May weather forecast and climate
Penn, AL

Weather in May

May, the last month of the spring, in Penn, is a warm month, with average temperature varying between 79.2°F (26.2°C) and 59.9°F (15.5°C).

Temperature

In May, the average high-temperature marginally rises, from an agreeable 71.1°F (21.7°C) in April, to a warm 79.2°F (26.2°C). In Penn, the average low-temperature is 59.9°F (15.5°C).

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Penn, during 15.9 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 41.38" (1051mm) of precipitation is accumulated.

Snowfall

In Penn, Alabama, snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine in Penn is 9.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Penn?

The average high-temperature, in May, in Penn, Alabama, is 79.2°F (26.2°C), while the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in May in Penn?

In Penn, the average relative humidity in May is 76%.

How many days does it rain in May in Penn?

In Penn, Alabama, in May, during 15.9 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

When it does not snow in Penn?

April through October are months without snowfall in Penn, Alabama.

How many hours of daylight does Penn have in May?

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

How long on average sun shines in May in Penn?

In May, the average sunshine in Penn is 9.6h.

What is the month with the highest UV index in Penn?

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

How high is the UV index in May in Penn?

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

Average temperature in May
Penn, AL

Average temperature in May - Penn, AL
  • Average high temperature in May: 79.2°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in May: 59.9°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 (33.6°F).

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Average pressure in May
Penn, AL

Average pressure in May - Penn, AL
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in May
Penn, AL

Average wind speed in May - Penn, AL
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in May
Penn, AL

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Penn, AL

Average rainfall in May - Penn, AL
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in May
Penn, AL

Average rainfall days in May - Penn, AL
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in May
Penn, AL

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

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Penn, AL

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

The month with the highest number of snowfall days is February (2.1 days).
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
Penn, AL

Average daylight in May / Average sunshine in May - Penn, AL
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 9.6h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in May
Penn, AL

Average sunshine days in May - Penn, AL
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in May
Penn, AL

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in May
Penn, AL

Average cloud cover in May - Penn, AL
  • Average cloud cover in May: 36

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in May
Penn, AL

Average visibility in May - Penn, 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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