April weather forecast
Olathe, KS

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Weather in April

April sees further improvement in weather conditions from March in Olathe, offering warmer and longer days. The rise in temperature, combined with generous amounts of rainfall, creates an ideal environment for flora and fauna to thrive. Though rainfall is slightly up from March, reaching an average height of 2.83" (72mm), it maintains the city's fresh and vibrant springtime atmosphere. As April progresses, the weather becomes increasingly clear and sunny, with daylight hours extending even further. The month's end sets the stage for the upcoming summer season.

Temperature

April in Olathe sees a temperature increase, moving from a fresh 54.7°F (12.6°C) in March to a refreshing 64°F (17.8°C). During the nights in April, an average low-temperature of 46°F (7.8°C) is observed in Olathe.

Humidity

In April, the average relative humidity in Olathe is 73%.

Rainfall

In Olathe, in April, during 14.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 137 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Olathe, during April, snow falls for 0.3 days and regularly aggregates up to 0.2" (5mm) of snow. In Olathe, during the entire year, snow falls for 20.8 days and aggregates up to 9.61" (244mm) of snow.

Daylight

The average length of the day in April is 13h and 15min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:43 pm. On the last day of April, sunrise is at 6:21 am and sunset at 8:11 pm CDT.

Sunshine

The average sunshine in April in Olathe is 8.4h.

UV index

The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in April translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Olathe?

During April, Olathe experiences an average high-temperature of 64°F (17.8°C) and a low-temperature of 46°F (7.8°C).

What is the average humidity in April in Olathe?

In Olathe, Kansas, the average relative humidity in April is 73%.

How much does it rain in Olathe in April?

In Olathe, Kansas, in April, during 14.3 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How much does it snow in Olathe in April?

In April, in Olathe, Kansas, it is snowing for 0.3 days. Throughout April, 0.2" (5mm) of snow is accumulated.

How many hours of daylight does Olathe have in April?

In Olathe, Kansas, the average day length in April is 13h and 15min.

When are sunrise and sunset in April in Olathe?

On the first day of April in Olathe, sunrise is at 7:02 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:11 pm CDT.

How long on average sun shines in April in Olathe?

In April, the average sunshine duration in Olathe is 8.4h.

What is the UV index intensity in April in Olathe?

In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Olathe, KS

Average temperature in April - Olathe, KS
  • Average high temperature in April: 64°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 April: 46°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 April
Olathe, KS

Average pressure in April - Olathe, KS
  • Average pressure in April: 29.91"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 April
Olathe, KS

Average wind speed in April - Olathe, KS
  • Average wind speed in April: 10.1mph

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 April
Olathe, KS

Average humidity in April - Olathe, KS
  • Average humidity in April: 73%

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 April
Olathe, KS

Average rainfall in April - Olathe, KS
  • Average rainfall in April: 2.83"

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 April
Olathe, KS

Average rainfall days in April - Olathe, KS
  • Average rainfall days in April: 14.3 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 April
Olathe, KS

Average snowfall in April - Olathe, KS
  • Average snowfall in April: 0.2"

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 April
Olathe, KS

Average snowfall days in April - Olathe, KS
  • Average snowfall days in April: 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 April /
Average sunshine in April
Olathe, KS

Average daylight in April / Average sunshine in April - Olathe, KS
  • Average daylight in April: 13h and 1min

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 April: 8h and 2min

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 April
Olathe, KS

Average sunshine days in April - Olathe, KS
  • Average sunshine days in April: 14.1 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 April
Olathe, KS

Average UV index in April - Olathe, KS
  • Average UV index in April: 5

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 April
Olathe, KS

Average cloud cover in April - Olathe, KS
  • Average cloud cover in April: 40

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 April
Olathe, KS

Average visibility in April - Olathe, KS
  • Average visibility in April: 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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