May weather forecast and climate
Butler, KY

May, the last month of the spring, in Butler, is a warm month, with average temperature fluctuating between 74.8°F (23.8°C) and 55.4°F (13°C).

Temperature

In Butler, the average high-temperature in May rises, from an enjoyable 64.6°F (18.1°C) in April, to a moderately hot 74.8°F (23.8°C). In May, in Butler, the average low-temperature is 55.4°F (13°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

May is the month with the most rainfall in Butler. Rain falls for 17.1 days and accumulates 3.03" (77mm) of precipitation.

Snowfall

May through October are months without snowfall in Butler.

Daylight

In Butler, the average length of the day in May is 14.3h.

Sunshine

In Butler, the average sunshine is 9h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Butler?

In May, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 55.4°F (13°C).

What is the average humidity in May in Butler?

In May, the average relative humidity in Butler, Kentucky, is 79%.

How much does it rain in Butler in May?

In May, the rain falls for 17.1 days. Throughout May, 3.03" (77mm) of precipitation is accumulated.

What is the rainiest month in Butler?

May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 3.03" (77mm) of precipitation.

Does it snow in Butler in May?

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

When it does not snow in Butler?

May through October are months without snowfall in Butler, Kentucky.

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

The average length of the day in May is 14.3h.

How long on average sun shines in May in Butler?

In Butler, Kentucky, the average sunshine in May is 9h.

What is the UV index reading in May in Butler?

In May, the average daily maximum UV index in Butler is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in May - Butler, KY
  • Average high temperature in May: 74.8°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 (37.4°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in May - Butler, KY
  • Average pressure in May: 29.98"

Months with the highest atmospheric pressure are January and November (30.15").
The month with the lowest atmospheric pressure is June (29.95").

Average wind speed in May - Butler, KY
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in May - Butler, KY
  • Average humidity in May: 79%

Months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in May - Butler, KY
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in May - Butler, KY
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.8 days).

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

The month with the highest snowfall is January (1.89").
Months with the least snowfall are May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (8.4 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Butler, KY
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 9h

The month with the most sunshine is August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 4.1h).

Average sunshine days in May - Butler, KY
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in May - Butler, KY
  • Average UV index in May: 5

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

Average cloud cover in May - Butler, KY
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

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

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