May weather forecast
Siltepec, Mexico

May

Weather in May

May, the last month of the spring in Siltepec, is another warm month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 17.1°C (62.8°F).

Temperature

Stepping into May, Siltepec records an average high-temperature of a still moderately hot 28.7°C (83.7°F), almost consistent with April. Siltepec records an average temperature drop to a refreshing 17.1°C (62.8°F) in May.

Heat index

The heat index value for May is evaluated at a tropical 32°C (89.6°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In May, the average relative humidity in Siltepec is 70%.

Rainfall

In May, the rain falls for 21.4 days. Throughout May, 135mm (5.31") of precipitation is accumulated. In Siltepec, during the entire year, the rain falls for 204.7 days and collects up to 1183mm (46.57") of precipitation.

Daylight

In May, the average length of the day is 12h and 52min.
On the first day of May in Siltepec, sunrise is at 5:45 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 6:36 pm CST.

Sunshine

The average sunshine in May in Siltepec is 11.2h.

UV index

March through July, with an average maximum UV index of 6, are months with the highest UV index in Siltepec. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 6 transforms into these recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

How hot is May in Siltepec?
May temperatures in Siltepec, Mexico, vary between a high-temperature of 28.7°C (83.7°F) and a low-temperature of 17.1°C (62.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in May is evaluated at 32°C (89.6°F).
What is the average humidity in May in Siltepec?
The average relative humidity in May in Siltepec, Mexico, is 70%.
How much does it rain in Siltepec in May?
In Siltepec, Mexico, in May, during 21.4 rainfall days, 135mm (5.31") of precipitation is typically accumulated.
How many hours of daylight does Siltepec have in May?
The average day length in May is 12h and 52min.
When is the sunrise / sunset in May in Siltepec?
On the first day of May, sunrise is at 5:45 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 6:36 pm CST.
How many hours of sunshine does Siltepec have in May?
The average sunshine duration in May is 11.2h.
What is the month with the highest UV index in Siltepec?
March through July, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in May in Siltepec?
The average daily maximum UV index in May in Siltepec is 6. A UV Index reading of 6 to 7 represents a high health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Siltepec, Mexico
Average temperature in May
Siltepec, Mexico
  • Average high temperature in May: 28.7°C

The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is January (23.7°C).

  • Average low temperature in May: 17.1°C

The month with the highest average low temperature is May (17.1°C).
The coldest month (with the lowest average low temperature) is January (11.4°C).

Average pressure in May - Siltepec, Mexico
Average pressure in May
Siltepec, Mexico
  • Average pressure in May: 1012.6mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).

Average wind speed in May - Siltepec, Mexico
Average wind speed in May
Siltepec, Mexico
  • Average wind speed in May: 4.5km/h

The windiest month (with the highest average wind speed) is July (6.6km/h).
The calmest month (with the lowest average wind speed) is September (4km/h).

Average humidity in May - Siltepec, Mexico
Average humidity in May
Siltepec, Mexico
  • Average humidity in May: 70%

The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is April (63%).

Average rainfall in May - Siltepec, Mexico
Average rainfall in May
Siltepec, Mexico
  • Average rainfall in May: 135mm

The wettest month (with the highest rainfall) is June (242mm).
The driest month (with the least rainfall) is December (10mm).

Average rainfall days in May - Siltepec, Mexico
Average rainfall days in May
Siltepec, Mexico
  • Average rainfall days in May: 21.4 days

The month with the highest number of rainy days is September (26.9 days).
The month with the least rainy days is December (7.1 days).

Average daylight in May / Average sunshine in May - Siltepec, Mexico
Average daylight in May /
Average sunshine in May
Siltepec, Mexico
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).

Average sunshine days in May - Siltepec, Mexico
Average sunshine days in May
Siltepec, Mexico
  • Average sunshine days in May: 8 days

The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is September (2.1 days).

Average UV index in May - Siltepec, Mexico
Average UV index in May
Siltepec, Mexico
  • Average UV index in May: 6

The months with the highest UV index are March, April, May, June and July (UV index 6).
The months with the lowest UV index are January, February, August, September, October, November and December (UV index 5).

Average cloud cover in May - Siltepec, Mexico
Average cloud cover in May
Siltepec, Mexico
  • Average cloud cover in May: 31

The month with the most cloud cover is September (Cloud cover 45).
The month with the least cloud cover is March (Cloud cover 19).

Average visibility in May - Siltepec, Mexico
Average visibility in May
Siltepec, Mexico
  • Average visibility in May: 9km

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

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