May weather forecastDiamond, LA
May
Weather in May
The last month of the spring, May, is another warm month in Diamond, Louisiana, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 72.9°F (22.7°C).Temperature
The arrival of May witnesses a small shift in the average high-temperature, moving from 75.2°F (24°C) in April to a still moderately hot 81.3°F (27.4°C). Throughout May, Diamond reports a steady low-temperature average of 72.9°F (22.7°C), slightly lower than its daytime counterpart.Heat index
For most parts of May, the heat index is computed to be a hot 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Diamond, the average relative humidity in May is 74%.Rainfall
In May, the rain falls for 9.7 days. Throughout May, 1.22" (31mm) of precipitation is accumulated. In Diamond, during the entire year, the rain falls for 137.2 days and collects up to 19.92" (506mm) of precipitation.Snowfall
In Diamond, Louisiana, snow does not fall in February through December.Daylight
In Diamond, the average length of the day in May is 13h and 38min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:36 pm. On the last day of May, sunrise is at 5:59 am and sunset at 7:54 pm CDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In May, a daily UV index of 7 turns into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Diamond, LA
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in May: 72.9°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in May
Diamond, LA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in May
Diamond, LA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in May
Diamond, LA
- Average humidity in May: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Diamond, LA
- Average rainfall in May: 1.22"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").
Average rainfall days in May
Diamond, LA
- Average rainfall days in May: 9.7 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).
Average snowfall days in May
Diamond, 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
Diamond, LA
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 10h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Diamond, LA
- Average sunshine days in May: 19.6 days
The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in May
Diamond, LA
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
Diamond, LA
- Average cloud cover in May: 23
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in May
Diamond, 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).





