December Weather in Ayacucho, Peru

Last updated: August 27, 2025

In December, the weather in Ayacucho, Peru showcases a unique blend of conditions. With maximum temperatures reaching 21°C (70°F) and an average of 11°C (52°F), the days are pleasantly warm, while nights can dip to a cool 2°C (35°F). Rainfall is significant, with 157 mm (6.2 in) distributed over 27 days, contributing to the region's lush landscapes. The high humidity level of 89% further adds to the moisture in the air, creating a vibrant atmosphere that captures the essence of a tropical highland climate. Visitors should be prepared for frequent showers while enjoying the beauty of this historic city.

December Temperature in Ayacucho

In December, Ayacucho, Peru experiences a delightful shift as the temperatures begin to stabilize amidst the contrast of the previous months. With a minimum temperature hovering around 2°C (35°F) and an average of 11°C (52°F), residents and visitors find a welcome reprieve from the chill of earlier winter months. The maximum temperature reaches a comfortable 21°C (70°F), allowing for pleasant outdoor activities while enjoying the festive atmosphere. This month marks a slight warming trend compared to November, where the maximum also touched 22°C (71°F). Overall, December in Ayacucho embodies a mild climate, ideal for exploring the region’s rich cultural heritage and breathtaking landscapes.

December Weather in Ayacucho: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ayacucho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayacucho, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec515151504947464749515352
Data source: Temperature data for Ayacucho generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Ayacucho

In December, Ayacucho, Peru, experiences a significant increase in precipitation, with an average of 157 mm (6.2 in) falling over the course of 27 days. This marks a notable transition as the region shifts from the drier months of mid-year. Following November's 105 mm (4.1 in), December reaffirms its position as one of the wetter months, rivalling January and February, which see the highest precipitation levels of the year. The consistent rainfall not only contributes to the lush landscapes but also signals the onset of the rainy season, setting the stage for the vibrant flora and fauna that thrive amidst this climatic shift.

December Precipitation Trends in Ayacucho

The chart displays monthly precipitation patterns in Ayacucho, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ayacucho, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17020118670372016254376105157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ayacucho

As December arrives in Ayacucho, Peru, the humidity begins to rise again, hitting 89% after a significant drop in the summer months. This increase follows a consistent trend observed from November's 81%, indicating a climatic shift as the region transitions from the drier winter months. Prior to this resurgence, humidity levels notably dipped to a low of 44% in August and maintained a minimum around the 50% mark for several months. As the year wraps up, it’s clear that Ayacucho experiences a notable fluctuation in humidity, peaking at the tail end of the year, which adds to the region's lush and vibrant atmosphere during this time.

December Average Humidity in Ayacucho

This chart illustrates the average monthly humidity levels in Ayacucho, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ayacucho is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ayacucho

In December, Ayacucho, Peru, continues to experience extreme UV levels, with a UV Index of 18 and a burn time of just 10 minutes. This pattern reflects a consistent trend observed throughout the year, as the region maintains high UV exposure from January through October, peaking at 19 during the first three months. Although there is a slight decrease in April and May, the UV Index remains significantly high, emphasizing the need for protective measures against sun exposure. As the year closes, residents and visitors alike should remain vigilant in safeguarding their skin against the intense sunlight. For more information, visit Ayacucho UV Index.

Maximum UV Index Levels in Ayacucho for December

The chart shows the monthly maximum UV Index (UVI) for Ayacucho in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Ayacucho typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919171412131516181818
Data source: Ayacucho December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Ayacucho

In December, Ayacucho, Peru, enjoys a delightful retreat from the peak sunshine of earlier months, basking in 269 hours of glorious sunshine. While this marks a slight decline from November’s 276 hours, it still reflects the region's overall trend of abundant daylight as the year comes to a close. The sun-drenched days of May and August stand out as peaks, with 316 hours and 330 hours respectively, showcasing the summer's vibrant energy. However, even as December cools off, it continues to embrace a commendable amount of sunlight, contributing to the charm of this highland destination. This gentle transition highlights Ayacucho's unique climate and invites visitors to experience its captivating scenery under the soft winter sun.

Monthly Sunshine Duration in Ayacucho: December Highlighted

The December sunshine duration represents the total number of hours Ayacucho experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec219h241h269h286h316h301h321h330h317h315h276h269h
Data source: Ayacucho December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ayacucho During December

In Ayacucho, Peru, December experiences a 15% chance of sunny weather, reflecting a modest increase compared to the preceding months. Analyzing the trends, it's clear that the likelihood of sunshine starts to rise in April, peaking in the dry season from June to August, where it reaches up to 65% in July. Interestingly, the sunshine probability plummets again in November, creating a stark contrast with December's slight uptick. While December might not be the sunniest month in Ayacucho, it offers a glimmer of hope for those seeking a break from the clouds, representing a transitional phase before the sunnier months ahead.

Percentage of Sunny Days in December in Ayacucho

The chart illustrates the percentage of sunny days in Ayacucho throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ayacucho experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%11%7%22%41%35%65%51%38%24%9%15%
Data source: Ayacucho December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ayacucho in December

In Ayacucho, Peru, the daylight duration showcases a fascinating trend throughout the year. From January to March, the region enjoys a consistent 12 hours of daylight, providing ample time for outdoor activities and exploration. As the year progresses into April, daylight begins to decline, dipping to 11 hours and remaining steady through August, reflecting the cooler and less vibrant months. However, as September rolls in, daylight resurges to 12 hours, marking a return to longer days just in time for the festivities at year-end. Interestingly, December also maintains this 12-hour daylight, wrapping up the year with bright and inviting conditions, perfect for celebrating the holiday season in this picturesque Peruvian region.

Average Daylight Hours in Ayacucho for December

The chart illustrates the variation in daylight duration in Ayacucho throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 47m12h 30m12h 8m11h 46m11h 29m11h 20m11h 25m11h 40m12h 1m12h 23m12h 42m12h 52m
Data source: Ayacucho daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ayacucho

As December settles over Ayacucho, Peru, the winds continue to whisper their gentle tales, with an average speed of 1.4 m/s (3 mph), a familiar echo in a year defined by calm breezes. Throughout the year, wind speeds show a subtle dance, mostly hovering between 1.3 and 1.6 m/s, making for a consistently tranquil environment. Notably, the slight uptick in July and August, reaching 1.5 m/s, hints at an invigorating breeze, though it quickly stabilizes as the year draws to a close. This trend underscores a serene climatic rhythm in Ayacucho, where each month brings a sense of consistency, punctuated by just the right amount of fresh air.

Average December Wind Speed in Ayacucho

The chart displays monthly wind speed patterns in Ayacucho, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.41.31.41.31.51.51.61.51.31.4 m/s
Data source: Ayacucho December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ayacucho Compares to Other Months

Weather in Ayacucho varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ayacucho, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January share similar temperature ranges, with January experiencing a slight increase in minimum temperature at 3°C (38°F) compared to December's 2°C (35°F). Both months have an average temperature of around 11°C (51°F) and a maximum temperature that peaks at 21°C (70°F). However, January tends to be wetter, receiving 170 mm (6.7 in) of precipitation over 24 days, compared to December's 157 mm (6.2 in) across 27 days. Humidity levels also rise slightly in January to 93%, compared to December's 89%. For more detailed weather information, you can check out Ayacucho weather in January.

In comparing the weather during December and February, both months exhibit relatively mild temperatures with average highs around 11°C (52°F). December tends to be slightly warmer, with maximum temperatures reaching up to 21°C (70°F), while February's highs cap at 19°C (67°F). Precipitation is more pronounced in February, totaling 201 mm (7.9 in) over 26 days, compared to December's 157 mm (6.2 in) across 27 days. Additionally, February experiences a slightly higher humidity level at 92%, compared to December's 89%. For more detailed information, check out Ayacucho weather in February.

In comparing the weather of December and March, December tends to have slightly warmer temperatures, with an average of 11°C (52°F) compared to March’s average of 10°C (51°F). Both months experience a noticeable amount of rainfall, with December receiving 157 mm (6.2 in) over 27 days, while March sees a bit more precipitation at 186 mm (7.3 in) across 30 days. Humidity levels are also quite high, with December at 89% and March even higher at 92%, contributing to a damp and cool atmosphere in both months. For a more detailed exploration of March's climate, you can check the link: Ayacucho weather in March.

December and April showcase distinct weather patterns, reflecting the transition between seasons. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 21°C (70°F), with an average of 11°C (52°F). The month experiences significant rainfall, totaling 157 mm (6.2 in) over 27 days, and maintains high humidity at 89%. In contrast, April offers slightly cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 19°C (66°F), averaging around 10°C (50°F). Precipitation decreases to 70 mm (2.8 in) across 21 days, and humidity remains similarly high at 90%. For a closer look at specific April weather details, you can visit Ayacucho weather in April.

When comparing the weather in December and May, notable differences emerge. December typically features a milder temperature range, with average highs around 21°C (70°F) and a more humid environment, exhibiting 89% humidity and considerable rainfall of about 157 mm (6.2 in) spread over 27 days. In contrast, May offers slightly cooler temperatures, with averages peaking at 19°C (67°F) and experiencing less precipitation of just 37 mm (1.5 in) over 12 days. Additionally, humidity levels are slightly lower in May at 85%. For a more detailed overview, you can check Ayacucho weather in May.

The weather in December contrasts significantly with that of June. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 21°C (70°F), with an average of 11°C (52°F), making it generally milder. However, this month is also characterized by high humidity at 89% and considerable precipitation, totaling 157 mm (6.2 in) over 27 days. In contrast, June presents cooler temperatures, with a minimum of -2°C (28°F), an average of 9°C (48°F), and a maximum of 18°C (65°F). The month experiences far less precipitation, just 20 mm (0.8 in) over 5 days, and lower humidity at 70%. For more details about June weather, you can refer to Ayacucho weather in June.

December and July in Ayacucho showcase stark contrasts in weather. December enjoys milder temperatures, with highs averaging around 21°C (70°F) and lows around 2°C (35°F), while July sees cooler conditions, with maximum temperatures reaching only 19°C (66°F) and minimums dipping to -3°C (27°F). The humidity is significantly higher in December at 89%, contributing to a wetter month with 157 mm (6.2 in) of precipitation over 27 days, compared to July's much drier spell, receiving only 16 mm (0.6 in) of rain over just 4 days. For more detailed insights, check out Ayacucho weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant average of 11°C (52°F), peaking at a comfortable 21°C (70°F). This month is characterized by a high humidity level of 89% and significant rainfall, receiving 157 mm (6.2 in) over 27 days. In stark contrast, August experiences much colder temperatures, with a minimum of -4°C (25°F) and an average of only 8°C (47°F), while the maximum reaches 19°C (66°F). Rainfall is minimal in August, totaling just 24 mm (1.0 in) across only 7 days and accompanied by a much drier humidity level of 44%. For more details on the weather in August, visit Ayacucho weather in August.

In September, the weather in Ayacucho is generally milder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (67°F) and an average of 10°C (49°F). The month sees relatively low precipitation, totaling 43 mm (1.7 in) over 14 days, accompanied by a more comfortable humidity level of 52%. In contrast, December experiences warmer temperatures, with a range from 2°C (35°F) to 21°C (70°F) and an average of 11°C (52°F). However, December is much wetter, receiving 157 mm (6.2 in) of rainfall across 27 days and a higher humidity of 89%. For more details on the weather conditions in September, you can visit Ayacucho weather in September.

In comparing the weather of December and October, December tends to be milder with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 21°C (70°F), whereas October experiences slightly cooler conditions, with temperatures dipping as low as -1°C (30°F) and averaging around 10°C (51°F). Additionally, December is markedly wetter, receiving 157 mm (6.2 in) of precipitation across 27 days compared to October’s 76 mm (3.0 in) over 20 days. The humidity is also higher in December at 89%, compared to October's 65%. For further details, you can visit Ayacucho weather in October.

In comparing the weather between November and December, we see some notable differences. December experiences slightly cooler minimum temperatures, with a low of 2°C (35°F) compared to November's minimum of 4°C (39°F). While both months have a similar average temperature of around 11°C (52°F), December's maximum temperature reaches 21°C (70°F), just one degree lower than November's 22°C (71°F). Precipitation is significantly higher in December, with 157 mm (6.2 in) over 27 days, compared to November's 105 mm (4.1 in) spread across 23 days. Additionally, December's humidity is higher at 89%, compared to November's 81%. For more specifics on November's weather, you can check out Ayacucho weather in November.

Compare Ayacucho's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ayacucho

As December rolls into Ayacucho, the weather presents a unique blend of cooler temperatures and significant rainfall, distinguishing it from the more temperate months that precede it. With an average temperature around 11°C (52°F) and frequent rain contributing to a high humidity level of 89%, December transforms the landscape with lush greenery. This month notably experiences increased precipitation, with rainy days dominating the calendar, creating a refreshing yet damp atmosphere. Visitors should be prepared for these conditions while also enjoying the vibrant beauty that December brings. For more detailed insights, check out the complete overview at Ayacucho Climate.