May weather forecast
Olathe, KS

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Weather in May

May marks a transition from the delightful spring season to the beginning of summer in Olathe. The city is often filled with joy and celebration as the weather becomes more conducive for outdoor activities. The significant weather note for May is the heaviest rainfall, averaging at 4.69", causing a blossoming of the city's flora. Warm, sunny, and longer days are typical during this month, alongside a significant decrease in cloud cover. As the month concludes, temperatures climb higher, hinting at the arrival of June's summer heat.

Temperature

As Olathe transitions into May, the average high-temperature is observed to slightly rise from an enjoyable 64°F in April to a pleasant 72.9°F. In May, Olathe experiences a temperature dip to an average of 55.9°F at night.

Humidity

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

Rainfall

May is the month with the most rainfall in Olathe. Rain falls for 17.9 days and accumulates 4.69" of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 19min.
On the first day of May in Olathe, Kansas, sunrise is at 6:21 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:37 pm CDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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FAQ

What is the temperature in May in Olathe?

In May, in Olathe, the average high-temperature is 72.9°F, and the average low-temperature is 55.9°F.

What is the most humid month in Olathe?

The most humid month is May, with an average relative humidity of 79%.

What is the average humidity in May in Olathe?

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

What is the rainiest month in Olathe?

May is the month with the most rainfall in Olathe. Rain falls for 17.9 days and accumulates 4.69" of precipitation.

How many days does it rain in May in Olathe?

In Olathe, Kansas, during May, the rain falls for 17.9 days and regularly aggregates up to 4.69" of precipitation.

What is the last month it snows in Olathe?

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

How many hours of daylight does Olathe have in May?

In Olathe, Kansas, the average day length in May is 14h and 19min.

When is the sunrise / sunset in May in Olathe?

On the first day of May in Olathe, sunrise is at 6:21 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:37 pm CDT.

How long on average sun shines in May in Olathe?

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

When is the highest UV index in Olathe?

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

What is the UV index reading in May in Olathe?

In May, the average daily maximum UV index in Olathe, Kansas, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Olathe, KS

Average temperature in May - Olathe, KS
  • Average high temperature in May: 72.9°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in May
Olathe, KS

Average pressure in May - Olathe, KS
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Olathe, KS

Average wind speed in May - Olathe, KS
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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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%).
The 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: 4.69"

The wettest month (with the highest rainfall) is May (4.69").
The driest month (with the least rainfall) is January (1.06").

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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: 0.12"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").

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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).
The 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: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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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

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, 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: 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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Olathe, Kansas, USA

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