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
Justin's May weather indicates a minor increase in high-temperatures, edging from April's 74.5°F (23.6°C) to a still warm 81.5°F (27.5°C). An average low-temperature of 63.9°F (17.7°C) is recorded during the nights in May.Heat index
May's heat index is appraised at a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Research indicates the heat index considers values in shaded locales and with light winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
With an average relative humidity of 73%, May is the most humid month.Rainfall
The wettest months in Justin, Texas, are May and October, with an average 3.9" (99mm) of rainfall.Snowfall
April through October are months without snowfall in Justin.Daylight
In Justin, the average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:11 pm. On the last day of May, in Justin, sunrise is at 6:21 am and sunset at 8:32 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 during May translates into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the temperature in May in Justin?
What is the most humid month in Justin?
What is the average humidity in May in Justin?
What is the rainiest month in Justin?
How many days does it rain in May in Justin?
When it does not snow in Justin?
How many hours of daylight does Justin have in May?
When are sunrise and sunset in May in Justin?
How many hours of sunshine does Justin have in May?
What is the UV index intensity in May in Justin?
Average temperature in May
Justin, TX
- Average high temperature in May: 81.5°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 (54.3°F).
- Average low temperature in May: 63.9°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 (38.1°F).
Average pressure in May
Justin, TX
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Justin, TX
- Average wind speed in May: 9.3mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in May
Justin, TX
- Average humidity in May: 73%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (55%).
Average rainfall in May
Justin, TX
- Average rainfall in May: 3.9"
The wettest months (with the highest rainfall) are May and October (3.9").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in May
Justin, TX
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in May
Justin, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Justin, 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
Justin, TX
- Average daylight in May: 13h and 5min
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 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Justin, TX
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are May and September (14.5 days).
Average UV index in May
Justin, 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 and December (UV index 3).
Average cloud cover in May
Justin, TX
- Average cloud cover in May: 34
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Justin, 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).
Justin, Texas, USA
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