May weather forecast and climate
Altoona, AL

May, the last month of the spring, in Altoona, is a moderately hot month, with average temperature fluctuating between 59.2°F (15.1°C) and 79.3°F (26.3°C).

Temperature

In Altoona, Alabama, the average high-temperature slightly increases, from an agreeable 72.1°F (22.3°C) in April, to a warm 79.3°F (26.3°C). In Altoona, the average low-temperature is 59.2°F (15.1°C).

Humidity

In Altoona, the average relative humidity is 76%.

Rainfall

In May, the rain falls for 16.3 days. Throughout May, 3.19" (81mm) of precipitation is accumulated. In Altoona, Alabama, during the entire year, the rain falls for 180.2 days and collects up to 42.24" (1073mm) of precipitation.

Snowfall

In Altoona snow does not fall in April through October.

Daylight

In Altoona, Alabama, the average length of the day in May is 14h.

Sunshine

The average sunshine in May is 9.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Altoona, Alabama. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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.

What is the temperature in May in Altoona?

The average high-temperature, in May, in Altoona, Alabama, is 79.3°F (26.3°C), while the average low-temperature is 59.2°F (15.1°C).

What is the average humidity in May in Altoona?

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

How much does it rain in Altoona in May?

In Altoona, during May, the rain falls for 16.3 days and regularly aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Altoona?

April through October are months without snowfall in Altoona.

How many hours of daylight does Altoona have in May?

In May, the average length of the day in Altoona is 14h.

How many hours of sunshine does Altoona have in May?

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

When is the highest UV index in Altoona?

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

What is the UV index reading in May in Altoona?

The average daily maximum UV index in May 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 - Altoona, AL
  • Average high temperature in May: 79.3°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.1°F).

  • Average low temperature in May: 59.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in May - Altoona, 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").

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

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in May - Altoona, 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 (73%).

Average rainfall in May - Altoona, AL
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.4").

Average rainfall days in May - Altoona, AL
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (10.1 days).

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

The month with the highest snowfall is January (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is February (1.2 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Altoona, 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: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.5h).

Average sunshine days in May - Altoona, AL
  • Average sunshine days in May: 13.4 days

Months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in May - Altoona, 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).

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

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June and September (Cloud cover 32).

Average visibility in May - Altoona, AL
  • Average visibility in May: 6mi

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