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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- 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
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing summer month in San Marcos, Peru, with an average temperature varying between 7°C (44.6°F) and 14.3°C (57.7°F). As San Marcos, Peru, welcomes January, the average high-temperature records at a still mild 14.3°C (57.7°F), marking an insignificant deviation from the prior month. Weather in January »
Weather in February
February, the last month of the summer in San Marcos, is another refreshing month, with an average temperature fluctuating between 7°C (44.6°F) and 14.1°C (57.4°F). February and March bring San Marcos's lowest average temperatures, reaching a high of 14.1°C (57.4°F). Weather in February »
Weather in March
March, the first month of the autumn in San Marcos, is still a mild month, with temperature in the range of an average high of 14.1°C (57.4°F) and an average low of 7.3°C (45.1°F). February and March are known as San Marcos's coldest months, with an average high-temperature of 14.1°C (57.4°F). Weather in March »
Weather in April
April, the same as March, in San Marcos, Peru, is another mild autumn month, with temperature in the range of an average low of 6.7°C (44.1°F) and an average high of 14.6°C (58.3°F). The introduction of April sees an average high-temperature of a still moderate 14.6°C (58.3°F), hardly deviating from March. Weather in April »
Weather in May
May, the last month of the autumn in San Marcos, is also a moderate month, with an average temperature varying between 15.2°C (59.4°F) and 5.9°C (42.6°F). The transition into May notes an average high-temperature of a still refreshing 15.2°C (59.4°F), revealing a mild distinction from the 14.6°C (58.3°F) in April. Weather in May »
Weather in June
June, the first month of the winter in San Marcos, is still a mild month, with an average temperature ranging between max 15.5°C (59.9°F) and min 4.8°C (40.6°F). June's advent denotes a minor fluctuation in the average high-temperature to a still moderate 15.5°C (59.9°F) from May's 15.2°C (59.4°F). Weather in June »
Weather in July
July, like June, is another mild winter month in San Marcos, Peru, with an average temperature fluctuating between 4.7°C (40.5°F) and 15.9°C (60.6°F). San Marcos records an average high-temperature of a still refreshing 15.9°C (60.6°F) as July arrives, nearly mirroring the previous month's climate. Weather in July »
Weather in August
The last month of the winter, August, is a refreshing month in San Marcos, Peru, with an average temperature varying between 16.6°C (61.9°F) and 5.2°C (41.4°F). Temperature readings reach their annual highs in August, averaging 16.6°C (61.9°F) and a minimum average of 5.2°C (41.4°F). Weather in August »
Weather in September
The first month of the spring, September, is also an enjoyable month in San Marcos, Peru, with an average temperature varying between 16.3°C (61.3°F) and 6.3°C (43.3°F). The advent of September brings an average high-temperature of a still comfortable 16.3°C (61.3°F), exhibiting minor difference from the previous month. Weather in September »
Weather in October
October, like September, is a moderate spring month in San Marcos, Peru, with temperature in the range of an average low of 7°C (44.6°F) and an average high of 15.5°C (59.9°F). 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. Weather in October »
Weather in November
November, the last month of the spring in San Marcos, is another refreshing month, with temperature in the range of an average low of 6.6°C (43.9°F) and an average high of 15.4°C (59.7°F). The transition from October to November sees average high-temperatures adjusting to a still refreshing 15.4°C (59.7°F), from a not significantly different 15.5°C (59.9°F). Weather in November »
Weather in December
December, the first month of the summer in San Marcos, is still a refreshing month, with temperature in the range of an average high of 14.6°C (58.3°F) and an average low of 6.8°C (44.2°F). The start of December sees the average high-temperature at a still refreshing 14.6°C (58.3°F), showing little difference from November's 15.4°C (59.7°F). Weather in December »
Updated: Jan 29, 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
How much does it rain in San Marcos?
In San Marcos, Peru, during the entire year, the rain falls for 274.3 days and collects up to 1378mm (54.25") of precipitation.
When does it snow in San Marcos?
Months with snowfall in San Marcos are January through July, October through December.
How many days does it snow in San Marcos?
In San Marcos, Peru, during the entire year, snow falls for 10.7 days and aggregates up to 76mm (2.99") of snow.
What is the month with the lowest UV index in San Marcos?
January through August, October and December, with an average maximum UV index of 3, are months with the lowest UV index in San Marcos, Peru.
What month is the coldest in San Marcos?
February and March are identified as the coldest months, with an average high-temperature of 14.1°C (57.4°F).
What is the most humid month in San Marcos?
With an average relative humidity of 87%, March is the most humid month.
What is the wettest month in San Marcos?
The month with the most rainfall in San Marcos is March, when the rain falls for 30 days and typically aggregates up to 238mm (9.37") of precipitation.
What is the month with the least sunshine in San Marcos?
March has the least sunshine of the year in San Marcos, with an average of 5.9h of sunshine.
What is the month with the shortest days in San Marcos?
June has the shortest days of the year in San Marcos, Peru, with an average of 11h and 42min of daylight.
What is the warmest month in San Marcos?
August, with its high-temperature average of 16.6°C (61.9°F) and a low-temperature average of 5.2°C (41.4°F), is the warmest month.
What is the least humid month in San Marcos?
With an average relative humidity of 68%, August is the least humid month.
What is the driest month in San Marcos?
August is the month with the least rainfall in San Marcos. Rain falls for 10.9 days and accumulates 20mm (0.79") of precipitation.
When it does not snow in San Marcos?
August and September are months without snowfall.
What are the months with the highest UV index in San Marcos?
The months with the highest UV index in San Marcos are September and November, with an average maximum UV index of 4.
What month has the most sunshine in San Marcos?
With an average of 10.1h of sunshine, October has the most sunshine of the year in San Marcos, Peru.
When does it snow the most in San Marcos?
November is the month with the most snowfall in San Marcos. Snow falls for 1.2 days and accumulates 19mm (0.75") of snow.
When are the longest days in San Marcos?
With an average of 12h and 30min of daylight, December has the longest days of the year in San Marcos.
Is there Daylight Saving Time (DST) in San Marcos?
San Marcos does not utilize Daylight Saving Time (DST). -05 timezone is used over the entire year.
Average temperature
San Marcos, Peru
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).
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
San Marcos, Peru
- Average pressure in January:
1014mbar - Average pressure in February:
1013.7mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1016.3mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1015.6mbar - Average pressure in October:
1014.4mbar - Average pressure in November:
1013.4mbar - Average pressure in December:
1013.7mbar
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
San Marcos, Peru
- Average wind speed in January:
6.7km/h - Average wind speed in February:
6.3km/h - Average wind speed in March:
6.2km/h - Average wind speed in April:
7.2km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
11.8km/h
- Average wind speed in July:
12.8km/h - Average wind speed in August:
12km/h - Average wind speed in September:
10.4km/h - Average wind speed in October:
7.2km/h - Average wind speed in November:
6.3km/h - Average wind speed in December:
6.8km/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
San Marcos, Peru
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall
San Marcos, Peru
- Average rainfall in January:
164mm - Average rainfall in February:
190mm - Average rainfall in March:
238mm - Average rainfall in April:
141mm - Average rainfall in May:
70mm - Average rainfall in June:
30mm
The wettest month (with the highest rainfall) is March (238mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days
San Marcos, Peru
- Average rainfall days in January:
29.5 days - Average rainfall days in February:
27.3 days - Average rainfall days in March:
30 days - Average rainfall days in April:
27.4 days - Average rainfall days in May:
24 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
10.9 days - Average rainfall days in September:
20.3 days - Average rainfall days in October:
26 days - Average rainfall days in November:
23.6 days - Average rainfall days in December:
28.3 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
San Marcos, Peru
The month with the highest snowfall is November (19mm).
The months with the least snowfall are August and September (0mm).
Average snowfall days
San Marcos, Peru
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0.7 days
- Average snowfall days in July:
1.6 days - Average snowfall days in August:
0.3 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.7 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
0.7 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 / Average sunshine
San Marcos, Peru
- Average daylight in January:
12h and 3min - Average daylight in February:
12h and 2min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 5min - Average daylight in May:
11h and 5min - Average daylight in June:
11h and 4min
- Average daylight in July:
11h and 4min - Average daylight in August:
11h and 5min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 2min - Average daylight in November:
12h and 3min - Average daylight in December:
12h and 3min
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 January:
6h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 4min - Average sunshine in October:
10h and 1min - Average sunshine in November:
9h and 5min - Average sunshine in December:
8h and 4min
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
San Marcos, Peru
- Average sunshine days in January:
0.7 days - Average sunshine days in February:
0.3 days - Average sunshine days in March:
0.3 days - Average sunshine days in April:
1.3 days - Average sunshine days in May:
2.8 days - Average sunshine days in June:
9 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
6.5 days - Average sunshine days in October:
3.1 days - Average sunshine days in November:
4.2 days - Average sunshine days in December:
1.7 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
San Marcos, Peru
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
San Marcos, Peru
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
San Marcos, Peru
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).
