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 arrival of May brings a soft temperature shift, with the average high-temperature nudging from a warm 78.4°F (25.8°C) in April to a still moderately hot 84.2°F (29°C). Markham witnesses a consistent average low-temperature of 69.6°F (20.9°C) throughout May.Heat index
The heat index for May is appraised at a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
The average relative humidity in May in Markham, Texas, is 78%.Rainfall
In Markham, Texas, in May, during 13.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Markham, during the entire year, the rain falls for 167.5 days and collects up to 29.41" (747mm) of precipitation.Snowfall
February through December are months without snowfall in Markham.Daylight
The average length of the day in May is 13h and 37min.On the first day of May, sunrise is at 6:42 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:18 pm CDT.
Sunshine
The average sunshine in May is 9.2h.UV index
In Markham, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Markham in May?
What is the average humidity in May in Markham?
How much does it rain in Markham in May?
When it does not snow in Markham?
What is the average length of the day in May in Markham?
When is the sunrise / sunset in May in Markham?
How long on average sun shines in May in Markham?
What is the UV index intensity in May in Markham?
Average temperature in May
Markham, TX
- Average high temperature in May: 84.2°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (61.9°F).
- Average low temperature in May: 69.6°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in May
Markham, TX
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Markham, TX
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in May
Markham, TX
- Average humidity in May: 78%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Markham, TX
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is September (3.94").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in May
Markham, TX
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is September (18.7 days).
The month with the least rainy days is January (11.9 days).
Average snowfall in May
Markham, TX
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Markham, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Markham, 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in May
Markham, TX
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (9.5 days).
Average UV index in May
Markham, 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
Markham, TX
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Markham, 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).
Markham, Texas, USA
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