May weather forecast and climate
Catherine, AL

The last month of the spring, May, is another warm month in Catherine, Alabama, with average temperature fluctuating between 62.6°F (17°C) and 85.3°F (29.6°C).

Temperature

In May, the average high-temperature marginally rises, from a warm 77.7°F (25.4°C) in April, to a still moderately hot 85.3°F (29.6°C). In Catherine, in May, the average low-temperature is 62.6°F (17°C).

Heat index

The average heat index is estimated at a tropical 94.1°F (34.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, pregnancy, clothing, and differences in body mass, height, and shape affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

In May, the average relative humidity is 72%.

Rainfall

In Catherine, it is raining for 13.9 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 171.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

In Catherine snow does not fall in April through November.

Daylight

The average length of the day in Catherine is 13.8h.

Sunshine

The average sunshine is 10.1h.

UV index

In Catherine, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
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. 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 Catherine?

In May, in Catherine, Alabama, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in May is appraised at 94.1°F (34.5°C).

What is the average humidity in May in Catherine?

In May, the average relative humidity is 72%.

How much does it rain in Catherine in May?

In May, in Catherine, Alabama, the rain falls for 13.9 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Catherine?

April through November are months without snowfall in Catherine.

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

In May, the average length of the day in Catherine, Alabama, is 13.8h.

How many hours of sunshine does Catherine have in May?

In Catherine, the average sunshine in May is 10.1h.

What is the UV index intensity in May in Catherine?

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Catherine, AL
  • Average high temperature in May: 85.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in May: 62.6°F

Months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in May - Catherine, AL
  • Average pressure in May: 30"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June and August (29.97").

Average wind speed in May - Catherine, AL
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in May - Catherine, AL
  • Average humidity in May: 72%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May - Catherine, AL
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in May - Catherine, AL
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).

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

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

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

The month with the highest number of snowfall days is January (0.6 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Catherine, AL
  • Average daylight in May: 13.8h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in May: 10.1h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in May - Catherine, AL
  • Average sunshine days in May: 15.2 days

Months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).

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

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

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

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in May - Catherine, AL
  • Average visibility in May: 5mi

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