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
The shift into May is marked by a modest rise in the average high-temperature, moving from April's 78.1°F (25.6°C) to a still warm 84.7°F (29.3°C). During May, Hallettsville experiences a consistent low-temperature average of 67.6°F (19.8°C).Heat index
For May, the heat index is appraised at a fiery hot 95°F (35°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. 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. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
March and May, with an average relative humidity of 78%, are the most humid months.Rainfall
The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 3.86" (98mm) of precipitation.Snowfall
In Hallettsville, snow does not fall in February through November.Daylight
In Hallettsville, the average length of the day in May is 13h and 38min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:04 pm. On the last day of May, sunrise is at 6:28 am and sunset at 8:22 pm CDT.
Sunshine
In Hallettsville, the average sunshine in May is 8.2h.UV index
In Hallettsville, Texas, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is May?
What are the most humid months?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Hallettsville have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Hallettsville have in May?
What is the UV index intensity in May?
Average temperature in May
Hallettsville, TX
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in May: 67.6°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in May
Hallettsville, TX
- Average pressure in May: 29.93"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
Hallettsville, TX
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in May
Hallettsville, TX
- Average humidity in May: 78%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Hallettsville, TX
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in May
Hallettsville, TX
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is January (11.2 days).
Average snowfall in May
Hallettsville, TX
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Hallettsville, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Hallettsville, TX
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Hallettsville, TX
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in May
Hallettsville, 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
Hallettsville, TX
- Average cloud cover in May: 47
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Hallettsville, TX
- Average visibility in May: 5mi
The months with the highest visibility are January, February, August, September, October, November and December (6mi).
The months with the lowest visibility are March, April, May, June and July (5mi).
Hallettsville, Texas, USA
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