May weather forecastMerkel, TX
May
Weather in May
The last month of the spring, May, is a hot month in Merkel, Texas, with temperature in the range of an average high of 86°F (30°C) and an average low of 64.2°F (17.9°C).Temperature
With the start of May, the average high-temperature marginally shifts from April's warm 79.3°F (26.3°C) to a tropical 86°F (30°C). With the onset of night in May, Merkel reveals a significant decrease in temperature, averaging at a refreshing 64.2°F (17.9°C).Heat index
For most parts of May, the heat index is estimated at a hot 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 are particularly meaningful for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Merkel, the average relative humidity in May is 54%.Rainfall
In Merkel, in May, during 11.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Merkel, during the entire year, the rain falls for 87.9 days and collects up to 15.31" (389mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May is 13h and 50min.On the first day of May in Merkel, sunrise is at 6:52 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:42 pm CDT.
Sunshine
In May, the average sunshine is 10.3h.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 unprotected exposure to Sun's UV rays for the average person.Note: During May, 7 as the daily maximum UV index converts into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Merkel, TX
- Average high temperature in May: 86°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in May: 64.2°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in May
Merkel, TX
- Average pressure in May: 29.87"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Merkel, TX
- Average wind speed in May: 13.6mph
The windiest month (with the highest average wind speed) is April (14.4mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).
Average humidity in May
Merkel, TX
- Average humidity in May: 54%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (46%).
Average rainfall in May
Merkel, TX
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is September (2.2").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in May
Merkel, 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 (3.4 days).
Average snowfall in May
Merkel, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Merkel, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Merkel, TX
- Average daylight in May: 13h and 48min
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 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in May
Merkel, TX
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in May
Merkel, 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
Merkel, TX
- Average cloud cover in May: 25
The month with the most cloud cover is March (Cloud cover 27).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in May
Merkel, 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).
