January weather forecast
Alta Vista, IA

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Weather in January

January, the same as December, in Alta Vista, Iowa, is a freezing cold winter month, with an average temperature ranging between min 10.6°F (-11.9°C) and max 22.5°F (-5.3°C).

Temperature

In Alta Vista, the month of January registers the lowest temperatures, averaging 22.5°F (-5.3°C) at the peak and 10.6°F (-11.9°C) at the lowest.

Humidity

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

Rainfall

January is the month with the least rainfall in Alta Vista, Iowa. Rain falls for 2.8 days and accumulates 0.31" (8mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Alta Vista, Iowa. In Alta Vista, in January, snow falls for 9.1 days, with typically accumulated 1.5" (38mm) of snow. In Alta Vista, Iowa, during the entire year, snow falls for 36.8 days and aggregates up to 6.22" (158mm) of snow.

Daylight

The average length of the day in January is 9h and 25min.
On the first day of January, sunrise is at 7:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:19 pm CST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 1 in January translates into these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What time of the year is the coldest in Alta Vista?

January is the coldest month in Alta Vista, Iowa, with an average high-temperature of 22.5°F (-5.3°C) and an average low-temperature of 10.6°F (-11.9°C).

How cold is it in Alta Vista in January?

The high-temperature in Alta Vista during January is 22.5°F (-5.3°C) and the low-temperature is 10.6°F (-11.9°C).

What is the most humid month in Alta Vista?

With an average relative humidity of 89%, January is the most humid month in Alta Vista.

What is the average humidity in January in Alta Vista?

The average relative humidity in January in Alta Vista is 89%.

What is the driest month in Alta Vista?

January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.31" (8mm) of precipitation.

How many days does it rain in January in Alta Vista?

In Alta Vista, during January, the rain falls for 2.8 days and regularly aggregates up to 0.31" (8mm) of precipitation.

How many days does it snow in January in Alta Vista?

In Alta Vista, in January, snow falls for 9.1 days, with typically accumulated 1.5" (38mm) of snow.

What is the average length of the day in January in Alta Vista?

The average day length in January in Alta Vista is 9h and 25min.

When is the sunrise / sunset in January in Alta Vista?

In January, on the first day of the month, sunrise is at 7:41 am and sunset at 4:44 pm. On the last day of the month, in Alta Vista, sunrise is at 7:26 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Alta Vista?

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

How many hours of sunshine does Alta Vista have in January?

The average sunshine duration in January in Alta Vista is 3.5h.

What are the months with the lowest UV index in Alta Vista?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Alta Vista.

How high is the UV index in January in Alta Vista?

In January, the average daily maximum UV index is 1. A UV Index value 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
28.4°F -2°C
22.5°F -5.3°C
26.1°F -3.3°C
Average low temperature
18.3°F -7.6°C
10.6°F -11.9°C
13.5°F -10.3°C
Average pressure
30.11" 765mmHg
30.14" 766mmHg
30.13" 765mmHg
Average wind speed
10.1mph 16.3km/h
10.6mph 17.1km/h
10.5mph 16.9km/h
Average max. wind speed
10.8mph 17.4km/h
11.2mph 18km/h
11.2mph 18km/h
Average wind speed gusts
15.9mph 25.6km/h
16.7mph 26.9km/h
16.7mph 26.9km/h
Average humidity
85%
89%
88%
Average rainfall
0.43" 11mm
0.31" 8mm
0.39" 10mm
Average rainfall days
3.5
2.8
2
Average snowfall
0.91" 23mm
1.5" 38mm
1.85" 47mm
Average snowfall days
9
9.1
7.5
Average daylight
9h 0min
9h 2min
10h 3min
Average sunshine
4h 1min
3h 3min
3h 5min
Average sunshine days
20.9
21.7
19.9
Average UV index
1
1
1
Average cloud cover
60%
63%
60%
Average visibility
6mi 9.7km
5mi 8km
6mi 9.7km

Average temperature in January
Alta Vista, IA

Average temperature in January - Alta Vista, IA
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 10.6°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 (10.6°F).

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Average pressure in January
Alta Vista, IA

Average pressure in January - Alta Vista, IA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in January
Alta Vista, IA

Average wind speed in January - Alta Vista, IA
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

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Average humidity in January
Alta Vista, IA

Average humidity in January - Alta Vista, 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 (73%).

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Average rainfall in January
Alta Vista, IA

Average rainfall in January - Alta Vista, IA
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in January
Alta Vista, IA

Average rainfall days in January - Alta Vista, IA
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (2 days).

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Average snowfall in January
Alta Vista, IA

Average snowfall in January - Alta Vista, IA
  • Average snowfall in January: 1.5"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Alta Vista, IA

Average snowfall days in January - Alta Vista, IA
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is January (9.1 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
Alta Vista, IA

Average daylight in January / Average sunshine in January - Alta Vista, 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
Alta Vista, IA

Average sunshine days in January - Alta Vista, IA
  • Average sunshine days in January: 21.7 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in January
Alta Vista, IA

Average UV index in January - Alta Vista, IA
  • Average UV index in January: 1

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in January
Alta Vista, IA

Average cloud cover in January - Alta Vista, 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
Alta Vista, IA

Average visibility in January - Alta Vista, IA
  • Average visibility in January: 5mi

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

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Alta Vista, Iowa, USA

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