May weather forecast
Cullman, AL

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Weather in May

May, the last month of the spring in Cullman, is a moderately hot month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 79.3°F (26.3°C).

Temperature

Cullman's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's agreeable 71.4°F (21.9°C) to a moderately hot 79.3°F (26.3°C). During May in Cullman, the average low-temperature is recorded at a refreshing 59.7°F (15.4°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Cullman, in May, during 16 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, in Cullman, there are 176.2 rainfall days, and 40.43" (1027mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May is 13h and 58min.
On the first day of May in Cullman, sunrise is at 5:56 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:53 pm CDT.

Sunshine

The average sunshine in May in Cullman is 9.8h.

UV index

The months with the highest UV index in Cullman, Alabama, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 6 in May translates into these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the temperature in May in Cullman?

The high-temperature during May is 79.3°F (26.3°C) and the low-temperature is 59.7°F (15.4°C).

What is the average humidity in May in Cullman?

The average relative humidity in May in Cullman is 76%.

How many days does it rain in May in Cullman?

In May, in Cullman, the rain falls for 16 days. Throughout May, 3.15" (80mm) of precipitation is accumulated.

When it does not snow in Cullman?

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

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

In Cullman, the average day length in May is 13h and 58min.

When are sunrise and sunset in May in Cullman?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:53 pm CDT.

How long on average sun shines in May in Cullman?

In May, the average sunshine duration in Cullman is 9.8h.

When is the highest UV index in Cullman?

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

What is the UV index intensity in May in Cullman?

In Cullman, Alabama, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
Cullman, AL

Average temperature in May - Cullman, AL
  • Average high temperature in May: 79.3°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 (48.9°F).

  • Average low temperature in May: 59.7°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in May
Cullman, AL

Average pressure in May - Cullman, 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
Cullman, AL

Average wind speed in May - Cullman, AL
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in May
Cullman, AL

Average humidity in May - Cullman, AL
  • Average humidity in May: 76%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Cullman, AL

Average rainfall in May - Cullman, AL
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is November (2.36").

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Average rainfall days in May
Cullman, AL

Average rainfall days in May - Cullman, AL
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in May
Cullman, AL

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

The month with the highest snowfall is January (0.67").
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
Cullman, AL

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

The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Cullman, AL
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Cullman, AL

Average sunshine days in May - Cullman, AL
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.6 days).

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Average UV index in May
Cullman, AL

Average UV index in May - Cullman, 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 and December (UV index 2).

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Average cloud cover in May
Cullman, AL

Average cloud cover in May - Cullman, AL
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in May
Cullman, AL

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

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