May weather forecast
Trussville, AL

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Weather in May

Trussville steps into May with increasing temperatures, merging spring charm with the onset of summer. May showcases clearer skies with 10 hours of sunshine daily, setting the stage for vivacious outdoor activities. The last traces of spring visibly fade, giving full passage to a sunnier and warmer climate. The backdrop of 1.54" (39mm) of rainfall highlights the transition from floral spring days to balmy summer afternoons. May, with its composite of warm temperature and long sunny days brings the city’s summer scene to life.

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from an agreeable 72.9°F (22.7°C) in April to a warm 80.6°F (27°C). Throughout May, the temperature tends to fall to a consistent average low of 60.4°F (15.8°C).

Heat index

The average heat index in May is evaluated at 84.2°F (29°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Trussville, in May, it is raining for 13.2 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 149 rainfall days, and 19.88" (505mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May in Trussville is 13h and 55min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:29 pm. On the last day of May, sunrise is at 5:37 am and sunset at 7:51 pm CDT.

Sunshine

In May, the average sunshine is 10h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 during May translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the average May temperature?

In May, in Trussville, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is evaluated at 84.2°F (29°C).

What is the average humidity in May in Trussville?

The average relative humidity in May is 74%.

How much does it rain in May?

In Trussville, in May, during 13.2 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Trussville have in May?

In Trussville, the average day length in May is 13h and 55min.

What time are sunrise and sunset in May in Trussville?

On the first day of May, sunrise is at 5:56 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Trussville have in May?

In May, the average sunshine duration is 10h.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Trussville, AL

Average temperature in May - Trussville, AL
  • Average high temperature in May: 80.6°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).

Average pressure in May
Trussville, AL

Average pressure in May - Trussville, AL
  • Average pressure in May: 30.01"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
Trussville, AL

Average wind speed in May - Trussville, AL
  • Average wind speed in May: 5.7mph

The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in May
Trussville, AL

Average humidity in May - Trussville, AL
  • Average humidity in May: 74%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Trussville, AL

Average rainfall in May - Trussville, AL
  • Average rainfall in May: 1.54"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.06").

Average rainfall days in May
Trussville, AL

Average rainfall days in May - Trussville, AL
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in May
Trussville, AL

Average snowfall in May - Trussville, AL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Trussville, AL

Average snowfall days in May - Trussville, AL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (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
Trussville, AL

Average daylight in May / Average sunshine in May - Trussville, AL
  • Average daylight in May: 13h and 5min

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 0min).

  • Average sunshine in May: 10h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Trussville, AL

Average sunshine days in May - Trussville, AL
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in May
Trussville, AL

Average UV index in May - Trussville, AL
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in May
Trussville, AL

Average cloud cover in May - Trussville, AL
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in May
Trussville, AL

Average visibility in May - Trussville, 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).

Trussville, Alabama, USA

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