May weather forecastSan Marcos, Peru
May
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).Temperature
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. San Marcos registers a consistent average low-temperature of 5.9°C (42.6°F) during May.Humidity
In San Marcos, Peru, the average relative humidity in May is 81%.Rainfall
In San Marcos, in May, during 24 rainfall days, 70mm (2.76") of precipitation is typically accumulated. 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 in San Marcos, Peru. In San Marcos, in May, during 0.6 snowfall days, 1mm (0.04") of snow is typically accumulated. Throughout the year, there are 10.7 snowfall days, and 76mm (2.99") of snow is accumulated.Daylight
In San Marcos, the average length of the day in May is 11h and 47min.On the first day of May, sunrise is at 06:14 and sunset at 18:05. On the last day of the month, sunrise is at 06:18 and sunset at 18:02 -05.
Sunshine
The average sunshine in May in San Marcos is 8.4h.UV index
The months with the lowest UV index are January through August, October and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during May translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Marcos, Peru
- Average high temperature in May: 15.2°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 May: 5.9°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 May
San Marcos, Peru
- Average pressure in May: 1015.4mbar
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 May
San Marcos, Peru
- Average wind speed in May: 8.2km/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 May
San Marcos, Peru
- Average humidity in May: 81%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
San Marcos, Peru
- Average rainfall in May: 70mm
The wettest month (with the highest rainfall) is March (238mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in May
San Marcos, Peru
- Average rainfall days in May: 24 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 May
San Marcos, Peru
- Average snowfall in May: 1mm
The month with the highest snowfall is November (19mm).
The months with the least snowfall are August and September (0mm).
Average snowfall days in May
San Marcos, Peru
- Average snowfall days in May: 0.6 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 May /
Average sunshine in May
San Marcos, Peru
- Average daylight in May: 11h and 48min
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 May: 8h and 24min
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 May
San Marcos, Peru
- Average sunshine days in May: 2.8 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 May
San Marcos, Peru
- Average UV index in May: 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 May
San Marcos, Peru
- Average cloud cover in May: 41
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 May
San Marcos, Peru
- Average visibility in May: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).





