May weather forecast and climate
Butler, AL

The last month of the spring, May, is another warm month in Butler, Alabama, with average temperature ranging between max 84.4°F (29.1°C) and min 62.4°F (16.9°C).

Temperature

In May, the average high-temperature slightly increases, from a warm 77.4°F (25.2°C) in April, to a still moderately hot 84.4°F (29.1°C). The average low-temperature, in May, is 62.4°F (16.9°C).

Heat index

The average heat index in May is estimated at a hot 92.3°F (33.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In May, the average relative humidity in Butler is 73%.

Rainfall

In Butler, during May, the rain falls for 11.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Butler, during the entire year, the rain falls for 138.6 days and collects up to 19.33" (491mm) of precipitation.

Snowfall

April through November are months without snowfall in Butler.

Daylight

In Butler, Alabama, the average length of the day is 13.8h.

Sunshine

The average sunshine in May is 9.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Butler?

The average high-temperature, in May, is 84.4°F (29.1°C), while the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in May is appraised at 92.3°F (33.5°C).

What is the average humidity in May in Butler?

In Butler, Alabama, the average relative humidity in May is 73%.

How much does it rain in Butler in May?

In May, in Butler, the rain falls for 11.3 days. Throughout May, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Butler?

In Butler, Alabama, snow does not fall in April through November.

What is the average length of the day in May in Butler?

In Butler, Alabama, the average length of the day in May is 13.8h.

How long on average sun shines in May in Butler?

The average sunshine in May in Butler, Alabama, is 9.9h.

What is the UV index intensity in May in Butler?

In May, the average daily maximum UV index in Butler, Alabama, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in May - Butler, AL
  • Average high temperature in May: 84.4°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 (55.2°F).

  • Average low temperature in May: 62.4°F

Months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in May - Butler, AL
  • Average pressure in May: 30"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.96").

Average wind speed in May - Butler, AL
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May - Butler, AL
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in May - Butler, AL
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (6.4 days).

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

The month with the highest snowfall is January (0.16").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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

The month with the highest number of snowfall days is January (0.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in May / Average sunshine in May - Butler, AL
  • Average daylight in May: 13.8h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in May: 9.9h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 4.9h).

Average sunshine days in May - Butler, AL
  • Average sunshine days in May: 16.9 days

The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (9.5 days).

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

Average cloud cover in May - Butler, AL
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in May - Butler, AL
  • Average visibility in May: 5mi

Months with the highest visibility are February, March, April, June, October and November (6mi).
Months with the lowest visibility are January, May, July, August, September and December (5mi).