January weather forecast
Potosi, MO

Weather in January

January, the same as December, is a wintry winter month in Potosi, Missouri, with average temperature fluctuating between 25.2°F (-3.8°C) and 39.6°F (4.2°C).

Temperature

The coldest month is January, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 25.2°F (-3.8°C).

Humidity

In Potosi, Missouri, the average relative humidity in January is 75%.

Rainfall

In Potosi, during January, the rain falls for 7.2 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Potosi, during the entire year, the rain falls for 142.5 days and collects up to 28.58" (726mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Potosi, Missouri, in January, snow falls for 5.3 days, with typically accumulated 2.17" (55mm) of snow. Throughout the year, in Potosi, there are 17.5 snowfall days, and 8.74" (222mm) of snow is accumulated.

Daylight

In Potosi, Missouri, the average length of the day in January is 9.9h.

Sunshine

January has the least sunshine of the year in Potosi, with an average of 4.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Potosi. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Potosi?

With an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 25.2°F (-3.8°C), January is the coldest month.

What is the average humidity in January in Potosi?

In Potosi, Missouri, the average relative humidity in January is 75%.

How much does it rain in Potosi in January?

In Potosi, in January, it is raining for 7.2 days, with typically 1.89" (48mm) of accumulated precipitation.

How many days does it snow in January in Potosi?

In Potosi, Missouri, in January, during 5.3 snowfall days, 2.17" (55mm) of snow is typically accumulated.

How many hours of daylight does Potosi have in January?

The average length of the day in January in Potosi, Missouri, is 9.9h.

What is the month with the least sunshine in Potosi?

The month with the least sunshine in Potosi, Missouri, is January, with an average of 4.7h of sunshine.

How long on average sun shines in January in Potosi?

In January, the average sunshine in Potosi is 4.7h.

When is the lowest UV index in Potosi?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Potosi?

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 the exposure to the Sun's UV radiation.

Average temperature in January
Potosi, MO

Average temperature in January - Potosi, MO
  • Average high temperature in January: 39.6°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in January: 25.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in January
Potosi, MO

Average pressure in January - Potosi, MO
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in January
Potosi, MO

Average wind speed in January - Potosi, MO
  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Potosi, MO

Average humidity in January - Potosi, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Potosi, MO

Average rainfall in January - Potosi, MO
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are February, September and November (1.73").

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Average rainfall days in January
Potosi, MO

Average rainfall days in January - Potosi, MO
  • Average rainfall days in January: 7.2 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in January
Potosi, MO

Average snowfall in January - Potosi, MO
  • Average snowfall in January: 2.17"

The month with the highest snowfall is February (2.8").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Potosi, MO

Average snowfall days in January - Potosi, MO
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is January (5.3 days).
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
Potosi, MO

Average daylight in January / Average sunshine in January - Potosi, MO
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 4.7h

The month with the most sunshine is June (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in January
Potosi, MO

Average sunshine days in January - Potosi, MO
  • Average sunshine days in January: 19.9 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in January
Potosi, MO

Average UV index in January - Potosi, MO
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Potosi, MO

Average cloud cover in January - Potosi, MO
  • Average cloud cover in January: 49

Months with the most cloud cover are January, February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in January
Potosi, MO

Average visibility in January - Potosi, MO
  • Average visibility in January: 6mi

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

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