May weather forecastMerit, TX
May
Weather in May
The last month of the spring, May, is a moderately hot month in Merit, Texas, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.6°F (27°C).Temperature
With the onset of May, the average high-temperature subtly transitions from a pleasant 73°F (22.8°C) in April to a moderately hot 80.6°F (27°C). In May, Merit's temperature tends to fall to an average low of 63.3°F (17.4°C) during the night.Heat index
In May, the heat index is computed to be 84.2°F (29°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Note that heat index values are valued for light wind and location in the shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
May is the most humid month, with an average relative humidity of 77%.Rainfall
In Merit, in May, during 15.8 rainfall days, 3.86" (98mm) of precipitation is typically accumulated. In Merit, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
In Merit, snow does not fall in March through October.Daylight
In Merit, Texas, the average length of the day in May is 13h and 53min.On the first day of May, sunrise is at 6:36 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Merit, TX
- Average high temperature in May: 80.6°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 (53.6°F).
- Average low temperature in May: 63.3°F
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
Merit, TX
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Merit, TX
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in May
Merit, TX
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Merit, TX
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in May
Merit, TX
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Merit, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Merit, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Merit, 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 month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Merit, TX
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are May and September (13.3 days).
Average UV index in May
Merit, TX
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in May
Merit, TX
- Average cloud cover in May: 36
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Merit, 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).





