May weather forecastTrenton, AL
May
Weather in May
May, the last month of the spring in Trenton, is a warm month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.4°F (25.2°C).Temperature
May brings a slight rise in Trenton's average high-temperature, moving from a pleasant 69.8°F (21°C) in April to a warm 77.4°F (25.2°C). During the nights in May, Trenton observes an average low-temperature of 57.7°F (14.3°C).Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 17.2 days. Throughout May, 3.78" (96mm) of precipitation is accumulated. In Trenton, during the entire year, the rain falls for 178.6 days and collects up to 43.11" (1095mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 0min.On the first day of May, sunrise is at 5:53 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 7:52 pm CDT.
Sunshine
In Trenton, the average sunshine in May is 9.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full 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
Trenton, AL
- Average high temperature in May: 77.4°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in May
Trenton, AL
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Trenton, AL
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in May
Trenton, AL
- Average humidity in May: 78%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Trenton, AL
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are October and November (2.44").
Average rainfall days in May
Trenton, AL
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Trenton, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Trenton, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2 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
Trenton, AL
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 24min
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 30min).
Average sunshine days in May
Trenton, AL
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in May
Trenton, AL
- 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 and December (UV index 2).
Average cloud cover in May
Trenton, AL
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 32).
Average visibility in May
Trenton, AL
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August and December (5mi).





