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
May signifies a subtle uplift in the average high-temperature, adjusting from a warm 78.4°F (25.8°C) in April to a still moderately hot 85.1°F (29.5°C). Throughout May, an average low-temperature of 63.7°F (17.6°C) is expected.Heat index
May's heat index is appraised at a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
With an average relative humidity of 59%, May is the most humid month.Rainfall
In Impact, in May, it is raining for 11.7 days, with typically 2.05" (52mm) of accumulated precipitation. In Impact, during the entire year, the rain falls for 94.5 days and collects up to 15.79" (401mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 13h and 50min.On the first day of May, sunrise is at 6:51 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:41 pm CDT.
Sunshine
In May, the average sunshine is 10.2h.UV index
The months with the highest UV index 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 ordinary individuals.Note: A maximum UV index of 7 in May translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Impact have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Impact, TX
- Average high temperature in May: 85.1°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The months with the lowest average high temperature are January and December (56.3°F).
- Average low temperature in May: 63.7°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in May
Impact, TX
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Impact, TX
- Average wind speed in May: 12.7mph
The windiest month (with the highest average wind speed) is April (13.7mph).
The calmest month (with the lowest average wind speed) is September (9.5mph).
Average humidity in May
Impact, TX
- Average humidity in May: 59%
The month with the highest relative humidity is May (59%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Impact, TX
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is September (2.13").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in May
Impact, TX
- Average rainfall days in May: 11.7 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Impact, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Impact, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.6 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
Impact, 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 6min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Impact, TX
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in May
Impact, 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
Impact, TX
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Impact, 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).
Impact, Texas, USA
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