May weather forecast
Cross Keys, LA

Share

Weather in May

The last month of the spring, May, is another warm month in Cross Keys, Louisiana, with an average temperature ranging between min 64.4°F (18°C) and max 83.1°F (28.4°C).

Temperature

May showcases a minor temperature ascent, adjusting from April's 75.6°F (24.2°C) to a still warm 83.1°F (28.4°C). In Cross Keys, May is marked by an average low-temperature of 64.4°F (18°C).

Heat index

The heat index value during May is evaluated at a hot 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In May, the average relative humidity is 77%.

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. In Cross Keys, Louisiana, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

In Cross Keys, snow does not fall in April through December.

Daylight

In Cross Keys, the average length of the day in May is 13h and 48min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:46 pm. On the last day of May, sunrise is at 6:00 am and sunset at 8:06 pm CDT.

Sunshine

In May, the average sunshine in Cross Keys is 9.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

During May, Cross Keys experiences an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 64.4°F (18°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in May is evaluated at 91.4°F (33°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How many days does it rain in May?

In Cross Keys, Louisiana, in May, during 13.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow?

April through December are months without snowfall.

How many hours of daylight does Cross Keys have in May?

In Cross Keys, the average day length in May is 13h and 48min.

When is the sunrise / sunset in May in Cross Keys?

In May, on the first day of the month, sunrise is at 6:18 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:06 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 9.9h.

What is the UV index reading in May?

In Cross Keys, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cross Keys, LA

Average temperature in May - Cross Keys, LA
  • Average high temperature in May: 83.1°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in May: 64.4°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in May
Cross Keys, LA

Average pressure in May - Cross Keys, LA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Cross Keys, LA

Average wind speed in May - Cross Keys, LA
  • Average wind speed in May: 6.4mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

Average humidity in May
Cross Keys, LA

Average humidity in May - Cross Keys, LA
  • Average humidity in May: 77%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Cross Keys, LA

Average rainfall in May - Cross Keys, LA
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in May
Cross Keys, LA

Average rainfall days in May - Cross Keys, LA
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in May
Cross Keys, LA

Average snowfall in May - Cross Keys, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Cross Keys, LA

Average snowfall days in May - Cross Keys, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Cross Keys, LA

Average daylight in May / Average sunshine in May - Cross Keys, LA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in May
Cross Keys, LA

Average sunshine days in May - Cross Keys, LA
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in May
Cross Keys, LA

Average UV index in May - Cross Keys, LA
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May
Cross Keys, LA

Average cloud cover in May - Cross Keys, LA
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in May
Cross Keys, LA

Average visibility in May - Cross Keys, LA
  • Average visibility in May: 6mi

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

Cross Keys, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location