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" (119mm), 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

Olathe's weather in May presents a minor rise in the average high-temperature, moving from a refreshing 64°F (17.8°C) in April to an agreeable 72.9°F (22.7°C). Olathe reports a consistent average low-temperature of 55.9°F (13.3°C) throughout May nights.

Humidity

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

Rainfall

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

Snowfall

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

Daylight

The average length of the day in May is 14h and 19min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:12 pm. On the last day of May, in Olathe, Kansas, sunrise is at 5:55 am and sunset at 8:38 pm CDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

The months with the highest UV index in Olathe are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What is the temperature in May in Olathe?

Olathe in May has an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 55.9°F (13.3°C).

What is the most humid month in Olathe?

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

What is the average humidity in May in Olathe?

The average relative humidity in May is 79%.

What is the wettest month in Olathe?

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

How much does it rain in Olathe in May?

In Olathe, in May, during 17.9 rainfall days, 4.69" (119mm) of precipitation is typically accumulated.

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" (3mm) of snow.

How many hours of daylight does Olathe have in May?

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

What time are sunrise and sunset in May in Olathe?

On the first day of May in Olathe, sunrise is at 6:20 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:38 pm CDT.

How long on average sun shines in May in Olathe?

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

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

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

What is the UV index reading in May in Olathe?

The average daily maximum UV index in May in Olathe, Kansas, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Olathe, Kansas, USA

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