May weather forecastMertzon, TX
May
Weather in May
The last month of the spring, May, is a hot month in Mertzon, Texas, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 64.9°F (18.3°C).Temperature
As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a warm 80.2°F (26.8°C) to a tropical 86.5°F (30.3°C). A marked difference from the daytime temperatures, Mertzon's nighttime temperature falls to an average low of 64.9°F (18.3°C) in May.Heat index
May's mean heat index is estimated at a hot 89.6°F (32°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Observations indicate that the heat index values are for shady locations with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In Mertzon, the average relative humidity in May is 55%.Rainfall
In Mertzon, Texas, in May, during 12 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Mertzon, during the entire year, the rain falls for 89.8 days and collects up to 15.43" (392mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Mertzon, the average length of the day in May is 13h and 46min.On the first day of May in Mertzon, sunrise is at 6:57 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 8:42 pm CDT.
Sunshine
In Mertzon, the average sunshine in May is 10.3h.UV index
In Mertzon, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during May translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mertzon, TX
- Average high temperature in May: 86.5°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 (58.6°F).
- Average low temperature in May: 64.9°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in May
Mertzon, TX
- Average pressure in May: 29.87"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in May
Mertzon, TX
- Average wind speed in May: 13mph
The windiest month (with the highest average wind speed) is April (13.7mph).
The calmest month (with the lowest average wind speed) is September (9.6mph).
Average humidity in May
Mertzon, TX
- Average humidity in May: 55%
The month with the highest relative humidity is November (58%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Mertzon, TX
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Mertzon, TX
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Mertzon, TX
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Mertzon, TX
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.1 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
Mertzon, TX
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 18min
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
Mertzon, TX
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in May
Mertzon, TX
- Average UV index in May: 7
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Mertzon, 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
Mertzon, 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).
