced amount of daylight as well as sunshine hours.Spring weather in Jujuy
Spring in Jujuy, experienced through September, October, and November, showcases a magnificent rebound from the chills of winter. Temperatures resume their upward trajectory, ranging from 8.3°C (46.9°F) to 23.2°C (73.8°F) with barely any precipitation (from 12mm (0.47") to 51mm (2.01") of rainfall), enabling the blossoming of the city's diverse flora. Simultaneously, the lengthening sunshine hours reaching up to 9.9 hours in September ensure increased visibility for daytime excursions.Summer weather in Jujuy
The summer months of Jujuy, December, January, and February, witness the hottest periods of the year. Temperatures during these months range paramountly from 13.4°C (56.1°F) to 23.6°C (74.5°F), while rainfall shows significant increase up to 154mm (6.06") in December. The cloud percentage also demonstrates a similar surge in this season reaching up to 35%, despite this, the increased sunshine duration ensures ample daylight for a variety of activities.Autumn weather in Jujuy
Located in the South Hemisphere, Jujuy experiences Autumn from March to May. This season records a gradual fall in temperature from 12°C (53.6°F) in March to a chilly 5°C (41°F) by May. Precipitation follows a downward transition from 84mm (3.31") in March to a mere 9mm (0.35") in May. Despite modest decrease in daylight hours from 12.2 to 10.9, the sunshine minutes soar to their peak in May at 9.5 hours a day.Winter weather in Jujuy
June, July and August combine to form the winter season in Jujuy. This period is characterized by the chillest temperature thresholds the city faces, varying from 5°C (41°F) to 19.4°C (66.9°F), with July being the coldest month. Correspondingly, precipitation drops to become the lowest, with a record low of 2mm (0.08") in July and August both. Remarkably, while daylight duration is at its least, sunshine hours maintain their high, granting bright but crisp winter days.Weather in January
Beginning the year in Jujuy, Argentina, sees a humid season with marked temperatures and frequent rain. January observes a high mean temperature of 23.4°C (74.1°F) and a relative humidity of 74%, and these conditions, coupled with the average rainfall of 154mm (6.06"), make the air feel moist. Weather in January »Weather in February
Looking towards February’s weather in Jujuy, Argentina, it is broadly similar to that of January, with a slight decrease in average high temperature to 22.7°C (72.9°F). This slight shift in temperature causes a modest increase in the relative humidity to 78%, supporting the overall dampness observed in the region. Weather in February »Weather in March
In March, Jujuy's climate begins to show signals of the upcoming autumn season. The shifts become evident with a slight drop in the average high temperature to 21°C (69.8°F), and a decrease in rainfall to 84mm (3.31") discerns the transition from the previous high-precipitation months. Weather in March »Weather in April
April showcases a noticeable shift toward the region's drier season with a sharp decrease in rainfall to 47mm (1.85") and a slightly cooler mean high temperature of 19.7°C (67.5°F). Compared to the higher humid conditions of March, this month marks the beginning of significantly drier weather patterns leading into May. Weather in April »Weather in May
As the middle of the year approaches, the city of Jujuy, Argentina, transitions into its driest season. May's most significant change from the previous month is a drastic decrease in rainfall from 47mm (1.85") to an average of 9mm (0.35"). Weather in May »Weather in June
June is known to be the coolest period in Jujuy, Argentina, characterized by a mildly cold average high temperature of 17°C (62.6°F) combined with decreased humidity of 57%. This shift from the warmer conditions of May brings forth drier weather marked by the lowest rainfall of 5mm (0.2"). Weather in June »Weather in July
Entering July, Jujuy settles into the heart of the winter season, with average high temperatures reaching 16.7°C (62.1°F), the lowest of the year and decreased even from June's previously noted low. This cold weather coincides with a further drop in rainfall to 2mm (0.08"), distinguishing July as a notably cold and dry month. Weather in July »Weather in August
As the final month of winter sets in, August witnesses a gradual increase in average high temperature to 19.4°C (66.9°F). This moderate rise in temperatures following the colder July facilitates the transition into the warmer month of September. Weather in August »Weather in September
September in Jujuy, Argentina, denotes the arrival of spring weather, with temperatures rising to an average high of 21°C (69.8°F) and a slight increase in rainfall to 12mm (0.47"). The weather starts to make a noticeable shift from the previously dry August, transitioning towards the region's rainier season starting from October. Weather in September »Weather in October
In October, the city begins its transition into the rainy season, with rainfall increasing significantly from September's 12mm (0.47") to 51mm (2.01"). This month brings a slight rise in average high temperature to 22.5°C (72.5°F) adding to the increasingly apparent atmospheric changes from September. Weather in October »Weather in November
November marks the onset of the wet season in Jujuy, Argentina, characterized by a considerable increase in rainfall to 100mm (3.94") from the preceding October levels. This escalation makes November a part of the city's most humid season. Weather in November »Weather in December
December continues with the wet trend seen in November, with a further rise in rainfall to 142mm (5.59"), marking it as one of the wettest times of the year in Jujuy, Argentina. The average high temperature slightly rises to 23.6°C (74.5°F), presenting warmer conditions in line with the region's summer season. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Jujuy, Argentina
The warmest month (with the highest average high temperature) is December (23.6°C).
The month with the lowest average high temperature is July (16.7°C).
The months with the highest average low temperature are January and December (13.4°C).
The coldest month (with the lowest average low temperature) is July (5°C).
Average pressure
Jujuy, Argentina
- Average pressure in January:
1012.2mbar - Average pressure in February:
1012.3mbar - Average pressure in March:
1013.9mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1017.5mbar
- Average pressure in July:
1017.9mbar - Average pressure in August:
1017mbar - Average pressure in September:
1015.4mbar - Average pressure in October:
1012.9mbar - Average pressure in November:
1011.4mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1010.6mbar).
Average wind speed
Jujuy, Argentina
- Average wind speed in January:
7.1km/h - Average wind speed in February:
6.7km/h - Average wind speed in March:
6.6km/h - Average wind speed in April:
6.5km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
7km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
7.5km/h - Average wind speed in October:
8km/h - Average wind speed in November:
7.7km/h - Average wind speed in December:
7.4km/h
The windiest month (with the highest average wind speed) is October (8km/h).
The calmest month (with the lowest average wind speed) is April (6.5km/h).
Average humidity
Jujuy, Argentina
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall
Jujuy, Argentina
The wettest month (with the highest rainfall) is January (154mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days
Jujuy, Argentina
- Average rainfall days in January:
25.3 days - Average rainfall days in February:
24.8 days - Average rainfall days in March:
23.8 days - Average rainfall days in April:
18.1 days - Average rainfall days in May:
8.3 days - Average rainfall days in June:
3.3 days
- Average rainfall days in July:
2.2 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
21.5 days - Average rainfall days in December:
25.3 days
The months with the highest number of rainy days are January and December (25.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall
Jujuy, Argentina
The month with the highest snowfall is July (3mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days
Jujuy, Argentina
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0.3 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Jujuy, Argentina
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 54min - Average daylight in June:
10h and 42min
- Average daylight in July:
10h and 48min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 18min - Average daylight in December:
13h and 36min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in January:
8h and 42min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 6min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 30min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 54min - Average sunshine in October:
9h and 18min - Average sunshine in November:
8h and 48min - Average sunshine in December:
8h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 8h and 6min).
Average sunshine days
Jujuy, Argentina
- Average sunshine days in January:
3.6 days - Average sunshine days in February:
2.4 days - Average sunshine days in March:
4.9 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
21.4 days
- Average sunshine days in July:
23.3 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
10.5 days - Average sunshine days in November:
4.5 days - Average sunshine days in December:
3.6 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (2.4 days).
Average UV index
Jujuy, Argentina
The months with the highest UV index are January, February, March, September, October, November and December (UV index 5).
The month with the lowest UV index is May (UV index 3).
Average cloud cover
Jujuy, Argentina
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Jujuy, Argentina
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is March (8km).








