May weather forecast
Heiberger, AL

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Weather in May

May, the last month of the spring in Heiberger, is another warm month, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 62.2°F (16.8°C).

Temperature

The shift from April to May introduces a subtle increase in the average high-temperature, moving from 76.1°F (24.5°C) to a still warm 83.8°F (28.8°C). Heiberger reports a considerable drop from daytime temperatures in May, recording an average nighttime figure of 62.2°F (16.8°C).

Heat index

The heat index in May is calculated to be a tropical 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In Heiberger, the average relative humidity in May is 72%.

Rainfall

In Heiberger, Alabama, in May, it is raining for 13.8 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 167.4 rainfall days, and 36.93" (938mm) of precipitation is accumulated.

Snowfall

In Heiberger, snow does not fall in March through October.

Daylight

In Heiberger, the average length of the day in May is 13h and 52min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:31 pm. On the last day of May, in Heiberger, Alabama, sunrise is at 5:42 am and sunset at 7:51 pm CDT.

Sunshine

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

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 exposure to the Sun's UV rays for the average person.
Note: An average UV index of 6 in May transforms into this advice:
Ward off overexposure. Defence against solar harm is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot is May in Heiberger?

May temperatures in Heiberger, Alabama, vary between a high-temperature of 83.8°F (28.8°C) and a low-temperature of 62.2°F (16.8°C). In May, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in May in Heiberger?

In Heiberger, Alabama, the average relative humidity in May is 72%.

How much does it rain in Heiberger in May?

In Heiberger, Alabama, during May, the rain falls for 13.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow in Heiberger?

March through October are months without snowfall in Heiberger, Alabama.

How many hours of daylight does Heiberger have in May?

In May, the average day length is 13h and 52min.

When are sunrise and sunset in May in Heiberger?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:31 pm. On the last day of the month, in Heiberger, sunrise is at 5:42 am and sunset at 7:51 pm CDT.

How many hours of sunshine does Heiberger have in May?

In May, the average sunshine duration in Heiberger is 10.1h.

What is the UV index reading in May in Heiberger?

The average daily maximum UV index in May in Heiberger is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe 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
Heiberger, AL

Average temperature in May - Heiberger, AL
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in May: 62.2°F

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

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Average pressure in May
Heiberger, AL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in May
Heiberger, AL

Average wind speed in May - Heiberger, AL
  • Average wind speed in May: 5.8mph

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 (4.7mph).

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Average humidity in May
Heiberger, AL

Average humidity in May - Heiberger, AL
  • Average humidity in May: 72%

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

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Average rainfall in May
Heiberger, AL

Average rainfall in May - Heiberger, AL
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
Heiberger, AL

Average rainfall days in May - Heiberger, AL
  • Average rainfall days in May: 13.8 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).

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Average snowfall in May
Heiberger, AL

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

The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in May
Heiberger, AL

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

The month with the highest number of snowfall days is January (1.1 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
Heiberger, AL

Average daylight in May / Average sunshine in May - Heiberger, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

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Average sunshine days in May
Heiberger, AL

Average sunshine days in May - Heiberger, AL
  • Average sunshine days in May: 15.6 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in May
Heiberger, AL

Average UV index in May - Heiberger, 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).

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Average cloud cover in May
Heiberger, AL

Average cloud cover in May - Heiberger, AL
  • Average cloud cover in May: 33

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

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Average visibility in May
Heiberger, AL

Average visibility in May - Heiberger, 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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Heiberger, Alabama, USA

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