April weather forecast and climate
Piedras Negras, Mexico

April is a tropical spring month in Piedras Negras, Mexico, with average temperature ranging between max 30.1°C (86.2°F) and min 17.8°C (64°F).

Temperature

In Piedras Negras, the average high-temperature marginally rises, from a warm 25.9°C (78.6°F) in March, to a tropical 30.1°C (86.2°F). In April, the average low-temperature is 17.8°C (64°F).

Heat index

The average heat index is evaluated at a tropical 31.5°C (88.7°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, clothing, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Piedras Negras, the average relative humidity in April is 52%.

Rainfall

In Piedras Negras, it is raining for 8.3 days, with typically 23mm (0.91") of accumulated precipitation. In Piedras Negras, Mexico, during the entire year, the rain falls for 89.7 days and collects up to 341mm (13.43") of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

In Piedras Negras, the average length of the day in April is 12.9h.

Sunshine

In April, the average sunshine is 8.2h.

UV index

In Piedras Negras, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in April in Piedras Negras?

In Piedras Negras, in April, the average high-temperature is 30.1°C (86.2°F), and the average low-temperature is 17.8°C (64°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in April is estimated at 31.5°C (88.7°F).

What is the average humidity in April in Piedras Negras?

The average relative humidity in April in Piedras Negras, Mexico, is 52%.

How many days does it rain in April in Piedras Negras?

In Piedras Negras, Mexico, in April, it is raining for 8.3 days, with typically 23mm (0.91") of accumulated precipitation.

When it does not snow in Piedras Negras?

January through November are months without snowfall in Piedras Negras, Mexico.

How many hours of daylight does Piedras Negras have in April?

In Piedras Negras, the average length of the day in April is 12.9h.

How long on average sun shines in April in Piedras Negras?

In April, the average sunshine in Piedras Negras, Mexico, is 8.2h.

What is the UV index reading in April in Piedras Negras?

In Piedras Negras, Mexico, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in April - Piedras Negras, Mexico
  • Average high temperature in April: 30.1°C

The warmest month (with the highest average high temperature) is August (37.2°C).
The month with the lowest average high temperature is January (18.3°C).

  • Average low temperature in April: 17.8°C

The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).

Average pressure in April - Piedras Negras, Mexico
  • Average pressure in April: 1012.3mbar

The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).

Average wind speed in April - Piedras Negras, Mexico
  • Average wind speed in April: 17.8km/h

The windiest month (with the highest average wind speed) is June (18.8km/h).
The calmest month (with the lowest average wind speed) is December (12.4km/h).

Average humidity in April - Piedras Negras, Mexico
  • Average humidity in April: 52%

The month with the highest relative humidity is November (60%).
The month with the lowest relative humidity is August (47%).

Average rainfall in April - Piedras Negras, Mexico
  • Average rainfall in April: 23mm

The wettest month (with the highest rainfall) is May (75mm).
The driest months (with the least rainfall) are January and February (8mm).

Average rainfall days in April - Piedras Negras, Mexico
  • Average rainfall days in April: 8.3 days

The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in April - Piedras Negras, Mexico
  • Average snowfall in April: 0mm

The month with the highest snowfall is December (1mm).
Months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in April - Piedras Negras, Mexico
  • Average snowfall days in April: 0 days

Months with the highest number of snowfall days are January, February and December (0.1 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in April / Average sunshine in April - Piedras Negras, Mexico
  • Average daylight in April: 12.9h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in April: 8.2h

The month with the most sunshine is June (Average sunshine: 11.1h).
The month with the least sunshine is November (Average sunshine: 6h).

Average sunshine days in April - Piedras Negras, Mexico
  • Average sunshine days in April: 20.4 days

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is September (14.7 days).

Average UV index in April - Piedras Negras, Mexico
  • Average UV index in April: 6

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 4).

Average cloud cover in April - Piedras Negras, Mexico
  • Average cloud cover in April: 28

The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in April - Piedras Negras, Mexico
  • Average visibility in April: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).