May weather forecast
Columbia, KY

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Weather in May

May, the last month of the spring in Columbia, is a moderately hot month, with an average temperature fluctuating between 56.7°F (13.7°C) and 75.7°F (24.3°C).

Temperature

Columbia observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's refreshing 66.9°F (19.4°C) to a moderately hot 75.7°F (24.3°C). Columbia's average low-temperature during May nights is observed to be a moderate 56.7°F (13.7°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Columbia, during May, the rain falls for 17.8 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Columbia, during the entire year, the rain falls for 174.3 days and collects up to 38.27" (972mm) of precipitation.

Snowfall

In Columbia, snow does not fall in May through September.

Daylight

In Columbia, the average length of the day in May is 14h and 10min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:30 pm. On the last day of May, sunrise is at 5:22 am and sunset at 7:55 pm CDT.

Sunshine

In Columbia, the average sunshine in May is 9.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What is the usual temperature for Columbia in May?

May temperatures vary between a high-temperature of 75.7°F (24.3°C) and a low-temperature of 56.7°F (13.7°C).

What is the average humidity in May?

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

How many days does it rain in May?

In May, the rain falls for 17.8 days. Throughout May, 3.62" (92mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Columbia have in May?

In May, the average day length is 14h and 10min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 7:55 pm CDT.

How long on average sun shines in May?

In Columbia, the average sunshine duration in May is 9.2h.

When is the highest UV index?

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

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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
Columbia, KY

Average temperature in May - Columbia, KY
  • Average high temperature in May: 75.7°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in May: 56.7°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in May
Columbia, KY

Average pressure in May - Columbia, KY
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in May
Columbia, KY

Average wind speed in May - Columbia, KY
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Columbia, KY

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

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

Average rainfall in May
Columbia, KY

Average rainfall in May - Columbia, KY
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in May
Columbia, KY

Average rainfall days in May - Columbia, KY
  • Average rainfall days in May: 17.8 days

The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in May
Columbia, KY

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

The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Columbia, KY

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

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Columbia, 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 42min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

Average sunshine days in May
Columbia, KY

Average sunshine days in May - Columbia, KY
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in May
Columbia, KY

Average UV index in May - Columbia, 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).

Average cloud cover in May
Columbia, KY

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

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Columbia, KY

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

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

Columbia, Kentucky, USA

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