May weather forecastGrimsley, TN
May
Weather in May
The last month of the spring, May, is a warm month in Grimsley, Tennessee, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 75.4°F (24.1°C).Temperature
May's arrival coincides with a temperature rise, moving from April's comfortable 66.2°F (19°C) to a moderately hot 75.4°F (24.1°C). The low-temperature averages to a mild 55.4°F (13°C) during the nights of May.Humidity
In Grimsley, the average relative humidity in May is 79%.Rainfall
In Grimsley, in May, it is raining for 17.8 days, with typically 3.19" (81mm) of accumulated precipitation. In Grimsley, during the entire year, the rain falls for 170.9 days and collects up to 37.68" (957mm) of precipitation.Snowfall
In Grimsley, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 7min.On the first day of May, sunrise is at 5:45 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 7:51 pm CDT.
Sunshine
In May, the average sunshine is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during May translates into the following guidance:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grimsley, TN
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in May: 55.4°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Grimsley, TN
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Grimsley, TN
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Grimsley, TN
- Average humidity in May: 79%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are April, June, August, October and November (77%).
Average rainfall in May
Grimsley, TN
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in May
Grimsley, TN
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in May
Grimsley, TN
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Grimsley, TN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grimsley, TN
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Grimsley, TN
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Grimsley, TN
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Grimsley, TN
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in May
Grimsley, TN
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
