May weather forecast
Birmingham, AL

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The colorful evening sky in Birmingham City, Alabama
The colorful evening sky in Birmingham City, Alabama

Weather in May

May weather in Birmingham, Alabama exhibits a marked departure from spring, leaning heavily towards summer conditions. Temperatures continue their ascending path, reaching a high of 81.3°F (27.4°C). True to the season, relative humidity maintains consistency despite the rise in temperature. Notably, sunshine hours soar, imparting a bright and sunny character to most days. Even with considerable wind presence, overall weather conditions remain warm and comfortable.

Temperature

Birmingham's weather shows a minor temperature rise with the arrival of May, moving from a moderately hot 73.4°F (23°C) in April to a still warm 81.3°F (27.4°C). An average low-temperature of 61°F (16.1°C) is common in Birmingham during the nights of May.

Heat index

The heat index value for May is estimated at a hot 86°F (30°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

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

Rainfall

In Birmingham, during May, the rain falls for 12.6 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Birmingham, during the entire year, the rain falls for 143.1 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

In Birmingham, snow does not fall in April through October.

Daylight

In May, the average length of the day in Birmingham is 13h and 55min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:30 pm. On the last day of May, in Birmingham, sunrise is at 5:38 am and sunset at 7:51 pm CDT.

Sunshine

In May, the average sunshine is 10h.

UV index

The average daily maximum UV index in May in Birmingham is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in May translates into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the average May temperature in Birmingham?

During May, Birmingham experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 61°F (16.1°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 estimated at 86°F (30°C).

What is the average humidity in May in Birmingham?

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

How many days does it rain in May in Birmingham?

In Birmingham, during May, the rain falls for 12.6 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Birmingham?

April through October are months without snowfall in Birmingham, Alabama.

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

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

What time are sunrise and sunset in May in Birmingham?

On the first day of May in Birmingham, Alabama, sunrise is at 5:57 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:51 pm CDT.

How long on average sun shines in May in Birmingham?

In May, the average sunshine duration is 10h.

How high is the UV index in May in Birmingham?

The average daily maximum UV index in May in Birmingham is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Birmingham, AL

Average temperature in May - Birmingham, AL
  • Average high temperature in May: 81.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in May: 61°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in May
Birmingham, AL

Average pressure in May - Birmingham, 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).

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Average wind speed in May
Birmingham, AL

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in May
Birmingham, AL

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Birmingham, AL

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

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days in May
Birmingham, AL

Average rainfall days in May - Birmingham, AL
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in May
Birmingham, AL

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

The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Birmingham, AL

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

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Birmingham, 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Birmingham, AL

Average sunshine days in May - Birmingham, AL
  • Average sunshine days in May: 16.4 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in May
Birmingham, AL

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

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Birmingham, AL

Average cloud cover in May - Birmingham, 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).

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Average visibility in May
Birmingham, AL

Average visibility in May - Birmingham, 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).

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Birmingham, Alabama, USA

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