January weather forecast
Massey, IA

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Weather in January

January, the same as December, in Massey, Iowa, is another subzero cold winter month, with an average temperature varying between 12.4°F (-10.9°C) and 24.6°F (-4.1°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 24.6°F (-4.1°C) and a low of 12.4°F (-10.9°C).

Humidity

With an average relative humidity of 87%, January is the most humid month.

Rainfall

The month with the least rainfall is January, when the rain falls for 4.6 days and typically collects 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall in Massey are January through April, October through December. The month with the most snowfall is January, when snow falls for 13.3 days and typically aggregates up to 5.08" (129mm) of snow.

Daylight

In January, the average length of the day is 9h and 30min.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:17 am and sunset at 5:14 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.7h 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 1 in January converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Massey's coldest weather arrives in January, when temperatures average a high of 24.6°F (-4.1°C) and a low of 12.4°F (-10.9°C).

How cold is it in January?

In January, in Massey, the average high-temperature is 24.6°F (-4.1°C), and the average low-temperature is 12.4°F (-10.9°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 87%.

What is the average humidity in January?

In Massey, the average relative humidity in January is 87%.

What is the driest month in Massey?

January is the month with the least rainfall. Rain falls for 4.6 days and accumulates 1.18" (30mm) of precipitation.

How many days does it rain in January?

In Massey, in January, it is raining for 4.6 days, with typically 1.18" (30mm) of accumulated precipitation.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 5.08" (129mm) of snow.

How much does it snow in January?

In Massey, during January, snow falls for 13.3 days and regularly aggregates up to 5.08" (129mm) of snow.

What is the average length of the day in January?

The average day length in January is 9h and 30min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:31 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

With an average of 3.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Massey have in January?

In Massey, the average sunshine duration in January is 3.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Massey, IA

Average temperature in January - Massey, IA
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in January
Massey, IA

Average pressure in January - Massey, IA
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in January
Massey, IA

Average wind speed in January - Massey, IA
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in January
Massey, IA

Average humidity in January - Massey, IA
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Massey, IA

Average rainfall in January - Massey, IA
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in January
Massey, IA

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

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in January
Massey, IA

Average snowfall in January - Massey, IA
  • Average snowfall in January: 5.08"

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Massey, IA

Average snowfall days in January - Massey, 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 May, June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Massey, IA

Average daylight in January / Average sunshine in January - Massey, 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 6min).

  • Average sunshine in January: 3h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Massey, IA

Average sunshine days in January - Massey, IA
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in January
Massey, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Massey, IA

Average cloud cover in January - Massey, IA
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Massey, IA

Average visibility in January - Massey, 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).

Massey, Iowa, USA

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