January weather forecast
Lenexa, KS

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Weather in January

As the year starts, Lenexa, Kansas welcomes low temperatures, often feeling more wintry than other regions. Rain or snow are common, with up to 1.73" (44mm) of snowfall recorded. Increased cloud cover contributes to the chilly ambiance, and reduced daylight hours signify the dominance of evening over day. Despite lower temperatures, humidity remains relatively high. This cold weather gradually subsides, paving the way for a slightly warmer February.

Temperature

January, with its average high-temperature of 37.4°F (3°C) and an average low-temperature of 23°F (-5°C), holds the record as the coldest month.

Humidity

The average relative humidity in January in Lenexa is 73%.

Rainfall

The month with the least rainfall is January, when the rain falls for 4.8 days and typically collects 0.87" (22mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 4.3 days. Throughout January, 1.73" (44mm) of snow is accumulated. Throughout the year, there are 16.4 snowfall days, and 7.48" (190mm) of snow is accumulated.

Daylight

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

Sunshine

January has the least sunshine of the year, with an average of 5.2h of sunshine.

UV index

The months with the lowest UV index in Lenexa are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the coldest time of year in Lenexa?

The month of January sees the average lowest temperatures in Lenexa, Kansas, reaching 37.4°F (3°C) at the peak and 23°F (-5°C) at the low.

How cold is January in Lenexa?

An average high-temperature, in January, in Lenexa, is 37.4°F (3°C) and the average low-temperature is 23°F (-5°C).

What is the average humidity in January in Lenexa?

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

What is the driest month in Lenexa?

January is the month with the least rainfall in Lenexa, Kansas. Rain falls for 4.8 days and accumulates 0.87" (22mm) of precipitation.

How much does it rain in Lenexa in January?

In January, in Lenexa, the rain falls for 4.8 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How much does it snow in Lenexa in January?

In Lenexa, in January, during 4.3 snowfall days, 1.73" (44mm) of snow is typically accumulated.

How many hours of daylight does Lenexa have in January?

In January, the average day length in Lenexa, Kansas, is 9h and 49min.

What time are sunrise and sunset in January in Lenexa?

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, in Lenexa, sunrise is at 7:26 am and sunset at 5:38 pm CST.

What is the month with the least sunshine in Lenexa?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

How many hours of sunshine does Lenexa have in January?

In Lenexa, Kansas, the average sunshine duration in January is 5.2h.

When is the lowest UV index in Lenexa?

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

What is the UV index intensity in January in Lenexa?

In January, the average daily maximum UV index in Lenexa is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41°F 5°C
37.4°F 3°C
41.5°F 5.3°C
Average low temperature
27.7°F -2.4°C
23°F -5°C
27°F -2.8°C
Average pressure
30.13" 765mmHg
30.17" 766mmHg
30.13" 765mmHg
Average wind speed
9.3mph 15km/h
9.7mph 15.6km/h
9.9mph 15.9km/h
Average max. wind speed
9.8mph 15.8km/h
10.3mph 16.6km/h
10.5mph 16.9km/h
Average wind speed gusts
14.6mph 23.5km/h
15.3mph 24.6km/h
15.2mph 24.5km/h
Average humidity
73%
73%
72%
Average rainfall
1.22" 31mm
0.87" 22mm
0.98" 25mm
Average rainfall days
5.7
4.8
5.3
Average snowfall
0.79" 20mm
1.73" 44mm
2.76" 70mm
Average snowfall days
2.9
4.3
5
Average daylight
9h 3min
9h 5min
10h 5min
Average sunshine
5h 2min
5h 1min
5h 3min
Average sunshine days
22.4
21.9
17.3
Average UV index
2
2
2
Average cloud cover
41%
43%
44%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Lenexa, KS

Average temperature in January - Lenexa, KS
  • Average high temperature in January: 37.4°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (37.4°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).

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Average pressure in January
Lenexa, KS

Average pressure in January - Lenexa, 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).

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Average wind speed in January
Lenexa, KS

Average wind speed in January - Lenexa, KS
  • Average wind speed in January: 9.7mph

The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in January
Lenexa, KS

Average humidity in January - Lenexa, KS
  • Average humidity in January: 73%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in January
Lenexa, KS

Average rainfall in January - Lenexa, KS
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in January
Lenexa, KS

Average rainfall days in January - Lenexa, KS
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in January
Lenexa, KS

Average snowfall in January - Lenexa, KS
  • Average snowfall in January: 1.73"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Lenexa, KS

Average snowfall days in January - Lenexa, KS
  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Lenexa, KS

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in January
Lenexa, KS

Average sunshine days in January - Lenexa, KS
  • Average sunshine days in January: 21.9 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (12.5 days).

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Average UV index in January
Lenexa, KS

Average UV index in January - Lenexa, 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).

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Average cloud cover in January
Lenexa, KS

Average cloud cover in January - Lenexa, KS
  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Lenexa, KS

Average visibility in January - Lenexa, 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).

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Lenexa, Kansas, USA

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