May weather forecastMarion, TX
May
Weather in May
May, the last month of the spring in Marion, is another warm month, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.8°F (28.8°C).Temperature
May's arrival is noted with a slight increase in the average high-temperature, moving from 78.3°F (25.7°C) in April to a still warm 83.8°F (28.8°C). An average low-temperature of 65.8°F (18.8°C) is noted during the nights in May in Marion.Heat index
For May, the heat index is computed to be a hot 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The most humid month is May, with an average relative humidity of 77%.Rainfall
May is the month with the most rainfall in Marion, Texas. Rain falls for 10.2 days and accumulates 1.38" (35mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In May, the average length of the day in Marion is 13h and 39min.On the first day of May, sunrise is at 6:49 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:27 pm CDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
The months with the highest UV index in Marion are May through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 7 in May translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marion, TX
- Average high temperature in May: 83.8°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in May: 65.8°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure in May
Marion, TX
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Marion, TX
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in May
Marion, TX
- Average humidity in May: 77%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Marion, TX
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in May
Marion, TX
- Average rainfall days in May: 10.2 days
The month with the highest number of rainy days is September (12.1 days).
The month with the least rainy days is January (4.9 days).
Average snowfall days in May
Marion, 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 April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Marion, TX
- Average daylight in May: 13h and 36min
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: 7h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Marion, TX
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (15.3 days).
Average UV index in May
Marion, 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
Marion, TX
- Average cloud cover in May: 48
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Marion, 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).





