May weather forecastLake Dallas, TX
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Lake Dallas, Texas, with an average temperature fluctuating between 64.8°F (18.2°C) and 82.2°F (27.9°C).Temperature
The beginning of May marks a minor shift in the average high-temperature, moving from April's 74.8°F (23.8°C) to a still moderately hot 82.2°F (27.9°C). Throughout the month of May, the nighttime temperature dips to an average of 64.8°F (18.2°C).Heat index
The average heat index in May is computed to be a tropical 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
May is the most humid month in Lake Dallas, with an average relative humidity of 71%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 3.62" (92mm) of precipitation is accumulated. In Lake Dallas, during the entire year, the rain falls for 132.1 days and collects up to 29.09" (739mm) of precipitation.Snowfall
In Lake Dallas, snow does not fall in April through October.Daylight
The average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:20 am and sunset at 8:31 pm CDT.
Sunshine
In Lake Dallas, the average sunshine in May is 8.7h.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 health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 during May translates into the following guidance:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lake Dallas, TX
- Average high temperature in May: 82.2°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in May: 64.8°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in May
Lake Dallas, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Lake Dallas, TX
- Average wind speed in May: 9.2mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in May
Lake Dallas, TX
- Average humidity in May: 71%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (53%).
Average rainfall in May
Lake Dallas, TX
- Average rainfall in May: 3.62"
The wettest month (with the highest rainfall) is October (3.74").
The driest months (with the least rainfall) are January and February (1.57").
Average rainfall days in May
Lake Dallas, TX
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in May
Lake Dallas, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Lake Dallas, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.1 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
Lake Dallas, TX
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Lake Dallas, TX
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is September (14.9 days).
Average UV index in May
Lake Dallas, TX
- 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
Lake Dallas, TX
- Average cloud cover in May: 36
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
Lake Dallas, TX
- 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).
