Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May signals a slight increase in the average high-temperature, moving from a moderately hot 76.6°F (24.8°C) in April to a still warm 84.2°F (29°C). May witnesses an average nighttime temperature of 65.1°F (18.4°C) in Forest Hill.Heat index
The heat index in May is estimated at a hot 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in May is 78%.Rainfall
In Forest Hill, in May, it is raining for 13.8 days, with typically 2.72" (69mm) of accumulated precipitation. In Forest Hill, Louisiana, during the entire year, the rain falls for 159.5 days and collects up to 34.25" (870mm) of precipitation.Snowfall
In Forest Hill, snow does not fall in March through November.Daylight
In May, the average length of the day is 13h and 44min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:49 pm. On the last day of May, sunrise is at 6:07 am and sunset at 8:08 pm CDT.
Sunshine
In Forest Hill, the average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Forest Hill have in May?
What is the UV index reading in May?
Average temperature in May
Forest Hill, LA
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in May: 65.1°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in May
Forest Hill, 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 (29.94"Hg).
Average wind speed in May
Forest Hill, LA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in May
Forest Hill, LA
- Average humidity in May: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Forest Hill, LA
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in May
Forest Hill, LA
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in May
Forest Hill, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Forest Hill, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Forest Hill, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Forest Hill, LA
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in May
Forest Hill, LA
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Forest Hill, LA
- Average cloud cover in May: 38
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in May
Forest Hill, LA
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
Forest Hill, Louisiana, USA
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