May weather forecast and climate
Opelika, AL

Weather in May

The last month of the spring, May, is another warm month in Opelika, Alabama, with average temperature ranging between min 61.7°F (16.5°C) and max 83.3°F (28.5°C).

Temperature

In May, the average high-temperature slightly increases, from 75.4°F (24.1°C) in April, to a still warm 83.3°F (28.5°C). The average low-temperature, in Opelika, is 61.7°F (16.5°C).

Heat index

The average heat index in May is calculated to a hot 89.2°F (31.8°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, clothing, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

The average relative humidity in Opelika, Alabama, is 71%.

Rainfall

In Opelika, during May, the rain falls for 14.7 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Opelika, Alabama, there are 173.9 rainfall days, and 37.64" (956mm) of precipitation is accumulated.

Snowfall

In Opelika snow does not fall in April through November.

Daylight

In Opelika, the average length of the day is 13.9h.

Sunshine

In Opelika, Alabama, the average sunshine is 10.3h.

UV index

In Opelika, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. 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.
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FAQ

What is the temperature in May in Opelika?

In Opelika, Alabama, in May, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 61.7°F (16.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in May is calculated to 89.2°F (31.8°C).

What is the average humidity in May in Opelika?

In Opelika, Alabama, the average relative humidity in May is 71%.

How much does it rain in Opelika in May?

In Opelika, in May, during 14.7 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Opelika?

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

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

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

How many hours of sunshine does Opelika have in May?

In Opelika, Alabama, the average sunshine in May is 10.3h.

What is the UV index intensity in May in Opelika?

In Opelika, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.

Average temperature in May
Opelika, AL

Average temperature in May - Opelika, AL
  • Average high temperature in May: 83.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in May: 61.7°F

Months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in May
Opelika, AL

Average pressure in May - Opelika, AL
  • Average pressure in May: 30.02"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in May
Opelika, AL

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

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in May
Opelika, AL

Average humidity in May - Opelika, AL
  • Average humidity in May: 71%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Opelika, AL

Average rainfall in May - Opelika, AL
  • Average rainfall in May: 2.8"

The wettest months (with the highest rainfall) are August and December (4.06").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in May
Opelika, AL

Average rainfall days in May - Opelika, AL
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in May
Opelika, AL

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

The month with the highest snowfall is February (0.31").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Opelika, AL

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

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

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

Average daylight in May / Average sunshine in May - Opelika, 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: 10.3h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days in May
Opelika, AL

Average sunshine days in May - Opelika, AL
  • Average sunshine days in May: 14.8 days

Months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.5 days).

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Average UV index in May
Opelika, AL

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in May
Opelika, AL

Average cloud cover in May - Opelika, AL
  • Average cloud cover in May: 31

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in May
Opelika, AL

Average visibility in May - Opelika, 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).

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