January weather forecast
German Valley, IL

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Weather in January

January, like December, is another subzero cold winter month in German Valley, Illinois, with an average temperature varying between 13.5°F (-10.3°C) and 26.1°F (-3.3°C).

Temperature

January is the coldest month, exhibiting average temperatures of 26.1°F (-3.3°C) at the peak and 13.5°F (-10.3°C) at the base.

Humidity

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

Rainfall

In German Valley, in January, during 5.1 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 145.6 rainfall days, and 23.43" (595mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 12.4 days and accumulates 3.54" (90mm) of snow.

Daylight

In January, the average length of the day is 9h and 31min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:10 pm CST.

Sunshine

January has the least sunshine of the year, with an average of 3.6h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

What time of the year is the coldest?

German Valley's temperature records reveal January as the coldest month, marked by average highs of 26.1°F (-3.3°C) and lows of 13.5°F (-10.3°C).

How cold is it in January?

The average high-temperature, in January, in German Valley, is 26.1°F (-3.3°C), while the average low-temperature is 13.5°F (-10.3°C).

What is the most humid month?

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

What is the average humidity in January?

The average relative humidity in January is 87%.

How much does it rain in January?

In German Valley, in January, during 5.1 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 12.4 days and accumulates 3.54" (90mm) of snow.

How much does it snow in January?

In German Valley, in January, during 12.4 snowfall days, 3.54" (90mm) of snow is typically accumulated.

What is the average length of the day in January in German Valley?

In January, the average day length in German Valley is 9h and 31min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:26 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:10 pm CST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

How many hours of sunshine does German Valley have in January?

The average sunshine duration in January is 3.6h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk 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
German Valley, IL

Average temperature in January - German Valley, IL
  • Average high temperature in January: 26.1°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 (26.1°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in January
German Valley, IL

Average pressure in January - German Valley, IL
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
German Valley, IL

Average wind speed in January - German Valley, IL
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in January
German Valley, IL

Average humidity in January - German Valley, IL
  • Average humidity in January: 87%

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

Average rainfall in January
German Valley, IL

Average rainfall in January - German Valley, IL
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is June (3.39").
The driest months (with the least rainfall) are February and December (1.06").

Average rainfall days in January
German Valley, IL

Average rainfall days in January - German Valley, IL
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5 days).

Average snowfall in January
German Valley, IL

Average snowfall in January - German Valley, IL
  • Average snowfall in January: 3.54"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
German Valley, IL

Average snowfall days in January - German Valley, IL
  • Average snowfall days in January: 12.4 days

The month with the highest number of snowfall days is January (12.4 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
German Valley, IL

Average daylight in January / Average sunshine in January - German Valley, IL
  • 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: 3h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in January
German Valley, IL

Average sunshine days in January - German Valley, IL
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in January
German Valley, IL

Average UV index in January - German Valley, IL
  • 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
German Valley, IL

Average cloud cover in January - German Valley, IL
  • Average cloud cover in January: 62

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in January
German Valley, IL

Average visibility in January - German Valley, IL
  • Average visibility in January: 5mi

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

German Valley, Illinois, USA

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