May weather forecast
Dayton, AL

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Weather in May

May, the last month of the spring in Dayton, is another warm month, with an average temperature varying between 62.4°F (16.9°C) and 84.6°F (29.2°C).

Temperature

Dayton, Alabama, observes a slight ascent in average high-temperatures during May, adjusting from a warm 77.2°F (25.1°C) in April to a still moderately hot 84.6°F (29.2°C). Despite substantial daily fluctuations, the average low-temperature is an enjoyable 62.4°F (16.9°C) during May.

Heat index

The average heat index in May is calculated to be a tropical 93.2°F (34°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in May is 73%.

Rainfall

In Dayton, in May, it is raining for 13.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 164.6 rainfall days, and 35" (889mm) of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

In Dayton, the average length of the day in May is 13h and 50min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:31 pm. On the last day of May, sunrise is at 5:44 am and sunset at 7:52 pm CDT.

Sunshine

In Dayton, the average sunshine in May is 10.1h.

UV index

In Dayton, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

The high-temperature, in May, in Dayton, records 84.6°F (29.2°C), while the low-temperature is 62.4°F (16.9°C). In May, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in May?

In May, the average relative humidity is 73%.

How much does it rain in May?

In Dayton, during May, the rain falls for 13.4 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow?

In Dayton, Alabama, snow does not fall in March through November.

How many hours of daylight does Dayton have in May?

In Dayton, the average day length in May is 13h and 50min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:52 pm CDT.

How many hours of sunshine does Dayton have in May?

In May, the average sunshine duration is 10.1h.

How high is the UV index in May in Dayton?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Dayton, AL

Average temperature in May - Dayton, AL
  • Average high temperature in May: 84.6°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in May: 62.4°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

Average pressure in May
Dayton, AL

Average pressure in May - Dayton, AL
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Dayton, AL

Average wind speed in May - Dayton, AL
  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in May
Dayton, AL

Average humidity in May - Dayton, AL
  • Average humidity in May: 73%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Dayton, AL

Average rainfall in May - Dayton, AL
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in May
Dayton, AL

Average rainfall days in May - Dayton, AL
  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in May
Dayton, AL

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

The months with the highest snowfall are January and December (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Dayton, AL

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

The month with the highest number of snowfall days is January (0.8 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
Dayton, AL

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

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 6min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Dayton, AL

Average sunshine days in May - Dayton, AL
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is July (8.3 days).

Average UV index in May
Dayton, AL

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

The months with the highest UV index are 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
Dayton, AL

Average cloud cover in May - Dayton, AL
  • Average cloud cover in May: 34

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 29).

Average visibility in May
Dayton, AL

Average visibility in May - Dayton, 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).

Dayton, Alabama, USA

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