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 sea temperature 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
With the beginning of May, Port Lavaca's average high-temperature sees a minor increase, transitioning from a warm 77°F (25°C) in April to a still moderately hot 82.8°F (28.2°C). May brings with it a nighttime average temperature of 72.3°F (22.4°C) in Port Lavaca.Heat index
During May, the heat index is computed to be a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in May is 78%.Rainfall
In May, in Port Lavaca, the rain falls for 12.6 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Port Lavaca, there are 156.8 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
In Port Lavaca, snow does not fall in February through December.Ocean temperature
In Port Lavaca, the average seawater temperature in May is 77.5°F (25.3°C).Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.
Daylight
In May, the average length of the day in Port Lavaca is 13h and 35min.On the first day of May in Port Lavaca, sunrise is at 6:44 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:19 pm CDT.
Sunshine
In May, the average sunshine in Port Lavaca is 9.7h.UV index
The months with the highest UV index in Port Lavaca are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Frequently asked questions
How hot is it in Port Lavaca in May?
What is the average humidity in May in Port Lavaca?
How many days does it rain in May in Port Lavaca?
When it does not snow in Port Lavaca?
What is the water temperature in May in Port Lavaca?
How many hours of daylight does Port Lavaca have in May?
What time are sunrise and sunset in May in Port Lavaca?
How long on average sun shines in May in Port Lavaca?
What is the month with the highest UV index in Port Lavaca?
What is the UV index reading in May in Port Lavaca?
Average temperature in May
Port Lavaca, TX
- Average high temperature in May: 82.8°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).
- Average low temperature in May: 72.3°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in May
Port Lavaca, TX
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Port Lavaca, TX
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in May
Port Lavaca, TX
- Average humidity in May: 78%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Port Lavaca, TX
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in May
Port Lavaca, TX
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in May
Port Lavaca, TX
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Port Lavaca, TX
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Port Lavaca, TX
- Average sea temperature in May: 77.5°F
The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (60.1°F).
Average daylight in May /
Average sunshine in May
Port Lavaca, TX
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Port Lavaca, TX
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).
Average UV index in May
Port Lavaca, 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 4).
Average cloud cover in May
Port Lavaca, TX
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Port Lavaca, 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).
Port Lavaca, Texas, USA
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