May weather forecast and climate
Altro, KY

The last month of the spring, May, is a warm month in Altro, Kentucky, with average temperature ranging between max 75°F (23.9°C) and min 53.8°F (12.1°C).

Temperature

In Altro, the average high-temperature increases, from a comfortable 65.8°F (18.8°C) in April, to a moderately hot 75°F (23.9°C). The average low-temperature, in May, is 53.8°F (12.1°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In Altro, during May, the rain falls for 18.6 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Altro, Kentucky, there are 168.8 rainfall days, and 24.84" (631mm) of precipitation is accumulated.

Snowfall

In Altro snow does not fall through September.

Daylight

The average length of the day in Altro, Kentucky, is 14.2h.

Sunshine

In May, the average sunshine in Altro is 9.3h.

UV index

Months with the highest UV index are May, June and August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Altro?

In May, in Altro, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 53.8°F (12.1°C).

What is the average humidity in May in Altro?

In May, the average relative humidity in Altro is 78%.

How many days does it rain in May in Altro?

In Altro, Kentucky, in May, it is raining for 18.6 days, with typically 2.44" (62mm) of accumulated precipitation.

Does it snow in Altro in May?

In May, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Altro?

In Altro, Kentucky, snow does not fall in May through September.

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

In Altro, Kentucky, the average length of the day in May is 14.2h.

How long on average sun shines in May in Altro?

In May, the average sunshine in Altro is 9.3h.

When is the highest UV index in Altro?

Months with the highest UV index in Altro, Kentucky, are May, June and August, with an average maximum UV index of 6.

How high is the UV index in May in Altro?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in May - Altro, KY
  • Average high temperature in May: 75°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in May: 53.8°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in May - Altro, KY
  • Average pressure in May: 30.01"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

Average wind speed in May - Altro, KY
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May - Altro, KY
  • Average humidity in May: 78%

Months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in May - Altro, KY
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in May - Altro, KY
  • Average rainfall days in May: 18.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in May - Altro, KY
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.15").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May - Altro, KY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Altro, KY
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 9.3h

Months with the most sunshine are June, July and August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.3h).

Average sunshine days in May - Altro, KY
  • Average sunshine days in May: 9.7 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in May - Altro, KY
  • Average UV index in May: 6

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

Average cloud cover in May - Altro, KY
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May - Altro, KY
  • Average visibility in May: 5mi

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