May weather forecast and climate
Dunrowin, AL

May, the last month of the spring, in Dunrowin, is a warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 81°F (27.2°C).

Temperature

In Dunrowin, Alabama, the average high-temperature slightly increases, from a pleasant 73°F (22.8°C) in April, to a moderately hot 81°F (27.2°C). In Dunrowin, the average low-temperature is 60.1°F (15.6°C).

Heat index

In May, the average heat index is evaluated at 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'feels like', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, wind, differences in body mass, height, and shape). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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 in Dunrowin, Alabama, is 75%.

Rainfall

In Dunrowin, it is raining for 16.4 days, with typically 3.23" (82mm) of accumulated precipitation. In Dunrowin, during the entire year, the rain falls for 184.1 days and collects up to 41.97" (1066mm) of precipitation.

Snowfall

In Dunrowin, Alabama, snow does not fall in March through November.

Daylight

In May, the average length of the day in Dunrowin, Alabama, is 13.9h.

Sunshine

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

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Dunrowin. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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 Dunrowin?

The average high-temperature, in May, in Dunrowin, is 81°F (27.2°C), while the average low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in May is calculated to 85.5°F (29.7°C).

What is the average humidity in May in Dunrowin?

In May, the average relative humidity is 75%.

How many days does it rain in May in Dunrowin?

In May, in Dunrowin, the rain falls for 16.4 days. Throughout May, 3.23" (82mm) of precipitation is accumulated.

When it does not snow in Dunrowin?

March through November are months without snowfall in Dunrowin.

How many hours of daylight does Dunrowin have in May?

In May, the average length of the day in Dunrowin is 13.9h.

How long on average sun shines in May in Dunrowin?

In May, the average sunshine in Dunrowin, Alabama, is 10.1h.

When is the highest UV index in Dunrowin?

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

How high is the UV index in May in Dunrowin?

In Dunrowin, 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 the exposure to the Sun's UV rays.
Average temperature in May - Dunrowin, AL
  • Average high temperature in May: 81°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in May: 60.1°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 (35.1°F).

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

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in May - Dunrowin, AL
  • Average humidity in May: 75%

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

Average rainfall in May - Dunrowin, AL
  • Average rainfall in May: 3.23"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in May - Dunrowin, AL
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (9.2 days).

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

The month with the highest snowfall is January (0.91").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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

The month with the highest number of snowfall days is February (1.6 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 - Dunrowin, AL
  • Average daylight in May: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 10.1h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in May - Dunrowin, AL
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (6.2 days).

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

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

Average cloud cover in May - Dunrowin, AL
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in May - Dunrowin, 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).