May weather forecastGrimes, AL
May
Weather in May
May, the last month of the spring in Grimes, is also a moderately hot month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 84.7°F (29.3°C).Temperature
With the onset of May, Grimes experiences a subtle temperature shift, with the average high-temperature moving from 77.7°F (25.4°C) in April to a still warm 84.7°F (29.3°C). An average low-temperature of 65.1°F (18.4°C) is recorded during the nights in May.Heat index
May's average heat index is computed to be a hot 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. 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 months with the lowest humidity are May and October, with an average relative humidity of 69%.Rainfall
In Grimes, in May, it is raining for 12.7 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 151.6 rainfall days, and 23.27" (591mm) of precipitation is accumulated.Snowfall
In Grimes, snow does not fall in April through December.Daylight
In May, the average length of the day is 13h and 46min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:21 pm. On the last day of May, sunrise is at 5:38 am and sunset at 7:41 pm CDT.
Sunshine
The average sunshine in May is 10.7h.UV index
The months with the highest UV index 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: In May, the average maximum UV index of 7 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grimes, AL
- Average high temperature in May: 84.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in May: 65.1°F
The months with the highest average low temperature are July and August (73.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Grimes, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Grimes, AL
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Grimes, AL
- Average humidity in May: 69%
The months with the highest relative humidity are August and December (75%).
The months with the lowest relative humidity are May and October (69%).
Average rainfall in May
Grimes, AL
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in May
Grimes, AL
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in May
Grimes, AL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Grimes, AL
- 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
Grimes, AL
- Average daylight in May: 13h and 48min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in May
Grimes, AL
- Average sunshine days in May: 16 days
The months with the most sunshine days are October and November (21.1 days).
The month with the least sunshine days is August (7.2 days).
Average UV index in May
Grimes, AL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Grimes, AL
- Average cloud cover in May: 28
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in May
Grimes, AL
- 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).
