Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the advent of October, San Marcos's high-temperatures adjust to a still refreshing 15.5°C (59.9°F), closely aligning with the preceding month. Nighttime temperatures in October average to a chilly 7°C (44.6°F).Humidity
The average relative humidity in October is 76%.Rainfall
In San Marcos, during October, the rain falls for 26 days and regularly aggregates up to 142mm (5.59") of precipitation. In San Marcos, during the entire year, the rain falls for 274.3 days and collects up to 1378mm (54.25") of precipitation.Snowfall
January through July, October through December are months with snowfall. October is the first month it typically snows in San Marcos. Throughout October, in the average 1.7 snowfall days, it receives 18mm (0.71") of snow. Throughout the year, there are 10.7 snowfall days, and 76mm (2.99") of snow is accumulated.Daylight
In October, the average length of the day in San Marcos is 12h and 16min.On the first day of October in San Marcos, sunrise is at 05:56 and sunset at 18:07. On the last day of the month, sunrise is at 05:45 and sunset at 18:07 -05.
Sunshine
With an average of 10.1h of sunshine, October has the most sunshine of the year.UV index
January through August, October and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In October, an average UV index of 3 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in San Marcos?
What is the average humidity in October in San Marcos?
How much does it rain in San Marcos in October?
When does it start to snow in San Marcos?
What is the average length of the day in October in San Marcos?
When are sunrise and sunset in October in San Marcos?
What month has the most sunshine in San Marcos?
How many hours of sunshine does San Marcos have in October?
When is the lowest UV index in San Marcos?
How high is the UV index in October in San Marcos?
Average temperature in October
San Marcos, Peru
- Average high temperature in October: 15.5°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The months with the lowest average high temperature are February and March (14.1°C).
- Average low temperature in October: 7°C
The month with the highest average low temperature is March (7.3°C).
The coldest month (with the lowest average low temperature) is July (4.7°C).
Average pressure in October
San Marcos, Peru
- Average pressure in October: 1014.4mbar
The month with the highest atmospheric pressure is July (1016.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in October
San Marcos, Peru
- Average wind speed in October: 7.2km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is March (6.2km/h).
Average humidity in October
San Marcos, Peru
- Average humidity in October: 76%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall in October
San Marcos, Peru
- Average rainfall in October: 142mm
The wettest month (with the highest rainfall) is March (238mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in October
San Marcos, Peru
- Average rainfall days in October: 26 days
The month with the highest number of rainy days is March (30 days).
The month with the least rainy days is August (10.9 days).
Average snowfall in October
San Marcos, Peru
- Average snowfall in October: 18mm
The month with the highest snowfall is November (19mm).
The months with the least snowfall are August and September (0mm).
Average snowfall days in October
San Marcos, Peru
- Average snowfall days in October: 1.7 days
The month with the highest number of snowfall days is October (1.7 days).
The month with the least snowfall days is September (0 days).
Average daylight in October /
Average sunshine in October
San Marcos, Peru
- Average daylight in October: 12h and 2min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in October: 10h and 1min
The month with the most sunshine is October (Average sunshine: 10h and 6min).
The month with the least sunshine is March (Average sunshine: 5h and 54min).
Average sunshine days in October
San Marcos, Peru
- Average sunshine days in October: 3.1 days
The month with the most sunshine days is July (16 days).
The months with the least sunshine days are February and March (0.3 days).
Average UV index in October
San Marcos, Peru
- Average UV index in October: 3
The months with the highest UV index are September and November (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October and December (UV index 3).
Average cloud cover in October
San Marcos, Peru
- Average cloud cover in October: 42
The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in October
San Marcos, Peru
- Average visibility in October: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
San Marcos, Peru
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