Climate and monthly weather forecastRio Gallegos, Argentina
Climate and monthly weather forecast
The climate of Rio Gallegos
Positioned in the Southern Hemisphere, Rio Gallegos experiences a BSk, or mid-latitude steppe, climate type according to the Köppen climate classification. This type of climate reflects semi-arid conditions, typified by substantial seasonal variations in temperature, moderate rainfall throughout the year, and relatively low humidity.Assessing the annual weather trends, a noticeable characteristic is the broad temperature range between the warmest and coldest months. High temperatures fluctuate from 4.3°C (39.7°F) in July to 19.3°C (66.7°F) in January and February. Low temperatures vary from -2.2°C (28°F) observed in July to 7.7°C (45.9°F) in January.
Humidity factors correlate inversely with temperature, ascending from 53% during the waning days of the year in December, spikes at 81% throughout the winter months of June and July, then retreat back to 53% by the year's close. Every month witnesses precipitation with the highest monthly average rainfall reported in January at 33mm (1.3") and the lowest in August at 12mm (0.47"). Days of snowfall are primarily limited to between April and September with the most occurring in June and July with an average of 2 days each.
The best time to visit Rio Gallegos
A visit to Rio Gallegos bodes well during the summer months of December to February. During this period, daily high temperatures stay relatively warm, ranging from 16.9°C (62.4°F) to 19.3°C (66.7°F). Moreover, humidity reaches its lowest at around 53% to 57%, contributing towards more comfortable days. Furthermore, daylight hours peak between 14.4 to 16.6 hours, providing long days to explore the outdoors. Despite being the months with the highest rainfall amounts, they benefit from an equally high number of sunshine hours, from 4°C (39.2°F) to 4.8°C (40.6°F).The worst time to visit Rio Gallegos
The period from June to August may pose challenges for travelers due to its harsher weather conditions. Coldest temperatures occur during this period, with high temperatures averaging from 4.3°C (39.7°F) to 7°C (44.6°F) and low temperatures plunging to between -2.2°C (28°F) to -0.3°C (31.5°F). These months also have the shortest days, averaging between 7.9 to 9.8 daylight hours, in addition to maintaining the highest relative humidity levels, peaking at 81%.Spring weather in Rio Gallegos
Springtime in Rio Gallegos, lasting from September to November, observes a gradual increase in temperature from 11.1°C (52°F) to 16.9°C (62.4°F). Low temperatures also rise progressively from 1.1°C (34°F) to 5.1°C (41.2°F) over the same period. This season teems with more hours of daylight, rising from 11.7 hours in September to 15.6 in November. Rainfall stays moderate during this season, ranging between 12mm (0.47") in September to 22mm (0.87") towards the end in November.Summer weather in Rio Gallegos
Summertime in Rio Gallegos is moderate with an average high temperature consistent at 19.3°C (66.7°F) in December and January dropping slightly to 16.9°C (62.4°F) in February. Low temperatures remain relatively steady from 7.7°C (45.9°F) in December, 7.3°C (45.1°F) in January, to 5.5°C (41.9°F) in February. Monthly rainfall figures also decline during this period, from 33mm (1.3") in December, 21mm (0.83") in January to 19mm (0.75") in February. This period beholds longer days, where daylight ranges from 15.6 hours in December down to 12.4 hours in February.Autumn weather in Rio Gallegos
During autumn, taking place from March to May, temperatures in Rio Gallegos start to decrease. Highs drop steadily from 16.9°C (62.4°F) in March down to 8°C (46.4°F) in May, and lows follow the same trend from 5.5°C (41.9°F) down to 0.2°C (32.4°F). Rainfall totals in these months range from 22mm (0.87") in April to 24mm (0.94") in May. Meanwhile, the hours of daylight gradually lessen throughout the season, going from 10.5 hours in April to 8.8 hours in May.Winter weather in Rio Gallegos
Winter months in Rio Gallegos, spanning from June to August, experience colder temperatures and more frequent snowfall. High temperatures range from 4.8°C (40.6°F) in June to just 7°C (44.6°F) in August, while lows dip into the negatives from -1.9°C (28.6°F) to -0.3°C (31.5°F). Additionally, these months also see the highest relative humidity levels, peaking at 81%. On average, June and July witness 2 days of snowfall each and August records around about 2 days. During this period daylight reaches its most scarce, averaging from 7.9 hours in June and gradually increasing to 9.8 hours by August.Weather in January
The weather in Rio Gallegos, Argentina, kicks off with agreeable mild temperatures. Sea temperatures begin to drop from their summertime high, but maintain a value of 11.1°C (52°F), allowing for activities such as fishing and boating. Weather in January »Weather in February
As the last month of summer in Rio Gallegos, February boasts a similar climate to January but with decreased rainfall. Slightly cooler sea temperatures of 11.6°C (52.9°F) result compared to the previous month, causing the city to be less humid. Weather in February »Weather in March
Autumn in Rio Gallegos begins with a mild climate. The city experiences a further decrease in daylight hours, which now average at 12.4 hours. Compared to February, March sees a further decrease in both sea temperatures and rainfall, indicating a more temperate setting. Weather in March »Weather in April
April displays sharper seasonal changes in Rio Gallegos, Argentina. The slowly dropping daylight hours - down to 10.5 hours - are a sign of the approaching Argentine winter. Similarly, sea temperatures continue to decrease, and residents prepare for colder days. Weather in April »Weather in May
May's climate features further evidence of the advancing winter in Rio Gallegos. The length of daylight continues to shrink to 8.8 hours, marking a steady transition to darker days. Sea temperatures dip to 7.8°C (46°F), and the relative humidity values take a steep climb. Weather in May »Weather in June
June in Rio Gallegos exhibits typical characteristics of winter. The sea temperature continues to decrease, while the number of daylight hours drops to its lowest value. However, the city's beautiful winter white landscape is worth braving the cold temperatures. Weather in June »Weather in July
July, being the coldest month, marks the peak of winter season in Rio Gallegos, Argentina. The sea temperatures reach their lowest annual value, indicating the peak of winter. Despite the cold temperatures, snowfall is not especially heavy in July. Weather in July »Weather in August
August signals the imminent arrival of spring in Argentina with some minor changes in weather elements. The number of daylight hours rises again indicating the season will soon shift. It possesses the same near freezing, cold temperatures from the previous month. Weather in August »Weather in September
The arrival of spring in Rio Gallegos is alienable in September with the climate becoming more temperate. Daylight hours increase significantly to 11.7; an obvious sign of the departing winter. Sea temperatures begin to warm up slightly, a positive sign for marine activities. Weather in September »Weather in October
October continues the trend of welcoming weather conditions and increased daylight hours in Rio Gallegos. Sea temperatures continue to rise, contributing to a more pleasant climate compared to the colder months. Relative humidity decreases in October, resulting in drier conditions overall. Weather in October »Weather in November
As the last month of spring, November in Rio Gallegos, Argentina welcomes the summer season. Daylight hours extend, and sea temperatures rise, contributing to the overall welcoming climate. Compared to October, November's weather shows a significant drop in rainfall. Weather in November »Weather in December
The weather transition from November to December in Rio Gallegos marks the arrival of the summer season. Extended daylight hours and rising sea temperatures contribute to the overall festive mood of the city. December enjoys ample sunshine; however, it is accompanied by increased rainfall. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rio Gallegos, Argentina
The warmest months (with the highest average high temperature) are January and February (19.3°C).
The month with the lowest average high temperature is July (4.3°C).
The month with the highest average low temperature is January (7.7°C).
The coldest month (with the lowest average low temperature) is July (-2.2°C).
Average humidity
Rio Gallegos, Argentina
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is December (53%).
Average rainfall
Rio Gallegos, Argentina
- Average rainfall in January:
33.2mm - Average rainfall in February:
21.2mm - Average rainfall in March:
18.6mm - Average rainfall in April:
21.5mm - Average rainfall in May:
23.5mm - Average rainfall in June:
18.4mm
- Average rainfall in July:
19.3mm - Average rainfall in August:
11.7mm - Average rainfall in September:
11.5mm - Average rainfall in October:
16.9mm - Average rainfall in November:
21.7mm - Average rainfall in December:
24.7mm
The wettest month (with the highest rainfall) is January (33.2mm).
The driest month (with the least rainfall) is September (11.5mm).
Average rainfall days
Rio Gallegos, Argentina
- Average rainfall days in January:
11 days - Average rainfall days in February:
8 days - Average rainfall days in March:
7 days - Average rainfall days in April:
8 days - Average rainfall days in May:
9 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
7 days - Average rainfall days in August:
6 days - Average rainfall days in September:
5 days - Average rainfall days in October:
7 days - Average rainfall days in November:
7 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is January (11 days).
The month with the least rainy days is September (5 days).
Average snowfall days
Rio Gallegos, 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:
0.3 days - Average snowfall days in May:
0.9 days - Average snowfall days in June:
2 days
- Average snowfall days in July:
2 days - Average snowfall days in August:
2 days - Average snowfall days in September:
0.6 days - Average snowfall days in October:
0.7 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The months with the highest number of snowfall days are June, July and August (2 days).
The months with the least snowfall days are January, February, March, November and December (0 days).
Average sea temperature
Rio Gallegos, Argentina
The best month for swimming (with the highest average sea temperature) is February (11.6°C).
The coldest month (with the lowest average sea temperature) is August (4.8°C).
Average daylight / Average sunshine
Rio Gallegos, Argentina
- Average daylight in January:
16h and 0min - Average daylight in February:
14h and 24min - Average daylight in March:
12h and 24min - Average daylight in April:
10h and 30min - Average daylight in May:
8h and 48min - Average daylight in June:
7h and 54min
- Average daylight in July:
8h and 18min - Average daylight in August:
9h and 48min - Average daylight in September:
11h and 42min - Average daylight in October:
13h and 42min - Average daylight in November:
15h and 36min - Average daylight in December:
16h and 36min
The month with the longest days is December (Average daylight: 16h and 36min).
The month with the shortest days is June (Average daylight: 7h and 54min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 48min - Average sunshine in March:
4h and 18min - Average sunshine in April:
3h and 30min - Average sunshine in May:
3h and 18min - Average sunshine in June:
2h and 48min
- Average sunshine in July:
2h and 42min - Average sunshine in August:
3h and 24min - Average sunshine in September:
4h and 12min - Average sunshine in October:
5h and 18min - Average sunshine in November:
4h and 48min - Average sunshine in December:
4h and 0min
The month with the most sunshine is October (Average sunshine: 5h and 18min).
The month with the least sunshine is July (Average sunshine: 2h and 42min).





