May weather forecast
Sibley, LA

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Weather in May

The last month of the spring, May, is another warm month in Sibley, Louisiana, with an average temperature varying between 84.7°F (29.3°C) and 63.1°F (17.3°C).

Temperature

In May, the average high-temperature marginally rises from 75.9°F (24.4°C) in April to a still warm 84.7°F (29.3°C). Sibley reports a marked divergence from daytime peaks throughout May, with lows averaging at a refreshing 63.1°F (17.3°C).

Heat index

May's mean heat index is computed to be a tropical 93.2°F (34°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Sibley, in May, during 15.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Sibley, during the entire year, the rain falls for 162 days and collects up to 39.37" (1000mm) of precipitation.

Snowfall

April through November are months without snowfall in Sibley.

Daylight

In May, the average length of the day is 13h and 50min.
On the first day of May, sunrise is at 6:25 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:15 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is May?

In Sibley, 84.7°F (29.3°C) is the average high-temperature and 63.1°F (17.3°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 93.2°F (34°C).

What is the average humidity in May?

The average relative humidity in May is 74%.

How many days does it rain in May?

In Sibley, Louisiana, during May, the rain falls for 15.3 days and regularly aggregates up to 3.7" (94mm) of precipitation.

When it does not snow?

In Sibley, snow does not fall in April through November.

How many hours of daylight does Sibley have in May?

The average day length in May is 13h and 50min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:25 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:15 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.3h.

What is the UV index reading in May?

In Sibley, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
Sibley, LA

Average temperature in May - Sibley, LA
  • Average high temperature in May: 84.7°F

The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in May: 63.1°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in May
Sibley, LA

Average pressure in May - Sibley, LA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Sibley, LA

Average wind speed in May - Sibley, LA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).

Average humidity in May
Sibley, LA

Average humidity in May - Sibley, LA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).

Average rainfall in May
Sibley, LA

Average rainfall in May - Sibley, LA
  • Average rainfall in May: 3.7"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in May
Sibley, LA

Average rainfall days in May - Sibley, LA
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is October (10.2 days).

Average snowfall in May
Sibley, LA

Average snowfall in May - Sibley, LA
  • Average snowfall in May: 0"

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

Average snowfall days in May
Sibley, LA

Average snowfall days in May - Sibley, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Sibley, LA

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in May
Sibley, LA

Average sunshine days in May - Sibley, LA
  • Average sunshine days in May: 14 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (12.9 days).

Average UV index in May
Sibley, LA

Average UV index in May - Sibley, 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
Sibley, LA

Average cloud cover in May - Sibley, LA
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).

Average visibility in May
Sibley, LA

Average visibility in May - Sibley, LA
  • Average visibility in May: 6mi

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

Sibley, Louisiana, USA

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