May weather forecast
Olathe, KS

Weather in May

May, the last month of the spring, in Olathe, is a pleasant month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 72.9°F (22.7°C).

Temperature

In May, the average high-temperature slightly increases, from a comfortable 64°F (17.8°C) in April, to a pleasant 72.9°F (22.7°C). In May, the average low-temperature is 55.9°F (13.3°C).

Humidity

May is the most humid month in Olathe, with an average relative humidity of 79%.

Rainfall

The month with the most rainfall in Olathe, Kansas, is May when the rain falls for 17.9 days and typically aggregates up to 4.69" (119mm) of precipitation.

Snowfall

Months with snowfall in Olathe are January through May, October through December. May is the last month it regularly snows in Olathe. During 0.3 snowfall days, Olathe aggregates 0.12" (3mm) of snow. Throughout the year, in Olathe, there are 20.8 snowfall days, and 9.61" (244mm) of snow is accumulated.

Daylight

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

Sunshine

In May, the average sunshine is 8.7h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the average person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the most humid month in Olathe?

With an average relative humidity of 79%, May is the most humid month in Olathe, Kansas.

What is the average humidity in May in Olathe?

The average relative humidity in May in Olathe, Kansas, is 79%.

What is the rainiest month in Olathe?

May is the month with the most rainfall. Rain falls for 17.9 days and accumulates 4.69" (119mm) of precipitation.

How much does it rain in Olathe in May?

In Olathe, in May, it is raining for 17.9 days, with typically 4.69" (119mm) of accumulated precipitation.

What is the last month it snows in Olathe?

May is the last month it regularly snows in Olathe. During 0.3 snowfall days, in May, Olathe aggregates 0.12" (3mm) of snow.

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

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

How long on average sun shines in May in Olathe?

In Olathe, the average sunshine in May is 8.7h.

What are the months with the highest UV index in Olathe?

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 Olathe?

The average daily maximum UV index in May in Olathe is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Olathe, KS

Average temperature in May - Olathe, KS
  • Average high temperature in May: 22.7°C

The warmest month (with the highest average high temperature) is July (30.6°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in May: 13.3°C

The month with the highest average low temperature is July (20.7°C).
The coldest month (with the lowest average low temperature) is January (-5°C).

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Average pressure in May
Olathe, KS

Average pressure in May - Olathe, KS
  • Average pressure in May: 1013.4mbar

The month with the highest atmospheric pressure is January (1021.6mbar).
The month with the lowest atmospheric pressure is June (1012.1mbar).

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Average wind speed in May
Olathe, KS

Average wind speed in May - Olathe, KS
  • Average wind speed in May: 13.4km/h

The windiest month (with the highest average wind speed) is March (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

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Average humidity in May
Olathe, KS

Average humidity in May - Olathe, KS
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are October and November (70%).

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Average rainfall in May
Olathe, KS

Average rainfall in May - Olathe, KS
  • Average rainfall in May: 119mm

The wettest month (with the highest rainfall) is May (119mm).
The driest month (with the least rainfall) is January (27mm).

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Average rainfall days in May
Olathe, KS

Average rainfall days in May - Olathe, KS
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in May
Olathe, KS

Average snowfall in May - Olathe, KS
  • Average snowfall in May: 3mm

The month with the highest snowfall is February (96mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Olathe, KS

Average snowfall days in May - Olathe, KS
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (6.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Olathe, KS

Average daylight in May / Average sunshine in May - Olathe, KS
  • 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: 8.7h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 5.3h).

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Average sunshine days in May
Olathe, KS

Average sunshine days in May - Olathe, KS
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (11.2 days).

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Average UV index in May
Olathe, KS

Average UV index in May - Olathe, KS
  • Average UV index in May: 6

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

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Average cloud cover in May
Olathe, KS

Average cloud cover in May - Olathe, KS
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Olathe, KS

Average visibility in May - Olathe, KS
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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