May weather forecast
Rayne, LA

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Weather in May

The last month of the spring, May, is another warm month in Rayne, Louisiana, with an average temperature varying between 67.6°F (19.8°C) and 84.6°F (29.2°C).

Temperature

May's onset brings a subtle temperature rise, moving from a moderately hot 77.2°F (25.1°C) in April to a still warm 84.6°F (29.2°C). The average temperature during May nights is registered at a comfortable 67.6°F (19.8°C).

Heat index

During May, the heat index is calculated to be a tropical 93.2°F (34°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Rayne, in May, during 10.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Rayne, during the entire year, the rain falls for 142.3 days and collects up to 18.07" (459mm) of precipitation.

Snowfall

In Rayne, snow does not fall in February through December.

Daylight

In Rayne, the average length of the day in May is 13h and 41min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:47 pm. On the last day of May, sunrise is at 6:07 am and sunset at 8:05 pm CDT.

Sunshine

In May, the average sunshine is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

Is it hot in Rayne during May?

During May, Rayne experiences an average high-temperature of 84.6°F (29.2°C) and a low-temperature of 67.6°F (19.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in May?

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

How much does it rain in May?

In May, the rain falls for 10.4 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

When it does not snow?

In Rayne, snow does not fall in February through December.

How many hours of daylight does Rayne have in May?

In May, the average day length is 13h and 41min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:25 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:05 pm CDT.

How long on average sun shines in May?

In Rayne, the average sunshine duration in May is 10.3h.

What is the month with the highest UV index in Rayne?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in May?

In May, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Rayne, LA

Average temperature in May - Rayne, LA
  • Average high temperature in May: 84.6°F

The warmest months (with the highest average high temperature) are July and August (89.6°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in May: 67.6°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in May
Rayne, LA

Average pressure in May - Rayne, LA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

Average wind speed in May
Rayne, LA

Average wind speed in May - Rayne, LA
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in May
Rayne, LA

Average humidity in May - Rayne, 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 (72%).

Average rainfall in May
Rayne, LA

Average rainfall in May - Rayne, LA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in May
Rayne, LA

Average rainfall days in May - Rayne, LA
  • Average rainfall days in May: 10.4 days

The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in May
Rayne, LA

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

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Rayne, LA

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

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in May / Average sunshine in May - Rayne, LA
  • Average daylight in May: 13h and 4min

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

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Rayne, LA

Average sunshine days in May - Rayne, LA
  • Average sunshine days in May: 18 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (10.4 days).

Average UV index in May
Rayne, LA

Average UV index in May - Rayne, LA
  • Average UV index in May: 7

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

Average cloud cover in May
Rayne, LA

Average cloud cover in May - Rayne, LA
  • Average cloud cover in May: 29

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility in May
Rayne, LA

Average visibility in May - Rayne, 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).

Rayne, Louisiana, USA

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