May weather forecastCool, TX
May
Weather in May
May, the last month of the spring in Cool, is another warm month, with an average temperature varying between 82.4°F (28°C) and 63.3°F (17.4°C).Temperature
May's onset is marked by a subtle temperature increase, moving from a warm 75.7°F (24.3°C) in April to a still moderately hot 82.4°F (28°C). Cool records an average nighttime low-temperature of 63.3°F (17.4°C) throughout May.Heat index
The heat index value during May is appraised at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. 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', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
With an average relative humidity of 71%, May is the most humid month.Rainfall
In Cool, during May, the rain falls for 12.7 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, in Cool, there are 116.6 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Cool.Daylight
The average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 6:43 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:34 pm CDT.
Sunshine
In Cool, the average sunshine in May is 9.3h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during May leads to these advisories:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cool, TX
- Average high temperature in May: 82.4°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in May: 63.3°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
Cool, TX
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Cool, TX
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in May
Cool, 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 (54%).
Average rainfall in May
Cool, TX
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is October (3.03").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in May
Cool, TX
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in May
Cool, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Cool, 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
Cool, 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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Cool, TX
- Average sunshine days in May: 16 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (16 days).
Average UV index in May
Cool, TX
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Cool, TX
- Average cloud cover in May: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Cool, 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).





