May weather forecastRoby, TX
May
Weather in May
May, the last month of the spring in Roby, is a tropical month, with an average temperature varying between 63.9°F (17.7°C) and 86.7°F (30.4°C).Temperature
Roby's transition into May brings a slight rise in the average high-temperature, moving from a moderately hot 80.1°F (26.7°C) in April to a tropical 86.7°F (30.4°C). Roby anticipates a stark contrast in temperature during May nights, with an average low of 63.9°F (17.7°C).Heat index
May's mean heat index is estimated at a tropical 89.6°F (32°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in May in Roby, Texas, is 50%.Rainfall
May is the month with the most rainfall. Rain falls for 11.2 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Roby, snow does not fall in May through October.Daylight
In Roby, the average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:34 am and sunset at 8:44 pm CDT.
Sunshine
The average sunshine in May in Roby, Texas, is 10.5h.UV index
The months with the highest UV index in Roby are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 7 in May translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Roby, TX
- Average high temperature in May: 86.7°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in May: 63.9°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in May
Roby, TX
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Roby, TX
- Average wind speed in May: 13.2mph
The windiest month (with the highest average wind speed) is April (14mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).
Average humidity in May
Roby, TX
- Average humidity in May: 50%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in May
Roby, TX
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in May
Roby, TX
- Average rainfall days in May: 11.2 days
The months with the highest number of rainy days are May and September (11.2 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in May
Roby, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Roby, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Roby, 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: 10h and 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Roby, TX
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (17.6 days).
Average UV index in May
Roby, TX
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Roby, TX
- Average cloud cover in May: 22
The months with the most cloud cover are March, September and December (Cloud cover 25).
The months with the least cloud cover are June and August (Cloud cover 16).
Average visibility in May
Roby, 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).
