Last updated: August 21, 2025
In January, La Rioja, Argentina experiences a dynamic climate characterized by a maximum temperature reaching an impressive 41°C (107°F), averaging around a warm 27°C (82°F), and dipping to a refreshing minimum of 15°C (58°F) at night. This month also brings 71 mm (2.8 in) of precipitation across 8 days, creating a humid atmosphere with around 63% humidity. Visitors and locals alike can expect a blend of hot sunny days and occasional rainfall, making January a vibrant and lively time in this unique region.
In La Rioja, Argentina, January ushers in the height of summer with warm temperatures that invite outdoor adventures. The minimum temperature starts at a comfortable 15°C (58°F), steadily climbing to an impressive average of 27°C (82°F), while the maximum can reach a sizzling 41°C (107°F). As the month progresses, there's a noticeable warmth, setting the tone for the upcoming summer days, with temperatures cooling slightly as the year transitions to February. This trend of warm days and cooler nights establishes La Rioja as a perfect location for enjoying both vibrant daytime activities and leisurely evenings under the stars.
In January, La Rioja, Argentina experiences an average precipitation of 71 mm (2.8 in), falling over approximately 8 days. This month marks the start of a gradual decline in rainfall, setting the tone for the year ahead. Following January, precipitation slightly increases in February before reaching its peak in March with 73 mm (2.9 in), hinting at a wet transition into autumn. As the seasons shift toward winter, rainfall significantly decreases, plummeting to a mere 5 mm (0.2 in) by July. Interestingly, the descent into drier months continues, with August recording almost no rain at all. However, the cycle revitalizes in late spring as precipitation begins to rise again, leading into the wetter months of December. This pattern underscores La Rioja's unique climate, showcasing a dynamic interplay between wet beginnings and extended dry spells throughout the year.
In January, La Rioja, Argentina experiences a moderate humidity level of 63%, setting the stage for a warm summer month. As the season progresses into February and March, humidity rises gradually to 66% and 68%, respectively, creating a steadily more muggy atmosphere. However, this trend sharply contrasts with the following months, as the humidity spikes dramatically in April to 83% and remains high through May at 82%. The onset of winter in June sees a decrease to 72%, which continues its decline into July with 57%. This trend of lower humidity persists until August, where it drops significantly to 42%, marking the driest period of the year. As the seasons shift again, humidity begins to recover, building back up to 61% by December, but it still remains less than the peak summer months. Overall, La Rioja’s humidity reflects a clear seasonal rhythm, oscillating between the extremes of sticky summers and drier winters, providing a dynamic climate for its residents.
In January, La Rioja, Argentina, experiences a notably high UV Index of 15, placing it in the extreme exposure category with a burn time of just 10 minutes. This intensity persists into February, where the index slightly decreases to 14, yet the burn time remains the same. A gradual decline occurs in March, with the UV Index dropping to 12, still categorized as extreme. The transition into April softens the sun's bite to a very high index of 9, allowing for a slightly extended burn time of 15 minutes. As the months continue, a clear trend of decreasing UV levels emerges, settling at 6 in May and 5 during June and July, moving into the moderate category. However, the UV Index rises again towards the year's end, hitting 12 in October and climbing back to extreme levels of 14 in November and peaking again at 15 in December. For those enjoying the summer sun, it's crucial to stay informed about the La Rioja UV Index to ensure skin protection and stay safe in the strong Argentine sun.
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In January, La Rioja basks in a generous 292 hours of sunshine, setting the stage for a vibrant summer. As the month transitions to February, the sun’s embrace strengthens, yielding 305 hours, ideal for outdoor adventures among the region's stunning landscapes. The trend continues upward into March, which basks in 320 hours, marking a peak for summer's warmth and vitality. However, as autumn approaches in April with 282 hours, there’s a gentle shift as daylight begins to wane. This pattern persists through the cooler months of May and June, with sunny hours dipping slightly to 277 and 276, respectively. Yet, as winter unfolds, July surprises with a rebound to 301 hours, reigniting the golden hues. The sunshine then flourishes towards the year’s end, peaking dramatically in December with an impressive 372 hours, highlighting La Rioja’s status as a sun-soaked haven throughout the year.
In La Rioja, Argentina, January brings a delightful 61% chance of sunny weather, setting a vibrant tone for summer. As the year progresses, the likelihood of sunshine fluctuates, peaking in the mid-year months of July and August, where the sun graces the sky with an impressive 83% to 93% chance. Interestingly, April and May also show promising prospects with sun chances of 67% and 69%, respectively, while the latter months of the year begin to taper off, culminating in December's 59% likelihood. This trend illustrates a clear seasonal shift, favoring long, sun-filled days in the heart of summer, while inviting cooler, more variable conditions as autumn approaches.
In La Rioja, Argentina, January marks the peak of daylight, offering a generous 13 hours of sunlight that invites both adventure and relaxation. As the month progresses into February, this abundance of daylight remains unchanged, creating a seamless transition into the warmer days of summer. However, as March rolls in, daylight begins to wane slightly, dropping to 12 hours. This gradual decrease continues through April into May, where the sun graces the skies for only 10 hours. Interestingly, daylight stabilizes around 10 hours from June to July, hinting at the region's winter solstice. Come August, the days brighten up again, returning to 11 hours as spring approaches, ultimately rising back to 12 hours in October and cycling back to 13 hours in November and December. This annual rhythm illustrates not just the changing seasons, but the vibrant life that thrives under the varying skies of La Rioja.
In January, La Rioja, Argentina, experiences a gentle breeze with an average wind speed of 2.5 m/s (5 mph), setting the tone for a mild summer. As the year progresses, the winds begin to exhibit a consistent pattern, with speeds slightly dipping in February before remaining relatively stable through the spring months. Notably, September sparks an uptick, with wind speeds rising to 2.7 m/s (6 mph), a trend that continues into November. This seasonal shift hints at a lively transition into the warmer months, providing an invigorating contrast to the otherwise calm winds of early summer. Overall, while the winds may not reach remarkable velocities, their subtle variations throughout the year contribute to the region's dynamic and engaging climate.
Weather in La Rioja varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in La Rioja, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, we see a slight decrease in average temperatures, with January averaging 27°C (82°F) and February averaging 25°C (78°F). Both months experience similar maximum temperatures, with January peaking at 41°C (107°F) and February slightly lower at 40°C (104°F). Precipitation levels are nearly identical, with January recording 71 mm (2.8 in) and February slightly higher at 72 mm (2.9 in), both occurring over 8 days. Humidity also shows a slight increase in February, rising from 63% in January to 66%. For more detailed insights, you may explore La Rioja weather in February.
In comparison to January, March experiences slightly cooler temperatures, with an average of 23°C (74°F) compared to January's higher average of 27°C (82°F). January sees minimum temperatures of 15°C (58°F) while March's minimum drops to 10°C (51°F). Both months exhibit similar precipitation levels, with January at 71 mm (2.8 in) and March at 73 mm (2.9 in), and each month has rainy days spread over 8 days. However, March has a slightly higher humidity at 68% compared to January's 63%. To explore more about the weather conditions in March, you can visit La Rioja weather in March.
January and April present distinct weather patterns in La Rioja. In January, temperatures range from a minimum of 15°C (58°F) to a scorching maximum of 41°C (107°F), with an average temperature of 27°C (82°F). The month also sees more precipitation, totaling 71 mm (2.8 in) over approximately 8 days, accompanied by a humidity level of 63%. In contrast, April experiences milder temperatures, with a minimum of 7°C (45°F) and a maximum of 34°C (93°F), averaging around 20°C (69°F). Precipitation decreases to 33 mm (1.3 in) across about 6 days, and humidity rises to 83%, creating a cooler, more humid atmosphere compared to January. For more details about April weather, visit La Rioja weather in April.
In January, temperatures in La Rioja can be sweltering, ranging from a minimum of 15°C (58°F) to a scorching maximum of 41°C (107°F), with an average of 27°C (82°F). The month experiences relatively significant rainfall, with 71 mm (2.8 in) over approximately 8 days, contributing to a humidity level of 63%. In contrast, May brings a much cooler climate, characterized by temperatures between 2°C (36°F) and 28°C (83°F), with an average of 15°C (60°F). Precipitation is lower in May, totaling 23 mm (0.9 in) over 5 days, while humidity rises to 82%. This stark contrast highlights the seasonal variations in La Rioja’s weather. For more details, check out La Rioja weather in May.
When comparing the weather between January and June, striking differences are evident. January boasts a range of temperatures from a mild 15°C (58°F) to a scorching high of 41°C (107°F), while June presents a much cooler climate with temperatures dipping as low as -1°C (31°F) and peaking at a comfortable 24°C (76°F). Precipitation also varies significantly, with January experiencing 71 mm (2.8 in) over 8 days compared to June's modest 11 mm (0.4 in) over just 2 days. Interestingly, June's humidity rises slightly to 72%, compared to January's 63%. For a more detailed look at June's weather, visit La Rioja weather in June.
In January, La Rioja experiences significantly warmer weather, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 41°C (107°F) and an average of 27°C (82°F). This month also sees a fair amount of rainfall, with 71 mm (2.8 in) of precipitation over eight days, contributing to a humidity level of 63%. In contrast, July offers a much cooler climate, with temperatures dipping to a minimum of -2°C (29°F) and only reaching a maximum of 25°C (78°F), averaging around 11°C (51°F). This winter month is much drier, with only 5 mm (0.2 in) of precipitation occurring on just one day and a humidity level of 57%. For a more detailed look at July weather patterns, you can visit La Rioja weather in July.
When comparing the weather between January and August, striking differences emerge. January is characterized by high temperatures, with a minimum of 15°C (58°F) and an average of 27°C (82°F), reaching a scorching maximum of 41°C (107°F). The month sees considerable precipitation, totaling 71 mm (2.8 in) over 8 days, accompanied by a higher humidity level of 63%. In contrast, August experiences milder temperatures, with a minimum of 0°C (33°F) and an average of 14°C (58°F), soaring to a maximum of 35°C (95°F). Remarkably, August registers only 2 mm (0.1 in) of precipitation over no rainy days and maintains a lower humidity of 42%. For further information, you can check La Rioja weather in August.
January and September showcase a stark contrast in weather conditions. In January, the temperatures can soar to a maximum of 41°C (107°F), with an average of 27°C (82°F) and a relatively high humidity of 63%. The month experiences about 71 mm (2.8 in) of precipitation over approximately 8 days, offering a humid and warm atmosphere. In contrast, September presents cooler conditions, with temperatures peaking at 38°C (100°F) and an average of 18°C (65°F). The minimum temperature drops to 2°C (35°F), and there is significantly less precipitation, totaling just 20 mm (0.8 in) over 3 days, along with a lower humidity level of 51%. For more detailed insights, you can check the La Rioja weather in September.
In January, the weather is significantly warmer, with temperatures ranging from a minimum of 15°C (58°F) to a scorching maximum of 41°C (107°F) and an average of 27°C (82°F). The month also experiences higher humidity at 63% and more frequent rainfall, totaling 71 mm (2.8 in) over about 8 days. In contrast, October offers much cooler conditions, with temperatures dipping to a low of 7°C (45°F) and an average of 22°C (72°F), only reaching up to 40°C (104°F). Additionally, October has lower humidity at 47% and experiences less precipitation, totaling 34 mm (1.3 in) over just 5 days. For more detailed information, you can check La Rioja weather in October.
In January, the weather in La Rioja is typically hotter with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 41°C (107°F), averaging around 27°C (82°F). The month also sees higher humidity at 63% and a total precipitation of 71 mm (2.8 inches) over about 8 days. In contrast, November offers slightly cooler conditions, with temperatures ranging from a minimum of 11°C (52°F) to the same maximum of 41°C (106°F), but an average of 25°C (77°F). Precipitation is lower at 46 mm (1.8 inches) across 6 days, accompanied by a lower humidity level of 58%. For more detailed information on November weather, you can refer to La Rioja weather in November.
In January, the weather in La Rioja tends to be slightly warmer than in December, with minimum temperatures averaging around 15°C (58°F) compared to 12°C (54°F) in December. Both months have similar average temperatures of 27°C (82°F), but January sees a slightly higher maximum temperature of 41°C (107°F), while December reaches up to 42°C (108°F). Precipitation levels are also comparable; January receives 71 mm (2.8 in) of rain over 8 days, while December has 77 mm (3.0 in) over 7 days, indicating a brief but similar wetness in both months. Humidity in January is a touch higher at 63% compared to December's 61%. For details on December weather specifically, refer to La Rioja weather in December.
In January, La Rioja experiences a striking contrast to the cooler months, with maximum temperatures soaring to 41°C (107°F) and an overall average of 27°C (82°F) that beckons summer enthusiasts. While the humidity hovers around 63%, occasional rain is not uncommon, accounting for a modest 71 mm of precipitation over about 8 days. This combination creates a vibrant atmosphere, perfect for outdoor adventures and exploration. For a deeper dive into what to expect throughout the year, visit La Rioja Climate.