January weather forecast
Miller, IA

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Weather in January

January, like December, is a freezing cold winter month in Miller, Iowa, with an average temperature varying between 22.1°F (-5.5°C) and 9.9°F (-12.3°C).

Temperature

January, on average, is the coldest month, registering a high temperature of 22.1°F (-5.5°C) and a low of 9.9°F (-12.3°C).

Humidity

The most humid month in Miller is January, with an average relative humidity of 89%.

Rainfall

January is the month with the least rainfall in Miller. Rain falls for 4.6 days and accumulates 0.98" (25mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Miller, during January, snow falls for 13.3 days and regularly aggregates up to 4.8" (122mm) of snow. In Miller, Iowa, during the entire year, snow falls for 55.1 days and aggregates up to 22.05" (560mm) of snow.

Daylight

The average length of the day in January in Miller is 9h and 25min.
On the first day of January in Miller, Iowa, sunrise is at 7:46 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:24 pm CST.

Sunshine

The month with the least sunshine in Miller, Iowa, is January, with an average of 3.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest time of year in Miller?

The month of January sees the average lowest temperatures in Miller, reaching 22.1°F (-5.5°C) at the peak and 9.9°F (-12.3°C) at the low.

How cold is January in Miller?

The average high-temperature, in January, in Miller, is 22.1°F (-5.5°C), while the average low-temperature is 9.9°F (-12.3°C).

What is the most humid month in Miller?

The most humid month in Miller, Iowa, is January, with an average relative humidity of 89%.

What is the average humidity in January in Miller?

In Miller, the average relative humidity in January is 89%.

What is the driest month in Miller?

The month with the least rainfall in Miller is January, when the rain falls for 4.6 days and typically collects 0.98" (25mm) of precipitation.

How much does it rain in Miller in January?

In January, in Miller, the rain falls for 4.6 days. Throughout January, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in January in Miller?

In January, in Miller, Iowa, it is snowing for 13.3 days. Throughout January, 4.8" (122mm) of snow is accumulated.

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

In January, the average day length in Miller, Iowa, is 9h and 25min.

When are sunrise and sunset in January in Miller?

On the first day of January in Miller, sunrise is at 7:46 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:24 pm CST.

What is the month with the least sunshine in Miller?

With an average of 3.5h of sunshine, January has the least sunshine of the year in Miller, Iowa.

How many hours of sunshine does Miller have in January?

The average sunshine duration in January in Miller is 3.5h.

When is the lowest UV index in Miller?

The months with the lowest UV index in Miller, Iowa, are January and December, with an average maximum UV index of 1.

How high is the UV index in January in Miller?

In Miller, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
27.7°F -2.4°C
22.1°F -5.5°C
26.2°F -3.2°C
Average low temperature
17.4°F -8.1°C
9.9°F -12.3°C
13.5°F -10.3°C
Average pressure
30.11" 765mmHg
30.15" 766mmHg
30.14" 766mmHg
Average wind speed
10.2mph 16.4km/h
10.8mph 17.4km/h
10.7mph 17.2km/h
Average max. wind speed
10.9mph 17.5km/h
11.5mph 18.5km/h
11.4mph 18.3km/h
Average wind speed gusts
16.5mph 26.6km/h
17.3mph 27.8km/h
16.9mph 27.2km/h
Average humidity
86%
89%
87%
Average rainfall
1.26" 32mm
0.98" 25mm
1.22" 31mm
Average rainfall days
5.7
4.6
3
Average snowfall
3.35" 85mm
4.8" 122mm
5.79" 147mm
Average snowfall days
12
13.3
11.3
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
4h 0min
3h 3min
4h 0min
Average sunshine days
15.6
14.9
13.9
Average UV index
1
1
2
Average cloud cover
59%
63%
59%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Miller, IA

Average temperature in January - Miller, IA
  • Average high temperature in January: 22.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.1°F).

  • Average low temperature in January: 9.9°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

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Average pressure in January
Miller, IA

Average pressure in January - Miller, IA
  • 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 (29.88"Hg).

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Average wind speed in January
Miller, IA

Average wind speed in January - Miller, IA
  • Average wind speed in January: 10.8mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in January
Miller, IA

Average humidity in January - Miller, IA
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in January
Miller, IA

Average rainfall in January - Miller, IA
  • Average rainfall in January: 0.98"

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in January
Miller, IA

Average rainfall days in January - Miller, IA
  • Average rainfall days in January: 4.6 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3 days).

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Average snowfall in January
Miller, IA

Average snowfall in January - Miller, IA
  • Average snowfall in January: 4.8"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Miller, IA

Average snowfall days in January - Miller, IA
  • Average snowfall days in January: 13.3 days

The month with the highest number of snowfall days is January (13.3 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
Miller, IA

Average daylight in January / Average sunshine in January - Miller, IA
  • Average daylight in January: 9h and 2min

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

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Miller, IA

Average sunshine days in January - Miller, IA
  • Average sunshine days in January: 14.9 days

The months with the most sunshine days are October and November (17.4 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in January
Miller, IA

Average UV index in January - Miller, IA
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in January
Miller, IA

Average cloud cover in January - Miller, IA
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Miller, IA

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

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

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Miller, Iowa, USA

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