January weather forecast
Olathe, KS

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Weather in January

January is characterized by chilly weather in Olathe, Kansas with frequent snowfall. Gradually, it gets colder and colder from December's mild conditions. A notable feature in January is that it experiences one of the lowest average temperatures, from 23°F (-5°C) to 37.6°F (3.1°C), and the city sees up to 2.36" (60mm) of snowfall on an average. Although the days are quite short, winter sports enthusiasts find great pleasure in the month's snowy days. As January ends, there is a slight increase in daily temperature, indicative of the approaching spring.

Temperature

January stands out as Olathe's coldest month, with an average high-temperature of 37.6°F (3.1°C) and a low-temperature of 23°F (-5°C).

Humidity

The average relative humidity in January is 73%.

Rainfall

The month with the least rainfall in Olathe is January, when the rain falls for 6.1 days and typically collects 1.06" (27mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, in Olathe, it is snowing for 5.3 days. Throughout January, 2.36" (60mm) of snow is accumulated. Throughout the year, there are 20.8 snowfall days, and 9.61" (244mm) of snow is accumulated.

Daylight

In Olathe, the average length of the day in January is 9h and 49min.
On the first day of January in Olathe, sunrise is at 7:37 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:38 pm CST.

Sunshine

The month with the least sunshine in Olathe is January, with an average of 5.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olathe. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Olathe?

January, noted for its average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 23°F (-5°C), is considered the coldest month.

How cold does it get in Olathe in January?

Olathe in January has an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 23°F (-5°C).

What is the average humidity in January in Olathe?

The average relative humidity in January is 73%.

What is the driest month in Olathe?

The month with the least rainfall in Olathe, Kansas, is January, when the rain falls for 6.1 days and typically collects 1.06" (27mm) of precipitation.

How much does it rain in Olathe in January?

In January, in Olathe, the rain falls for 6.1 days. Throughout January, 1.06" (27mm) of precipitation is accumulated.

How much does it snow in Olathe in January?

In Olathe, Kansas, in January, snow falls for 5.3 days, with typically accumulated 2.36" (60mm) of snow.

How many hours of daylight does Olathe have in January?

The average day length in January is 9h and 49min.

When are sunrise and sunset in January in Olathe?

In January, on the first day of the month, sunrise is at 7:37 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Olathe?

January has the least sunshine of the year in Olathe, Kansas, with an average of 5.3h of sunshine.

How long on average sun shines in January in Olathe?

In January, the average sunshine duration is 5.3h.

When is the lowest UV index in Olathe?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olathe.

What is the UV index intensity in January in Olathe?

In Olathe, Kansas, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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 January
Olathe, KS

Average temperature in January - Olathe, KS
  • Average high temperature in January: 37.6°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 January: 23°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 January
Olathe, KS

Average pressure in January - Olathe, KS
  • Average pressure in January: 30.17"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 January
Olathe, KS

Average wind speed in January - Olathe, KS
  • Average wind speed in January: 9.9mph

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 January
Olathe, KS

Average humidity in January - Olathe, KS
  • Average humidity in January: 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 January
Olathe, KS

Average rainfall in January - Olathe, KS
  • Average rainfall in January: 1.06"

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 January
Olathe, KS

Average rainfall days in January - Olathe, KS
  • Average rainfall days in January: 6.1 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 January
Olathe, KS

Average snowfall in January - Olathe, KS
  • Average snowfall in January: 2.36"

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 January
Olathe, KS

Average snowfall days in January - Olathe, KS
  • Average snowfall days in January: 5.3 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 January /
Average sunshine in January
Olathe, KS

Average daylight in January / Average sunshine in January - Olathe, KS
  • Average daylight in January: 9h and 5min

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 January: 5h 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 January
Olathe, KS

Average sunshine days in January - Olathe, KS
  • Average sunshine days in January: 20.5 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 January
Olathe, KS

Average UV index in January - Olathe, KS
  • Average UV index in January: 2

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 January
Olathe, KS

Average cloud cover in January - Olathe, KS
  • Average cloud cover in January: 42

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 January
Olathe, KS

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