Climate and monthly weather forecastSan Rafael, Argentina
Climate and monthly weather forecast
The climate of San Rafael
San Rafael, Argentina has the Köppen Climate Classification of BSk, which indicates a mid-latitude steppe environment. This type of climate is typically characterized by warm to hot temperatures, with extremely moderately humid conditions. An annual overview reveals a varying climate, with temperatures ranging from a low of 4.1°C (39.4°F) to a high of 29.9°C (85.8°F). Humidity levels similarly fluctuate from 36% to 57% throughout the year, indicating varied relative humidity levels during different periods.The amount of rainfall San Rafael receives shifts throughout the year, with the highest precipitation amounting to 52mm (2.05") in November. On the contrary, the rainfall reaches its nadir between June to August, with a drop to 5mm (0.2") in July. The number of rainy days also varies, peaking at 12.9 days in January and decreasing to a minimum of 2.7 days in July.
San Rafael also experiences snowfall occasionally with the maximum falling in July amounting to 15mm (0.59") over 1.1 days. The absence of snowfall is observed between January to May and November to December. The city enjoys ample daylight hours with a high of 14.4 hours in December and a relatively shorter day of 9.9 hours in June.
The best time to visit San Rafael
The optimal time to visit San Rafael would be in the months of October and November. During these months, the weather shows a desirable balance of warmth along with the onset of the precipitation phase, making the surroundings lush and green. The temperature ranges from 17.9°C (64.2°F) to 25.5°C (77.9°F) and rainfall amounts to 10mm (0.39") to 52mm (2.05"). Additionally, November enjoys a considerable 13.9 hours of daylight. The city also witnesses a relative increase in sunshine hours, with 9 hours per day.The worst time to visit San Rafael
The least favorable time to visit San Rafael would be during the Winter months of June and July. The temperature drops to the lowest levels between 4.1°C (39.4°F) to 13.4°C (56.1°F), with an increased precence of clouds as shown by the cloud percentage from 44% to 51%. Additionally, there is a reduction in the number of daylight hours to 9.9 to 10.1 hours, affecting the amount of time available for outdoor sightseeing or activities.Spring weather in San Rafael
Spring in San Rafael manifests itself from September to November, demonstrating a rise in temperatures from 8.5°C (47.3°F) to 25.5°C (77.9°F). The pleasant weather is accompanied by an increase in rainfall from 10mm (0.39") to 52mm (2.05"), revitalizing the city's mid-latitude steppe landscape. With daylight hours extending from 11.9 to 13.9, outdoor activities can be enjoyed extensively.Summer weather in San Rafael
Summer spans from December to February in San Rafael and hosts the highest temperatures of the year. The temperatures during these months range from 17.5°C (63.5°F) to 29.9°C (85.8°F). This period also experiences a relative decrease in rainfall with values from 36mm (1.42") to 52mm (2.05"). Despite the slight decline, there are approximately 11.9 to 12.9 rainy days, slightly higher than other seasons.Autumn weather in San Rafael
Autumn arrives in March and stays until May in San Rafael. The temperatures during these months hover from 8.7°C (47.7°F) to 25.7°C (78.3°F). While the rainfall decreases from 19mm (0.75") to 11mm (0.43"), humidity levels rise to a higher 54 - 57%. The daylight duration reduces insignificantly from 12.3 to 10.3 hours, with a similarly small decrease in sunshine hours.Winter weather in San Rafael
Winter in San Rafael extends from June to August. The climate during this season is considerably cooler with temperatures between 4.1°C (39.4°F) to 15.5°C (59.9°F). Though the rainfall reaches its lowest amount in July, snowfall is present with its highest peak of 15mm (0.59") in July. Despite having shorter daylight hours of 9.9 to 10.9, the number of sunshine days range from 26.7 to 27.4, ensuring plenty of sunny days despite the cold.Weather in January
Comparatively, weather conditions in January are characterized by the highest temperatures of the year, reaching a peak of 29.9°C (85.8°F). The climate is relatively dry, with San Rafael experiencing the lowest humidity levels, around 37%. Weather in January »Weather in February
Transitioning into February, there is a slight drop in temperatures, though the weather remains relatively warm. In San Rafael, there is a decrease in rainfall, resulting in less precipitation compared to January. Despite the reduction of daylight hours, the month still boasts an impressive sunshine duration enabling outdoor activities. Weather in February »Weather in March
As March beckons, both rainfall quantity and days decrease, reaching a low 19mm (0.75") over 9 days. The decline in temperature continues from February yet, being autumn, the weather still maintains an enjoyable warmth. The amount of sunlight received per day remains constant from the previous month, allowing residents to continue with their outdoor routines. Weather in March »Weather in April
April in San Rafael brings about a further decrease in temperatures as the region heads towards winter. The significant shift in weather is marked by reduced rainfall while the humidity increases from the previous month. Observing the daylight hours, there is a noticeable drop, indicating shorter days. Weather in April »Weather in May
May commands a drop in temperature levels, amplified by a downswing in rainfall to 11mm (0.43"). This fall, accompanied by a climb in the relative humidity, denotes the onset of cooler months in San Rafael. With the shortened days, sunshine hours also decrease, although the city still receives a fair quantity of sunlight. Weather in May »Weather in June
June is characterized by the arrival of the winter season in San Rafael, with temperatures dropping further from May. Of particular interest, it's the first month to experience snowfall, albeit only registering at 1mm (0.04"). Sunshine duration is at its lowest in the year, although the majority of days enjoy a fair level of brightness. Weather in June »Weather in July
During July, temperatures in San Rafael continue to fall, reaching the year's lowest point. An increase in snowfall to 15mm (0.59") over 1.1 day highlights the peak of the winter season. The hours of sunlight per day start to extend again, following June's lowest level. Weather in July »Weather in August
August's climate sees a slight rise in temperatures as San Rafael begins to transition out of winter. Snowfall decreases to 9mm (0.35") which is less than in July. The average amount of sunlight per day increases, hinting at the arrival of spring's longer days. Weather in August »Weather in September
Temperatures continue to rise in September, indicating the arrival of spring in San Rafael. A substantial drop in snowfall to 5mm (0.2") marks a significant retreat of winter's grip. As the season progresses, the amount of sunlight the city receives increases, bringing more warmth and longer days. Weather in September »Weather in October
October brings significantly warmer temperatures as San Rafael situates itself firmly within the spring season. Rainfall increases to 40mm (1.57") considerably from September while snowfall notably disappears. The amount of sunlight the city gets per day further escalates, aiding the overall rise in temperatures. Weather in October »Weather in November
November is characterized by further increase in temperatures, reflecting the imminent arrival of summer in San Rafael. Notably, rainfall levels peak at 52mm (2.05"), marking November as the wettest month of the year. Days continue to lengthen due to the ongoing increase in daylight hours. Weather in November »Weather in December
Finally, December marks the advent of summer temperatures in San Rafael, soaring close to January’s levels. Rainfall decreases to 36mm (1.42"), signaling the end of spring's rainy spell. Hours of sunlight reach their annual peak in December, offering the longest days of the year. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
San Rafael, Argentina
The warmest month (with the highest average high temperature) is January (29.9°C).
The month with the lowest average high temperature is July (12.3°C).
The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (4.1°C).
Average pressure
San Rafael, Argentina
- Average pressure in January:
1011.2mbar - Average pressure in February:
1011.9mbar - Average pressure in March:
1013.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1017.2mbar
- Average pressure in July:
1018.5mbar - Average pressure in August:
1017.5mbar - Average pressure in September:
1017mbar - Average pressure in October:
1014.5mbar - Average pressure in November:
1012.3mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1010.6mbar).
Average wind speed
San Rafael, Argentina
- Average wind speed in January:
14.2km/h - Average wind speed in February:
13.2km/h - Average wind speed in March:
12.6km/h - Average wind speed in April:
11km/h - Average wind speed in May:
9.9km/h - Average wind speed in June:
9.6km/h
- Average wind speed in July:
9.9km/h - Average wind speed in August:
11.2km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
14km/h - Average wind speed in November:
14.5km/h - Average wind speed in December:
14.8km/h
The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is June (9.6km/h).
Average humidity
San Rafael, Argentina
The month with the highest relative humidity is May (57%).
The month with the lowest relative humidity is December (36%).
Average rainfall
San Rafael, Argentina
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days
San Rafael, Argentina
- Average rainfall days in January:
12.9 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
9 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
4.7 days - Average rainfall days in June:
2.9 days
- Average rainfall days in July:
2.7 days - Average rainfall days in August:
2.9 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
12 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is January (12.9 days).
The month with the least rainy days is July (2.7 days).
Average snowfall
San Rafael, Argentina
The month with the highest snowfall is July (15mm).
The months with the least snowfall are January, February, March, April, May, November and December (0mm).
Average snowfall days
San Rafael, 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:
0.2 days
- Average snowfall days in July:
1.1 days - Average snowfall days in August:
0.8 days - Average snowfall days in September:
0.6 days - Average snowfall days in October:
0.2 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 (1.1 days).
The months with the least snowfall days are January, February, March, April, May, November and December (0 days).
Average daylight / Average sunshine
San Rafael, 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:
9h and 42min - Average sunshine in February:
9h and 30min - Average sunshine in March:
9h and 24min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 12min - Average sunshine in October:
9h and 0min - Average sunshine in November:
9h and 30min - Average sunshine in December:
9h and 42min
The months with the most sunshine are January and December (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 8h and 48min).
Average sunshine days
San Rafael, Argentina
- Average sunshine days in January:
14.5 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
21 days - Average sunshine days in May:
24.7 days - Average sunshine days in June:
26.5 days
- Average sunshine days in July:
26.7 days - Average sunshine days in August:
27.4 days - Average sunshine days in September:
22.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
15.3 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is August (27.4 days).
The month with the least sunshine days is December (14.4 days).
Average UV index
San Rafael, Argentina
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover
San Rafael, Argentina
The month with the most cloud cover is May (Cloud cover 24).
The month with the least cloud cover is December (Cloud cover 13).
Average visibility
San Rafael, 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).





