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
Observing a slight rise in May, the average high-temperature shifts from April's 76.8°F (24.9°C) to a still warm 83.7°F (28.7°C). Manchaca observes an average nighttime temperature of 65.8°F (18.8°C) during May.Heat index
The heat index for May is evaluated at a tropical 91.4°F (33°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
With an average relative humidity of 77%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 16 days and accumulates 4.33" (110mm) of precipitation.Snowfall
In Manchaca, snow does not fall in March through October.Daylight
In May, the average length of the day is 13h and 41min.On the first day of May in Manchaca, sunrise is at 6:47 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:27 pm CDT.
Sunshine
The average sunshine in May in Manchaca, Texas, is 8h.UV index
In Manchaca, Texas, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during May leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What is the most humid month?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Manchaca have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Manchaca, TX
- Average high temperature in May: 83.7°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in May: 65.8°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 (42.4°F).
Average pressure in May
Manchaca, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Manchaca, TX
- Average wind speed in May: 8.7mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in May
Manchaca, 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 (61%).
Average rainfall in May
Manchaca, TX
- Average rainfall in May: 4.33"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in May
Manchaca, TX
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Manchaca, TX
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Manchaca, TX
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Manchaca, TX
- 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: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Manchaca, TX
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in May
Manchaca, 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
Manchaca, TX
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Manchaca, 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).
Manchaca, Texas, USA
Weather forecast for your location
2. Allow the app to use your location