January weather forecast
Luther, IA

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Weather in January

January, like December, is a freezing cold winter month in Luther, Iowa, with temperature in the range of an average low of 13.8°F (-10.1°C) and an average high of 26.8°F (-2.9°C).

Temperature

Luther's coldest temperatures are experienced in January, with average high temperatures of 26.8°F (-2.9°C) and lows of 13.8°F (-10.1°C).

Humidity

The most humid month in Luther is January, with an average relative humidity of 84%.

Rainfall

The months with the least rainfall are January and February Rain falls for 4.3 days and accumulates 0.87" (22mm) of rain.

Snowfall

Months with snowfall in Luther are January through May, October through December. The month with the most snowfall in Luther is January, when snow falls for 10.7 days and typically aggregates up to 4.13" (105mm) of snow.

Daylight

In January, the average length of the day in Luther is 9h and 32min.
On the first day of January in Luther, sunrise is at 7:43 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:28 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 2 in January translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What month is the coldest in Luther?

January, characterized by an average high temperature of 26.8°F (-2.9°C) and a low temperature of 13.8°F (-10.1°C), is generally the coldest month in Luther, Iowa.

How cold is January in Luther?

During January, Luther experiences an average high-temperature of 26.8°F (-2.9°C) and a low-temperature of 13.8°F (-10.1°C).

What is the most humid month in Luther?

January is the most humid month in Luther, with an average relative humidity of 84%.

What is the average humidity in January in Luther?

In January, the average relative humidity in Luther, Iowa, is 84%.

What is the driest month in Luther?

The months with the least rainfall are January and February Rain falls for 4.3 days and accumulates 0.87" (22mm) of rain.

How much does it rain in Luther in January?

In January, in Luther, Iowa, the rain falls for 4.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

What is the snowiest month in Luther?

The month with the most snowfall in Luther, Iowa, is January, when snow falls for 10.7 days and typically aggregates up to 4.13" (105mm) of snow.

How many days does it snow in January in Luther?

In Luther, Iowa, in January, snow falls for 10.7 days, with typically accumulated 4.13" (105mm) of snow.

How many hours of daylight does Luther have in January?

The average day length in January in Luther, Iowa, is 9h and 32min.

When are sunrise and sunset in January in Luther?

On the first day of January in Luther, sunrise is at 7:43 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:28 pm CST.

What is the month with the least sunshine in Luther?

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

How long on average sun shines in January in Luther?

In Luther, the average sunshine duration in January is 4.1h.

What is the month with the lowest UV index in Luther?

The months with the lowest UV index in Luther are January, February, October through December, with an average maximum UV index of 2.

What is the UV index reading in January in Luther?

In Luther, Iowa, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
32.5°F 0.3°C
26.8°F -2.9°C
30.9°F -0.6°C
Average low temperature
21.4°F -5.9°C
13.8°F -10.1°C
17.6°F -8°C
Average pressure
30.12" 765mmHg
30.16" 766mmHg
30.14" 766mmHg
Average wind speed
10.1mph 16.3km/h
10.4mph 16.7km/h
10.4mph 16.7km/h
Average max. wind speed
10.7mph 17.2km/h
11.1mph 17.9km/h
11.1mph 17.9km/h
Average wind speed gusts
15.7mph 25.3km/h
16.6mph 26.7km/h
16.3mph 26.2km/h
Average humidity
80%
84%
82%
Average rainfall
1.18" 30mm
0.87" 22mm
0.87" 22mm
Average rainfall days
5.2
4.3
3.6
Average snowfall
1.93" 49mm
4.13" 105mm
3.27" 83mm
Average snowfall days
7.4
10.7
8.4
Average daylight
9h 1min
9h 3min
10h 4min
Average sunshine
4h 4min
4h 1min
4h 5min
Average sunshine days
19
18.3
16.3
Average UV index
2
2
2
Average cloud cover
51%
55%
52%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Luther, IA

Average temperature in January - Luther, IA
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in January: 13.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in January
Luther, IA

Average pressure in January - Luther, IA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in January
Luther, IA

Average wind speed in January - Luther, IA
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity in January
Luther, IA

Average humidity in January - Luther, IA
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Luther, IA

Average rainfall in January - Luther, IA
  • Average rainfall in January: 0.87"

The wettest month (with the highest rainfall) is May (4.13").
The driest months (with the least rainfall) are January and February (0.87").

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Average rainfall days in January
Luther, IA

Average rainfall days in January - Luther, IA
  • Average rainfall days in January: 4.3 days

The months with the highest number of rainy days are May and June (17.5 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in January
Luther, IA

Average snowfall in January - Luther, IA
  • Average snowfall in January: 4.13"

The month with the highest snowfall is January (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Luther, IA

Average snowfall days in January - Luther, IA
  • Average snowfall days in January: 10.7 days

The month with the highest number of snowfall days is January (10.7 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
Luther, IA

Average daylight in January / Average sunshine in January - Luther, IA
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in January
Luther, IA

Average sunshine days in January - Luther, IA
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in January
Luther, IA

Average UV index in January - Luther, IA
  • Average UV index in January: 2

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

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Average cloud cover in January
Luther, IA

Average cloud cover in January - Luther, IA
  • Average cloud cover in January: 55

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in January
Luther, IA

Average visibility in January - Luther, IA
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

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Luther, Iowa, USA

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