January weather forecast
La Harpe, IL

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share

Contents

Weather in January

January, the same as December, in La Harpe, Illinois, is a freezing cold winter month, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 30.9°F (-0.6°C).

Temperature

January, having an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 18.7°F (-7.4°C), is the coldest month.

Humidity

In January, the average relative humidity is 80%.

Rainfall

January is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.83" (21mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 8.5 days and accumulates 3.15" (80mm) of snow.

Daylight

In La Harpe, the average length of the day in January is 9h and 40min.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:47 pm. On the last day of January, in La Harpe, Illinois, sunrise is at 7:14 am and sunset at 5:19 pm CST.

Sunshine

With an average of 4.1h of sunshine, January has the least sunshine of the year in La Harpe, Illinois.

UV index

The months with the lowest UV index in La Harpe are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in January transforms into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
[Resources]

Frequently asked questions

What part of the year is the coldest in La Harpe?

La Harpe, Illinois, experiences its average lowest temperatures in January, reaching a peak of 30.9°F (-0.6°C) and a minimum of 18.7°F (-7.4°C).

How cold is January in La Harpe?

In La Harpe, in January, the average high-temperature is 30.9°F (-0.6°C), and the average low-temperature is 18.7°F (-7.4°C).

What is the average humidity in January in La Harpe?

In January, the average relative humidity in La Harpe is 80%.

What is the driest month in La Harpe?

January is the month with the least rainfall in La Harpe, Illinois. Rain falls for 4.3 days and accumulates 0.83" (21mm) of precipitation.

How many days does it rain in January in La Harpe?

In La Harpe, during January, the rain falls for 4.3 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When does it snow the most in La Harpe?

January is the month with the most snowfall in La Harpe. Snow falls for 8.5 days and accumulates 3.15" (80mm) of snow.

How much does it snow in La Harpe in January?

In La Harpe, during January, snow falls for 8.5 days and regularly aggregates up to 3.15" (80mm) of snow.

What is the average length of the day in January in La Harpe?

In January, the average day length in La Harpe is 9h and 40min.

When are sunrise and sunset in January in La Harpe?

In January, on the first day of the month, sunrise is at 7:27 am and sunset at 4:47 pm. On the last day of the month, in La Harpe, Illinois, sunrise is at 7:14 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in La Harpe?

With an average of 4.1h of sunshine, January has the least sunshine of the year in La Harpe.

How long on average sun shines in January in La Harpe?

In January, the average sunshine duration in La Harpe, Illinois, is 4.1h.

What is the month with the lowest UV index in La Harpe?

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

What is the UV index intensity in January in La Harpe?

The average daily maximum UV index in January in La Harpe is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
37°F 2.8°C
30.9°F -0.6°C
35.8°F 2.1°C
Average low temperature
25.5°F -3.6°C
18.7°F -7.4°C
22.3°F -5.4°C
Average pressure
30.11" 765mmHg
30.15" 766mmHg
30.12" 765mmHg
Average wind speed
10.1mph 16.3km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average max. wind speed
10.7mph 17.2km/h
11.3mph 18.2km/h
11.1mph 17.9km/h
Average wind speed gusts
16mph 25.7km/h
16.8mph 27km/h
16.5mph 26.6km/h
Average humidity
79%
80%
79%
Average rainfall
0.98" 25mm
0.83" 21mm
1.1" 28mm
Average rainfall days
5.6
4.3
4.6
Average snowfall
1.3" 33mm
3.15" 80mm
2.17" 55mm
Average snowfall days
5.4
8.5
6.2
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
4h 3min
4h 1min
4h 2min
Average sunshine days
20
19.7
17.6
Average UV index
2
2
2
Average cloud cover
51%
56%
54%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
La Harpe, IL

Average temperature in January - La Harpe, IL
  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

[Resources]

Average pressure in January
La Harpe, IL

Average pressure in January - La Harpe, IL
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

[Resources]

Average wind speed in January
La Harpe, IL

Average wind speed in January - La Harpe, IL
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

[Resources]

Average humidity in January
La Harpe, IL

Average humidity in January - La Harpe, IL
  • Average humidity in January: 80%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in January
La Harpe, IL

Average rainfall in January - La Harpe, IL
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").

[Resources]

Average rainfall days in January
La Harpe, IL

Average rainfall days in January - La Harpe, IL
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

[Resources]

Average snowfall in January
La Harpe, IL

Average snowfall in January - La Harpe, IL
  • Average snowfall in January: 3.15"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in January
La Harpe, IL

Average snowfall days in January - La Harpe, IL
  • Average snowfall days in January: 8.5 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
La Harpe, IL

Average daylight in January / Average sunshine in January - La Harpe, IL
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

[Resources]

Average sunshine days in January
La Harpe, IL

Average sunshine days in January - La Harpe, IL
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).

[Resources]

Average UV index in January
La Harpe, IL

Average UV index in January - La Harpe, IL
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in January
La Harpe, IL

Average cloud cover in January - La Harpe, IL
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

[Resources]

Average visibility in January
La Harpe, IL

Average visibility in January - La Harpe, IL
  • 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).

[Resources]

La Harpe, Illinois, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location