May weather forecast
San Martín Zacatepec, Mexico

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Weather in May

The last month of the spring, May, is also a moderately hot month in San Martín Zacatepec, Mexico, with an average temperature ranging between max 26.3°C (79.3°F) and min 14.5°C (58.1°F).

Temperature

As May takes its course, San Martín Zacatepec's average high-temperature registers at a still moderately hot 26.3°C (79.3°F), closely aligning with the preceding month. Nighttime temperatures consistently average a refreshing 14.5°C (58.1°F) during May.

Humidity

The average relative humidity in May is 63%.

Rainfall

In San Martín Zacatepec, in May, during 18.8 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In San Martín Zacatepec, during the entire year, the rain falls for 185.5 days and collects up to 866mm (34.09") of precipitation.

Daylight

In May, the average length of the day is 12h and 58min.
On the first day of May in San Martín Zacatepec, sunrise is at 6:05 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:03 pm CST.

Sunshine

May has the most sunshine of the year in San Martín Zacatepec, with an average of 10.8h of sunshine.

UV index

In May, the average daily maximum UV index in San Martín Zacatepec is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Feb 9, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for San Martín Zacatepec in May?

In May, the average high-temperature and low-temperature are 26.3°C (79.3°F) and 14.5°C (58.1°F) respectively. In April, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 28°C (82.4°F).

What is the average humidity in May in San Martín Zacatepec?

In San Martín Zacatepec, the average relative humidity in May is 63%.

How much does it rain in San Martín Zacatepec in May?

In San Martín Zacatepec, Mexico, in May, it is raining for 18.8 days, with typically 82mm (3.23") of accumulated precipitation.

What is the average length of the day in May in San Martín Zacatepec?

In May, the average day length in San Martín Zacatepec is 12h and 58min.

When are sunrise and sunset in May in San Martín Zacatepec?

In May, on the first day of the month, sunrise is at 6:05 am and sunset at 6:53 pm. On the last day of the month, in San Martín Zacatepec, Mexico, sunrise is at 5:56 am and sunset at 7:03 pm CST.

What month has the most sunshine in San Martín Zacatepec?

The month with the most sunshine is May, with an average of 10.8h of sunshine.

How long on average sun shines in May in San Martín Zacatepec?

In San Martín Zacatepec, the average sunshine duration in May is 10.8h.

How high is the UV index in May in San Martín Zacatepec?

The average daily maximum UV index in May in San Martín Zacatepec is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
San Martín Zacatepec, Mexico

Average temperature in May - San Martín Zacatepec, Mexico
  • Average high temperature in May: 26.3°C

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is January (21.1°C).

  • Average low temperature in May: 14.5°C

The month with the highest average low temperature is May (14.5°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).

Average pressure in May
San Martín Zacatepec, Mexico

Average pressure in May - San Martín Zacatepec, Mexico
  • Average pressure in May: 1013.8mbar

The month with the highest atmospheric pressure is January (1017.7mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).

Average wind speed in May
San Martín Zacatepec, Mexico

Average wind speed in May - San Martín Zacatepec, Mexico
  • Average wind speed in May: 7.2km/h

The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest months (with the lowest average wind speed) are June and September (6.7km/h).

Average humidity in May
San Martín Zacatepec, Mexico

Average humidity in May - San Martín Zacatepec, Mexico
  • Average humidity in May: 63%

The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (56%).

Average rainfall in May
San Martín Zacatepec, Mexico

Average rainfall in May - San Martín Zacatepec, Mexico
  • Average rainfall in May: 82mm

The wettest month (with the highest rainfall) is June (164mm).
The driest month (with the least rainfall) is December (3mm).

Average rainfall days in May
San Martín Zacatepec, Mexico

Average rainfall days in May - San Martín Zacatepec, Mexico
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is September (26.6 days).
The month with the least rainy days is December (4.5 days).

Average daylight in May /
Average sunshine in May
San Martín Zacatepec, Mexico

Average daylight in May / Average sunshine in May - San Martín Zacatepec, Mexico
  • Average daylight in May: 13h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in May: 10h and 5min

The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).

Average sunshine days in May
San Martín Zacatepec, Mexico

Average sunshine days in May - San Martín Zacatepec, Mexico
  • Average sunshine days in May: 8.3 days

The month with the most sunshine days is December (22.2 days).
The months with the least sunshine days are August and September (2 days).

Average UV index in May
San Martín Zacatepec, Mexico

Average UV index in May - San Martín Zacatepec, Mexico
  • Average UV index in May: 5

The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, June, October, November and December (UV index 4).

Average cloud cover in May
San Martín Zacatepec, Mexico

Average cloud cover in May - San Martín Zacatepec, Mexico
  • Average cloud cover in May: 22

The month with the most cloud cover is September (Cloud cover 42).
The months with the least cloud cover are February, March and April (Cloud cover 15).

Average visibility in May
San Martín Zacatepec, Mexico

Average visibility in May - San Martín Zacatepec, Mexico
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The month with the lowest visibility is September (8km).

San Martín Zacatepec, Mexico

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