May weather forecast and climate
Montevallo, AL

Weather in May

May, the last month of the spring, in Montevallo, is also a moderately hot month, with average temperature varying between 60.8°F (16°C) and 81.5°F (27.5°C).

Temperature

In Montevallo, the average high-temperature in May slightly increases, from 74.1°F (23.4°C) in April, to a still moderately hot 81.5°F (27.5°C). The average low-temperature, in Montevallo, is 60.8°F (16°C).

Heat index

The average heat index in May is evaluated at a hot 86.4°F (30.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, wind, metabolic differences), and activity. 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 especially crucial for babies and toddlers. 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 Montevallo, Alabama, the average relative humidity in May is 74%.

Rainfall

In Montevallo, during May, the rain falls for 12.4 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Montevallo, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

In Montevallo snow does not fall in March through November.

Daylight

The average length of the day in Montevallo is 13.9h.

Sunshine

The average sunshine is 10.2h.

UV index

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
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.
[Resources]

FAQ

What is the temperature in May in Montevallo?

In Montevallo, Alabama, in May, the average high-temperature is 81.5°F (27.5°C), and the average low-temperature is 60.8°F (16°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in May is evaluated at 86.4°F (30.2°C).

What is the average humidity in May in Montevallo?

The average relative humidity in May in Montevallo, Alabama, is 74%.

How much does it rain in Montevallo in May?

In Montevallo, during May, the rain falls for 12.4 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Montevallo?

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

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

In Montevallo, the average length of the day in May is 13.9h.

How long on average sun shines in May in Montevallo?

In May, the average sunshine in Montevallo, Alabama, is 10.2h.

What is the UV index reading in May in Montevallo?

In May, the average daily maximum UV index in Montevallo, Alabama, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Montevallo, AL

Average temperature in May - Montevallo, AL
  • Average high temperature in May: 81.5°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in May: 60.8°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

[Resources]

Average pressure in May
Montevallo, AL

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

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

[Resources]

Average wind speed in May
Montevallo, AL

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

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

[Resources]

Average humidity in May
Montevallo, AL

Average humidity in May - Montevallo, 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 (71%).

[Resources]

Average rainfall in May
Montevallo, AL

Average rainfall in May - Montevallo, AL
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").

[Resources]

Average rainfall days in May
Montevallo, AL

Average rainfall days in May - Montevallo, AL
  • Average rainfall days in May: 12.4 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).

[Resources]

Average snowfall in May
Montevallo, AL

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

The month with the highest snowfall is December (0.47").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in May
Montevallo, AL

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

The month with the highest number of snowfall days is January (1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Montevallo, AL

Average daylight in May / Average sunshine in May - Montevallo, AL
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10.2h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

[Resources]

Average sunshine days in May
Montevallo, AL

Average sunshine days in May - Montevallo, AL
  • Average sunshine days in May: 16.3 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).

[Resources]

Average UV index in May
Montevallo, AL

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

[Resources]

Average cloud cover in May
Montevallo, AL

Average cloud cover in May - Montevallo, AL
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

[Resources]

Average visibility in May
Montevallo, AL

Average visibility in May - Montevallo, AL
  • Average visibility in May: 6mi

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

[Resources]