October weather forecast
Ayacucho, Peru

October

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. Amid the moist conditions, opportunities to witness beautiful, cloud-filled skies are plentiful. November promises more significant increases in rainfall and temperature.

Temperature

A minimal variation is noted in Ayacucho's average high-temperature at the onset of October, reaching a still mild 15°C (59°F) from September's 14.4°C (57.9°F). An average low-temperature of 7.1°C (44.8°F) is observed during the October nights.

Humidity

The average relative humidity in October is 68%.

Rainfall

In Ayacucho, in October, it is raining for 23.7 days, with typically 70mm (2.76") of accumulated precipitation. In Ayacucho, Peru, during the entire year, the rain falls for 217.5 days and collects up to 756mm (29.76") of precipitation.

Snowfall

Months with snowfall are January, April through August and October. October is the first month it typically snows in Ayacucho. Throughout October, in the average 0.3 snowfall days, it receives 4mm (0.16") of snow. In Ayacucho, during the entire year, snow falls for 4.3 days and aggregates up to 23mm (0.91") of snow.

Daylight

In October, the average length of the day in Ayacucho is 12h and 24min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:53. On the last day of October, sunrise is at 05:23 and sunset at 17:57 -05.

Sunshine

The average sunshine in October is 9.2h.

UV index

The months with the highest UV index are October and November, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 4 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in October?
In October, the average high-temperature and low-temperature are 15°C (59°F) and 7.1°C (44.8°F) respectively.
What is the average humidity in October?
In October, the average relative humidity is 68%.
How much does it rain in October?
In Ayacucho, Peru, during October, the rain falls for 23.7 days and regularly aggregates up to 70mm (2.76") of precipitation.
When does it start to snow?
October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 4mm (0.16") of snow.
What is the average length of the day in October?
In October, the average day length is 12h and 24min.
What time are sunrise and sunset in October?
In October, on the first day of the month, sunrise is at 05:39 and sunset at 17:53. On the last day of the month, sunrise is at 05:23 and sunset at 17:57 -05.
How many hours of sunshine does Ayacucho have in October?
In Ayacucho, the average sunshine duration in October is 9.2h.
What are the months with the highest UV index?
The months with the highest UV index are October and November, with an average maximum UV index of 4.
What is the UV index intensity in October?
In Ayacucho, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in October
Ayacucho, Peru
  • Average high temperature in October: 15°C

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).

  • Average low temperature in October: 7.1°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 in October
Ayacucho, Peru
  • Average pressure in October: 1016.2mbar

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 in October
Ayacucho, Peru
  • Average wind speed in October: 8.1km/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 in October
Ayacucho, Peru
  • Average humidity in October: 68%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (67%).

Average rainfall in October
Ayacucho, Peru
  • Average rainfall in October: 70mm

The wettest month (with the highest rainfall) is December (140mm).
The driest month (with the least rainfall) is July (5mm).

Average rainfall days in October
Ayacucho, Peru
  • Average rainfall days in October: 23.7 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 in October
Ayacucho, Peru
  • Average snowfall in October: 4mm

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 in October
Ayacucho, Peru
  • Average snowfall days in October: 0.3 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 in October /
Average sunshine in October
Ayacucho, Peru
  • Average daylight in October: 12h and 2min

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 October: 9h and 1min

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 in October
Ayacucho, Peru
  • Average sunshine days in October: 3.2 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 in October
Ayacucho, Peru
  • Average UV index in October: 4

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 in October
Ayacucho, Peru
  • Average cloud cover in October: 30

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 in October
Ayacucho, Peru
  • Average visibility in October: 10km

The months with the highest visibility are August, September and October (10km).
The month with the lowest visibility is April (8km).

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