Birmingham
Alabama, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Birmingham, AL

The colorful evening sky in Birmingham City, Alabama
The colorful evening sky in Birmingham City, Alabama
The last month of the spring, May, is also a moderately hot month in Birmingham, Alabama, with average temperature fluctuating between 81.5°F (27.5°C) and 59.7°F (15.4°C).

Temperature

In Birmingham, the average high-temperature slightly increases, from 74.5°F (23.6°C) in April, to a still warm 81.5°F (27.5°C). In Birmingham, the average low-temperature is 59.7°F (15.4°C).

Heat index

The average heat index is estimated at 85.5°F (29.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise 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 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, wind). 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. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity is 70.1%.

Rainfall

In May, the rain falls for 10.2 days. Throughout May, 5" (126.7mm) of precipitation is accumulated. In Birmingham, during the entire year, the rain falls for 116.8 days and collects up to 53.7" (1364.5mm) of precipitation.

Snowfall

In May, in Birmingham, it doesn't snow. April is the latest month when it typically snows. Throughout the year, 1.6" (40.5mm) of snow is accumulated.

Daylight

The average length of the day is 13.9h.

Sunshine

In May, the average sunshine in Birmingham is 9.1h.

UV index

The average daily maximum UV index in Birmingham, Alabama, is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system.

What is the temperature in May in Birmingham?

The average high-temperature, in May, is 81.5°F (27.5°C), while the average low-temperature is 59.7°F (15.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines both air temperature and relative humidity, in May is evaluated at 85.5°F (29.7°C).

What is the average humidity in May in Birmingham?

The average relative humidity in May in Birmingham is 70.1%.

How much does it rain in Birmingham in May?

In Birmingham, in May, during 10.2 rainfall days, 5" (126.7mm) of precipitation is typically accumulated.

Does it snow in Birmingham in May?

In May, in Birmingham, Alabama, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Birmingham have in May?

The average length of the day in May in Birmingham is 13.9h.

How long on average sun shines in May in Birmingham?

In May, the average sunshine in Birmingham is 9.1h.

What is the UV index intensity in May in Birmingham?

The average daily maximum UV index in May in Birmingham is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Birmingham, AL
  • Average high temperature in May: 27.5°C

The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in May: 15.4°C

The month with the highest average low temperature is July (21.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).

Average humidity in May - Birmingham, AL
  • Average humidity in May: 70.1%

The month with the highest relative humidity is August (74.6%).
The month with the lowest relative humidity is March (64.2%).

Average rainfall in May - Birmingham, AL
  • Average rainfall in May: 126.7mm

The wettest month (with the highest rainfall) is March (132.8mm).
The driest month (with the lowest rainfall) is October (87.4mm).

Average rainfall days in May - Birmingham, AL
  • Average rainfall days in May: 10.2 days

The month with the highest number of rainy days is July (11.7 days).
The month with the lowest number of rainy days is September (7.4 days).

Average snowfall in May - Birmingham, AL
  • Average snowfall in May: 0mm

Months with the highest snowfall are January and March (15.2mm).
Months with the lowest snowfall are May, June, July, August, September, October and November (0mm).

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

The month with the highest number of snowfall days is January (0.3 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

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

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 9.1h

The month with most sunshine is June (Average sunshine: 9.4h).
The month with least sunshine is January (Average sunshine: 4.8h).

Average UV index in May - Birmingham, AL
  • Average UV index in May: 9

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).