Climate and monthly weather forecast
San Rafael, Argentina

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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 »
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Frequently asked questions

What time of the year is the hottest in San Rafael?

San Rafael's January weather, marked by an average high temperature of 29.9°C (85.8°F) and an average low temperature of 19.3°C (66.7°F), is the warmest in the year.

How much does it rain in San Rafael?

In San Rafael, Argentina, during the entire year, the rain falls for 93.3 days and collects up to 293mm (11.54") of precipitation.

When it does not snow in San Rafael?

January through May, November and December are months without snowfall.

How much does it snow in San Rafael?

Throughout the year, 40mm (1.57") of snow is accumulated.

What is the month with the most sunshine in San Rafael?

The months with the most sunshine in San Rafael, Argentina, are January and December, with an average of 9.7h of sunshine.

What is the month with the highest UV index in San Rafael?

January, February and December, with an average maximum UV index of 6, are months with the highest UV index in San Rafael, Argentina.

What is the most humid month in San Rafael?

The most humid month is May, with an average relative humidity of 57%.

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

May has the least sunshine of the year in San Rafael, with an average of 8.8h of sunshine.

What are the months with the lowest UV index in San Rafael?

May through July, with an average maximum UV index of 3, are months with the lowest UV index.

When does it snow in San Rafael?

Months with snowfall are June through October.

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

The month with the shortest days is June, with an average of 9h and 54min of daylight.

What is the coldest time of year in San Rafael?

July brings the lowest temperatures in San Rafael, Argentina, with an average high of 12.3°C (54.1°F) and an average low of 4.1°C (39.4°F).

What is the driest month in San Rafael?

The month with the least rainfall in San Rafael, Argentina, is July, when the rain falls for 2.7 days and typically collects 5mm (0.2") of precipitation.

When does it snow the most in San Rafael?

July is the month with the most snowfall. Snow falls for 1.1 days and accumulates 15mm (0.59") of snow.

What is the rainiest month in San Rafael?

The month with the most rainfall is November, when the rain falls for 12 days and typically aggregates up to 52mm (2.05") of precipitation.

What is the least humid month in San Rafael?

December is the least humid month in San Rafael, with an average relative humidity of 36%.

When are the longest days in San Rafael?

With an average of 14h and 24min of daylight, December has the longest days of the year in San Rafael.

Is there Daylight Saving Time (DST) in San Rafael?

San Rafael, Argentina, does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.

Average temperature
San Rafael, Argentina

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).

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Average pressure
San Rafael, Argentina

Average pressure - San Rafael, Argentina

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1010.6mbar).

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Average wind speed
San Rafael, Argentina

Average wind speed - San Rafael, Argentina

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).

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Average humidity
San Rafael, Argentina

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%).

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Average rainfall
San Rafael, Argentina

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).

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Average rainfall days
San Rafael, Argentina

Average rainfall days - San Rafael, Argentina

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).

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Average snowfall
San Rafael, Argentina

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).

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Average snowfall days
San Rafael, Argentina

Average snowfall days - San Rafael, Argentina

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).

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Average daylight / Average sunshine
San Rafael, Argentina

Average daylight / Average sunshine - San Rafael, Argentina

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).

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).

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Average sunshine days
San Rafael, Argentina

Average sunshine days - San Rafael, Argentina

The month with the most sunshine days is August (27.4 days).
The month with the least sunshine days is December (14.4 days).

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Average UV index
San Rafael, Argentina

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).

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Average visibility
San Rafael, Argentina

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).

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San Rafael, Argentina

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