May weather forecastHenderson, TX
May
Weather in May
May, the last month of the spring in Henderson, is another warm month, with an average temperature varying between 63.1°F (17.3°C) and 84.4°F (29.1°C).Temperature
May's arrival signals a subtle increase in average high-temperatures, moving from April's 75.9°F (24.4°C) to a still warm 84.4°F (29.1°C). In Henderson, the nighttime temperature averages to a comfortable 63.1°F (17.3°C) during May.Heat index
During May, the heat index is appraised at a tropical 93.2°F (34°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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
The average relative humidity in May in Henderson is 75%.Rainfall
The month with the most rainfall in Henderson is May, when the rain falls for 13.3 days and typically aggregates up to 2.76" (70mm) of precipitation.Snowfall
In Henderson, snow does not fall in April through December.Daylight
In May, the average length of the day is 13h and 49min.On the first day of May, sunrise is at 6:32 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:20 pm CDT.
Sunshine
In Henderson, the average sunshine in May is 9h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Henderson, TX
- Average high temperature in May: 84.4°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in May: 63.1°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 (38.8°F).
Average pressure in May
Henderson, TX
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Henderson, TX
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in May
Henderson, TX
- Average humidity in May: 75%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in May
Henderson, TX
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Henderson, TX
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in May
Henderson, TX
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Henderson, TX
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.8 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
Henderson, TX
- Average daylight in May: 13h and 48min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Henderson, TX
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in May
Henderson, TX
- 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).
Average cloud cover in May
Henderson, TX
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Henderson, TX
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
