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

May weather forecast and climate
Huntsville, AL

A twilight shot of the colorful neon lights that lit up the buildings and roads of Huntsville in Alabama
A twilight shot of the colorful neon lights that lit up the buildings and roads of Huntsville in Alabama
The last month of the spring, May, is a warm month in Huntsville, Alabama, with average temperature varying between 80.2°F (26.8°C) and 58.6°F (14.8°C).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 72.7°F (22.6°C) in April, to a moderately hot 80.2°F (26.8°C). In May, the average low-temperature is 58.6°F (14.8°C).

Humidity

In May, the average relative humidity is 70%.

Rainfall

In Huntsville, during 10.2 rainfall days, 5.1" (129.5mm) of precipitation is typically accumulated. Throughout the year, in Huntsville, there are 116.5 rainfall days, and 54.3" (1378.6mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in Huntsville is 14h.

Sunshine

May through July, with an average of 9h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in May is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Huntsville?

In May, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 58.6°F (14.8°C).

What is the average humidity in May in Huntsville?

In May, the average relative humidity in Huntsville is 70%.

How much does it rain in Huntsville in May?

In May, in Huntsville, Alabama, the rain falls for 10.2 days. Throughout May, 5.1" (129.5mm) of precipitation is accumulated.

When it does not snow in Huntsville?

April through November are months without snowfall in Huntsville.

How many hours of daylight does Huntsville have in May?

The average length of the day in May is 14h.

What is the month with the most sunshine in Huntsville?

May through July, with an average of 9h of sunshine, are months with the most sunshine in Huntsville, Alabama.

How long on average sun shines in May in Huntsville?

In May, the average sunshine is 9h.

What is the UV index intensity in May in Huntsville?

In Huntsville, Alabama, the average daily maximum UV index in May is 9. A UV Index reading of 8 to 10 represents a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Huntsville, AL
  • Average high temperature in May: 80.3°F

The warmest month (with the highest average high temperature) is August (89.9°F).
The month with the lowest average high temperature is January (50.1°F).

  • Average low temperature in May: 58.6°F

The month with the highest average low temperature is July (69.7°F).
The coldest month (with the lowest average low temperature) is January (31°F).

Average humidity in May - Huntsville, AL
  • Average humidity in May: 70%

The month with the highest relative humidity is August (76%).
The month with the lowest relative humidity is January (56.5%).

Average rainfall in May - Huntsville, AL
  • Average rainfall in May: 5.1"

The wettest month (with the highest rainfall) is December (5.8").
Driest months (with the lowest rainfall) are August and October (3.6").

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

The month with the highest number of rainy days is December (10.8 days).
The month with the lowest number of rainy days is September (7.5 days).

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

The month with the highest snowfall is January (1.3").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

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

The month with the highest number of snowfall days is January (0.9 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 - Huntsville, AL
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 9h

Months with most sunshine are May, June and July (Average sunshine: 9h).
Months with least sunshine are January, February, November and December (Average sunshine: 5).

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

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