May weather forecast
Erin, AL

Share

Weather in May

The last month of the spring, May, is a warm month in Erin, Alabama, with an average temperature ranging between min 59.7°F (15.4°C) and max 81°F (27.2°C).

Temperature

The shift from April to May is marked by a slight increase in the average high-temperature, moving from a pleasant 72.9°F (22.7°C) to a moderately hot 81°F (27.2°C). Nighttime temperatures in Erin, Alabama, consistently average a refreshing 59.7°F (15.4°C) during May.

Heat index

During May, the heat index is computed to be a tropical 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In May, the average relative humidity in Erin, Alabama, is 74%.

Rainfall

In Erin, in May, it is raining for 16.4 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Erin, there are 184.6 rainfall days, and 42.6" (1082mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Erin, Alabama.

Daylight

The average length of the day in May in Erin is 13h and 54min.
On the first day of May, sunrise is at 5:54 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in May is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Erin, Alabama. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
[Resources]

Frequently asked questions

What is the average May temperature in Erin?

In Erin, 81°F (27.2°C) is the average high-temperature and 59.7°F (15.4°C) is the average low-temperature during May. In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the average humidity in May in Erin?

In May, the average relative humidity is 74%.

How many days does it rain in May in Erin?

In Erin, in May, it is raining for 16.4 days, with typically 3.23" (82mm) of accumulated precipitation.

When it does not snow in Erin?

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

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

In Erin, Alabama, the average day length in May is 13h and 54min.

When are sunrise and sunset in May in Erin?

On the first day of May in Erin, sunrise is at 5:54 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:47 pm CDT.

How many hours of sunshine does Erin have in May?

In Erin, the average sunshine duration in May is 10.2h.

What are the months with the highest UV index in Erin?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Erin?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Erin, AL

Average temperature in May - Erin, AL
  • Average high temperature in May: 81°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in May: 59.7°F

The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

[Resources]

Average pressure in May
Erin, AL

Average pressure in May - Erin, AL
  • Average pressure in May: 30.02"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).

[Resources]

Average wind speed in May
Erin, AL

Average wind speed in May - Erin, AL
  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

[Resources]

Average humidity in May
Erin, AL

Average humidity in May - Erin, 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 (73%).

[Resources]

Average rainfall in May
Erin, AL

Average rainfall in May - Erin, AL
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (4.37").
The driest month (with the least rainfall) is October (2.09").

[Resources]

Average rainfall days in May
Erin, AL

Average rainfall days in May - Erin, AL
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is November (8.3 days).

[Resources]

Average snowfall in May
Erin, AL

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

The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in May
Erin, AL

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

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in May / Average sunshine in May - Erin, 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 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in May
Erin, AL

Average sunshine days in May - Erin, AL
  • Average sunshine days in May: 12.7 days

The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (5.6 days).

[Resources]

Average UV index in May
Erin, AL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in May
Erin, AL

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

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 31).

[Resources]

Average visibility in May
Erin, AL

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

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

[Resources]

Erin, Alabama, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location