May weather forecast
Castlewood, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Castlewood, Louisiana, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 85.6°F (29.8°C).

Temperature

In May, the average high-temperature marginally rises from a warm 78.4°F (25.8°C) in April to a still moderately hot 85.6°F (29.8°C). Throughout May, the nighttime temperature averages to a refreshing 65.7°F (18.7°C).

Heat index

For most parts of May, the heat index is appraised at a sweltering 96.8°F (36°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Consider that heat index readings are for situations in the shade and light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

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

Rainfall

In Castlewood, in May, during 14.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Castlewood, there are 177.1 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

In Castlewood, Louisiana, snow does not fall in February through November.

Daylight

In Castlewood, the average length of the day in May is 13h and 42min.
On the first day of May, sunrise is at 6:19 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:01 pm CDT.

Sunshine

The average sunshine in May in Castlewood is 9.7h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index in Castlewood. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 7 in May suggests the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

How hot is it in Castlewood in May?

In May, the average high-temperature and low-temperature in Castlewood, Louisiana, are 85.6°F (29.8°C) and 65.7°F (18.7°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is appraised at 96.8°F (36°C).

What is the average humidity in May in Castlewood?

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

How many days does it rain in May in Castlewood?

In Castlewood, during May, the rain falls for 14.7 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Castlewood?

In Castlewood, snow does not fall in February through November.

What is the average length of the day in May in Castlewood?

The average day length in May in Castlewood, Louisiana, is 13h and 42min.

When are sunrise and sunset in May in Castlewood?

On the first day of May in Castlewood, Louisiana, sunrise is at 6:19 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:01 pm CDT.

How long on average sun shines in May in Castlewood?

The average sunshine duration in May in Castlewood is 9.7h.

When is the highest UV index in Castlewood?

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 Castlewood?

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

Average temperature in May - Castlewood, LA
  • Average high temperature in May: 85.6°F

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in May: 65.7°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in May
Castlewood, LA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed in May
Castlewood, LA

Average wind speed in May - Castlewood, LA
  • Average wind speed in May: 5.3mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

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Average humidity in May
Castlewood, LA

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

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Castlewood, LA

Average rainfall in May - Castlewood, LA
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in May
Castlewood, LA

Average rainfall days in May - Castlewood, LA
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Castlewood, LA

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

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Castlewood, LA

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

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Castlewood, 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in May
Castlewood, LA

Average sunshine days in May - Castlewood, LA
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in May
Castlewood, LA

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

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

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Average cloud cover in May
Castlewood, LA

Average cloud cover in May - Castlewood, LA
  • Average cloud cover in May: 37

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Castlewood, LA

Average visibility in May - Castlewood, LA
  • Average visibility in May: 5mi

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

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Castlewood, Louisiana, USA

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