May weather forecast
Winnsboro, LA

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Weather in May

May, the last month of the spring in Winnsboro, is also a moderately hot month, with an average temperature fluctuating between 64.9°F (18.3°C) and 83.1°F (28.4°C).

Temperature

Winnsboro observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's moderately hot 75.6°F (24.2°C) to a still warm 83.1°F (28.4°C). During the month of May, the temperature falls to an average of 64.9°F (18.3°C).

Heat index

May's average heat index is calculated to be a tropical 89.6°F (32°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In Winnsboro, the average relative humidity in May is 76%.

Rainfall

In Winnsboro, Louisiana, in May, during 15.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Winnsboro, during the entire year, the rain falls for 163.6 days and collects up to 37.48" (952mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in May is 13h and 49min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:47 pm. On the last day of May, sunrise is at 6:01 am and sunset at 8:08 pm CDT.

Sunshine

In Winnsboro, the average sunshine in May is 9.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during May leads to these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

How hot is May in Winnsboro?

In Winnsboro, in May, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in May is calculated to be 89.6°F (32°C).

What is the average humidity in May?

In May, the average relative humidity is 76%.

How many days does it rain in May?

In Winnsboro, in May, during 15.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow?

April through November are months without snowfall in Winnsboro, Louisiana.

What is the average length of the day in May?

In Winnsboro, the average day length in May is 13h and 49min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:19 am and sunset at 7:47 pm. On the last day of the month, in Winnsboro, sunrise is at 6:01 am and sunset at 8:08 pm CDT.

How many hours of sunshine does Winnsboro have in May?

In Winnsboro, the average sunshine duration in May is 9.9h.

What is the UV index reading in May in Winnsboro?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Winnsboro, LA

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

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in May: 64.9°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

Average pressure in May
Winnsboro, LA

Average pressure in May - Winnsboro, 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 (29.95"Hg).

Average wind speed in May
Winnsboro, LA

Average wind speed in May - Winnsboro, LA
  • Average wind speed in May: 6.6mph

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

Average humidity in May
Winnsboro, LA

Average humidity in May - Winnsboro, LA
  • Average humidity in May: 76%

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

Average rainfall in May
Winnsboro, LA

Average rainfall in May - Winnsboro, LA
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is April (3.54").
The driest months (with the least rainfall) are September and November (2.28").

Average rainfall days in May
Winnsboro, LA

Average rainfall days in May - Winnsboro, LA
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in May
Winnsboro, LA

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Winnsboro, LA

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

The month with the highest number of snowfall days is January (0.7 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
Winnsboro, LA

Average daylight in May / Average sunshine in May - Winnsboro, 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 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Winnsboro, LA

Average sunshine days in May - Winnsboro, LA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in May
Winnsboro, LA

Average UV index in May - Winnsboro, 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
Winnsboro, LA

Average cloud cover in May - Winnsboro, 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 27).

Average visibility in May
Winnsboro, LA

Average visibility in May - Winnsboro, 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).

Winnsboro, Louisiana, USA

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