May weather forecast
Salem, KY

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Weather in May

The last month of the spring, May, is a warm month in Salem, Kentucky, with an average temperature varying between 75.6°F (24.2°C) and 58.5°F (14.7°C).

Temperature

In May, the average high-temperature marginally rises from a comfortable 66.7°F (19.3°C) in April to a moderately hot 75.6°F (24.2°C). In May, the nighttime temperature in Salem, Kentucky, lowers to an average of 58.5°F (14.7°C).

Humidity

May is the most humid month in Salem, with an average relative humidity of 80%.

Rainfall

In Salem, during May, the rain falls for 16.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Salem, there are 148.8 rainfall days, and 27.05" (687mm) of precipitation is accumulated.

Snowfall

In Salem, snow does not fall in May through October.

Daylight

The average length of the day in May in Salem is 14h and 11min.
On the first day of May, sunrise is at 5:57 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:07 pm CDT.

Sunshine

The average sunshine in May is 9.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What is the temperature in May in Salem?

The high-temperature, in May, in Salem, is 75.6°F (24.2°C), while the low-temperature averages to 58.5°F (14.7°C).

What is the most humid month in Salem?

The most humid month is May, with an average relative humidity of 80%.

What is the average humidity in May in Salem?

In Salem, the average relative humidity in May is 80%.

How many days does it rain in May in Salem?

In Salem, Kentucky, in May, during 16.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in Salem?

May through October are months without snowfall in Salem.

Does it snow in Salem in May?

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

How many hours of daylight does Salem have in May?

In Salem, the average day length in May is 14h and 11min.

What time are sunrise and sunset in May in Salem?

In May, on the first day of the month, sunrise is at 5:57 am and sunset at 7:42 pm. On the last day of the month, in Salem, sunrise is at 5:34 am and sunset at 8:07 pm CDT.

How long on average sun shines in May in Salem?

In May, the average sunshine duration in Salem is 9.3h.

What is the month with the highest UV index in Salem?

The months with the highest UV index in Salem are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Salem?

In Salem, Kentucky, 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 unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Salem, KY

Average temperature in May - Salem, KY
  • Average high temperature in May: 75.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in May: 58.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in May
Salem, KY

Average pressure in May - Salem, KY
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Salem, KY

Average wind speed in May - Salem, KY
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in May
Salem, KY

Average humidity in May - Salem, KY
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Salem, KY

Average rainfall in May - Salem, KY
  • Average rainfall in May: 2.56"

The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in May
Salem, KY

Average rainfall days in May - Salem, KY
  • Average rainfall days in May: 16.3 days

The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in May
Salem, KY

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

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Salem, KY

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

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Salem, KY

Average daylight in May / Average sunshine in May - Salem, KY
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Salem, KY

Average sunshine days in May - Salem, KY
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in May
Salem, KY

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

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

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Average cloud cover in May
Salem, KY

Average cloud cover in May - Salem, KY
  • Average cloud cover in May: 38

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).

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Average visibility in May
Salem, KY

Average visibility in May - Salem, KY
  • Average visibility in May: 6mi

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

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Salem, Kentucky, USA

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