Climate and monthly weather forecastAyacucho, Peru
Climate and monthly weather forecast
The climate of Ayacucho
In the subtropical highlands of Ayacucho, Peru, the climate falls under the Köppen category of Cwb, indicating a temperate highland tropical climate with dry winters. Monthly temperatures are relatively stable year-round, averaging in a range from 13.3°C (55.9°F) to 15.7°C (60.3°F) for highs and between 3.1°C (37.6°F) and 7.6°C (45.7°F) for lows. The relative humidity levels are consistent throughout the year, fluctuating slightly from 67% to 80%.Rainfall patterns feature marked seasonal variations. Rain is abundant in the first quarter of the year, peaking in February with a hefty 130mm (5.12"). From March, there is a significant reduction in rainfall, reaching a minimum in July at 5mm (0.2"), followed by a gradual increase towards the end of the year. Ayacucho also experiences occasional snowfall particularly during the first half of the year with a peak of 6mm (0.24") in April.
Cloud coverage varies moderately from 20% to 46%, giving way to a good amount of sunshine all year round, from 7h to 10.6h a day. Additionally, wind speeds are stable, ranging between 6.6km/h (4.1mph) and 8.4km/h (5.2mph). All told, Ayacucho's climate is typified by comfortable temperatures, moderate to high rainfall, and abundant sunshine.
The best time to visit Ayacucho
Optimal times for a visit largely hinge on personal preferences. For those in quest of warm weather combined with low rainfall, the period between June and September will be most suitable. During this period, temperatures hover comfortably between 13.4°C (56.1°F) and 14.4°C (57.9°F), rainfall is at its minimum, from 5mm (0.2") to 19mm (0.75"), and the city enjoys ample sunshine of between 7.4h to 9.4h a day.The worst time to visit Ayacucho
If a sojourn devoid of rainfall is preferred, January and February may not be ideal months to plan a trip to Ayacucho. These months present the highest levels of rain with an average of 128mm (5.04") and 130mm (5.12") respectively. January also witnesses the highest number of rainy days at 27.9. Despite this, temperatures stay comfortable, averaging between 14.2°C (57.6°F) and 14.3°C (57.7°F) for high and from 7.2°C (45°F) to 7.2°C (45°F) for low.Spring weather in Ayacucho
Spring in Ayacucho extends from September to November. This period is highlighted by progressive warming with high temperatures moving from 14.4°C (57.9°F) in September to 15.7°C (60.3°F) in November. Corresponding low temperatures range from 4.8°C (40.6°F) to 7.6°C (45.7°F). Rainfall begins to increase during this period, with November receiving 89mm (3.5") on average. As the season transitions, expect increased cloud cover and less sunlight, although the hours of sunshine remain significant, averaging between 9.2h and 10.6h per day.Summer weather in Ayacucho
Ayacucho's summer, spanning December to February, is characterized by moderate to high rainfall, primarily in January and February, with 126mm (4.96") and 130mm (5.12") respectively. December receives less than these, having an average of 89mm (3.5"). High temperatures remain steady, fluctuating between 14.4°C (57.9°F) and 15°C (59°F) while lows range from 7.1°C (44.8°F) to 7.6°C (45.7°F). Days are notably short, with daylight hours standing at 12.7h to 12.9h, although daily sunshine varies from 9.2h to 10.6h.Autumn weather in Ayacucho
The months of March to May mark autumn in Ayacucho. Temperatures begin falling gradually with highs from 14.3°C (57.7°F) to 14.1°C (57.4°F) and lows plummeting from 6.3°C (43.3°F) to 4.3°C (39.7°F). Rainfall also declines, tapering from 94mm (3.7") in March to a mere 24mm (0.94") in May. The city gets to enjoy longer hours of daylight with 11.5h to 12.2h every day, complemented by sunshine between 7.0h and 8.5h.Winter weather in Ayacucho
Winter, from June to August, brings colder temperatures and lower levels of rainfall. High temperatures dip to its lowest of 13.3°C (55.9°F) in July while low temperatures plummet to a minimum of 3.1°C (37.6°F) in the same month. Rainfall remains minimal, averaging between 5mm (0.2") and 6mm (0.24"). Despite shorter days from 11.4h to 11.7h of daylight, there is more sunshine in these months, ranging from 7.4h to 7.5h per day.Weather in January
Consistently, Ayacucho's January climatic conditions are characterized by a blend of warmth and adequate rainfall. Compared to the subsequent month, January experiences marginally lower temperatures, making it relatively cooler. Weather in January »Weather in February
February in Ayacucho is typified by a delicate rise in atmospheric temperature. As compared to the preceding month, February experiences slightly warmer temperatures. The rainfall decreases to 130mm (5.12"), which sets the landscape into a flurry of blossoming flowers. Weather in February »Weather in March
March marks the beginning of a change in the weather pattern in Ayacucho, Peru. The city witnesses a drop in temperature from previous February's highs. The volume of rainfall also decreases to 94mm (3.7"), resulting in a mix of clouded and bright-skied days. Weather in March »Weather in April
April in Ayacucho comes with colder temperatures and diminished precipitation. There's an observable shift in weather when compared with the warmth and higher rainfall of March. The precipitation recedes significantly to 44mm (1.73"), leading to mild, serene days. Weather in April »Weather in May
May in Ayacucho, Peru, sees a continuation of the push towards drier conditions. Quite distinct from April, May experiences progressively colder nights and less frequent rainfall. With a recorded reduction in rainfall to 24mm (0.94"), conditions throughout the city are often dry and chilly. Weather in May »Weather in June
June initiates the coldest stretch of weather for the year in Ayacucho. Drawn from May's conditions, June sees a further dip in both temperature and precipitation. A scarcity of rainfall, down to just 9mm (0.35"), marks the driest month in Ayacucho. Weather in June »Weather in July
July in Ayacucho mirrors the weather conditions set in June. Marking a consistent span in the yearly weather calendar, July leads with similar cold and dry conditions to June. The rainy days dip further to a slight 5mm (0.2") rainfall, underscoring the persistently arid conditions. Weather in July »Weather in August
The weather patterns shift mildly as Ayacucho experiences August. Compared to July, August depicts a slight increase in temperatures. Rainfall is still minimal, at approximately 6mm (0.24"), maintaining predominantly dry conditions throughout the month. Weather in August »Weather in September
September in Ayacucho brings a distinct shift away from the cooler, drier months. Contrasted against August, this month has a slight upswing in temperatures and precipitation levels. Rainfall values increase to 19mm (0.75") making it slightly wetter than most of the year's previous months. Weather in September »Weather in October
Marking the start of the shift towards warmer and wetter conditions, October in Ayacucho is a changeable month. Distinct from September, both temperatures and rainfall amounts increase noticeably. A rise in precipitation to 70mm (2.76") signals the initiation of the rainy season in this Peruvian city. Weather in October »Weather in November
November in Ayacucho is typified by its humid and wet climate. Unlike in October, the volume of rainfall leaps to a substantial 89mm (3.5"). November precipitation ushers in the high-water season, hence a time to experience the incredible lushness of the city's parklands. Weather in November »Weather in December
December in Ayacucho is categorized by prevalent rainfall and a slight increase in warmth. This period denotes the peak rainy season, building upon November's existing high rainfall which significantly heightens to 140mm (5.51"). Weather in December »Updated: Aug 18, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Ayacucho, Peru, during the entire year, the rain falls for 217.5 days and collects up to 756mm (29.76") of precipitation.
Months with snowfall are January, April through August and October.
In Ayacucho, during the entire year, snow falls for 4.3 days and aggregates up to 23mm (0.91") of snow.
January through September and December, with an average maximum UV index of 3, are months with the lowest UV index.
In Ayacucho, snow does not fall in February, March, September, November and December.
March is the most humid month, with an average relative humidity of 80%.
April is the month with the most snowfall. Snow falls for 1.3 days and accumulates 6mm (0.24") of snow.
April has the least sunshine of the year, with an average of 7h of sunshine.
The month with the shortest days is June, with an average of 11h and 24min of daylight.
Ayacucho's temperature records reveal July as the coldest month, marked by average highs of 13.3°C (55.9°F) and lows of 3.1°C (37.6°F).
The month with the least rainfall is July, when the rain falls for 6.1 days and typically collects 5mm (0.2") of precipitation.
August is the least humid month in Ayacucho, with an average relative humidity of 67%.
The months with the highest UV index are October and November, with an average maximum UV index of 4.
November is the warmest month of the year, registering average temperatures as high as 15.7°C (60.3°F) and as low as 7.6°C (45.7°F).
November and December, with an average of 10.6h of sunshine, are months with the most sunshine.
The month with the most rainfall is December, when the rain falls for 27.9 days and typically aggregates up to 140mm (5.51") of precipitation.
December has the longest days of the year, with an average of 12h and 54min of daylight.
Ayacucho does not observe Daylight Saving Time (DST). -05 timezone is used over the entire year.
Average temperature
Ayacucho, Peru
The warmest month (with the highest average high temperature) is November (15.7°C).
The month with the lowest average high temperature is July (13.3°C).
The month with the highest average low temperature is November (7.6°C).
The coldest month (with the lowest average low temperature) is July (3.1°C).
Average pressure
Ayacucho, Peru
- Average pressure in January:
1016.1mbar - Average pressure in February:
1016mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1017.7mbar - Average pressure in May:
1018.5mbar - Average pressure in June:
1019.4mbar
- Average pressure in July:
1019.4mbar - Average pressure in August:
1019mbar - Average pressure in September:
1018.1mbar - Average pressure in October:
1016.2mbar - Average pressure in November:
1014.8mbar - Average pressure in December:
1015.3mbar
The months with the highest atmospheric pressure are June and July (1019.4mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed
Ayacucho, Peru
- Average wind speed in January:
7.4km/h - Average wind speed in February:
7km/h - Average wind speed in March:
7.2km/h - Average wind speed in April:
6.9km/h - Average wind speed in May:
6.6km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
6.9km/h - Average wind speed in August:
7.6km/h - Average wind speed in September:
8.4km/h - Average wind speed in October:
8.1km/h - Average wind speed in November:
7.8km/h - Average wind speed in December:
7.4km/h
The windiest month (with the highest average wind speed) is September (8.4km/h).
The calmest months (with the lowest average wind speed) are May and June (6.6km/h).
Average humidity
Ayacucho, Peru
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall
Ayacucho, Peru
The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days
Ayacucho, Peru
- Average rainfall days in January:
27.9 days - Average rainfall days in February:
25.8 days - Average rainfall days in March:
25.7 days - Average rainfall days in April:
18.9 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
7.9 days
- Average rainfall days in July:
6.1 days - Average rainfall days in August:
4.9 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
23.7 days - Average rainfall days in November:
24.1 days - Average rainfall days in December:
27.9 days
The months with the highest number of rainy days are January and December (27.9 days).
The month with the least rainy days is August (4.9 days).
Average snowfall
Ayacucho, Peru
The month with the highest snowfall is April (6mm).
The months with the least snowfall are February, March, September, November and December (0mm).
Average snowfall days
Ayacucho, Peru
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0.9 days
- Average snowfall days in July:
0.3 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0.3 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 April (1.3 days).
The months with the least snowfall days are November and December (0 days).
Average daylight / Average sunshine
Ayacucho, Peru
- Average daylight in January:
12h and 48min - Average daylight in February:
12h and 30min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 48min - Average daylight in May:
11h and 30min - Average daylight in June:
11h and 24min
- Average daylight in July:
11h and 24min - Average daylight in August:
11h and 42min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 24min - Average daylight in November:
12h and 42min - Average daylight in December:
12h and 54min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in January:
10h and 18min - Average sunshine in February:
9h and 54min - Average sunshine in March:
8h and 30min - Average sunshine in April:
7h and 0min - Average sunshine in May:
7h and 24min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
7h and 24min - Average sunshine in September:
9h and 24min - Average sunshine in October:
9h and 12min - Average sunshine in November:
10h and 36min - Average sunshine in December:
10h and 36min
The months with the most sunshine are November and December (Average sunshine: 10h and 36min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).
Average sunshine days
Ayacucho, Peru
- Average sunshine days in January:
1.4 days - Average sunshine days in February:
1.1 days - Average sunshine days in March:
3.1 days - Average sunshine days in April:
6.9 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
23.6 days - Average sunshine days in August:
24.4 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
3.2 days - Average sunshine days in November:
2.3 days - Average sunshine days in December:
1.4 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is February (1.1 days).
Average UV index
Ayacucho, Peru
The months with the highest UV index are October and November (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 3).
Average cloud cover
Ayacucho, Peru
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Ayacucho, Peru
The months with the highest visibility are August, September and October (10km).
The month with the lowest visibility is April (8km).
