January weather forecast and climate
Olathe, KS

January, like December, in Olathe, Kansas, is a wintry winter month, with average temperature fluctuating between 37.6°F (3.1°C) and 23°F (-5°C).

Temperature

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

Humidity

In Olathe, 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 Olathe, in January, during 5.3 snowfall days, 2.36" (60mm) of snow is typically accumulated. Throughout the year, in Olathe, there are 20.8 snowfall days, and 9.61" (244mm) of snow is accumulated.

Daylight

The average length of the day in January is 9.8h.

Sunshine

With an average of 5.3h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Olathe?

The coldest month in Olathe, Kansas, is January, with an average high-temperature of 37.6°F (3.1°C) and an average low-temperature of 23°F (-5°C).

What is the temperature in January in Olathe?

In Olathe, Kansas, in January, the average high-temperature is 37.6°F (3.1°C), and the average low-temperature is 23°F (-5°C).

What is the average humidity in January in Olathe?

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

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.

What is the driest month in Olathe?

January is the month with the least rainfall in Olathe, Kansas. Rain falls for 6.1 days and accumulates 1.06" (27mm) of precipitation.

How much does it snow in Olathe in January?

In January, in Olathe, it is snowing for 5.3 days. Throughout January, 2.36" (60mm) of snow is accumulated.

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

The average length of the day in January in Olathe is 9.8h.

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?

The average sunshine in January is 5.3h.

What is the month with 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.

How high is the UV index in January in Olathe?

The average daily maximum UV index in January in Olathe is 2. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
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: 30.17"

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

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: 73%

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

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: 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: 2.36"

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

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).
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: 9.8h

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 January: 5.3h

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).

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: 2

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).

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: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).