January weather forecast
Dexter, MO

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Weather in January

January in Dexter, Missouri, offers cold winter conditions marked by freezing temperatures and marginal snowfall. Noteworthy is the relative humidity peaking at a high 74%. Transitioning from December, the weather conditions persist with a chilling average high temperature of 42.4°F (5.8°C). Outdoor activities might require weatherproof gear due to the presence of rain for about 5.3 days throughout the month. Therefore, January embodies the typical characteristics of winter in Missouri.

Temperature

January, known for its average high temperature of 42.4°F (5.8°C) and an average low temperature of 29.5°F (-1.4°C), is the coldest month.

Humidity

In Dexter, the average relative humidity in January is 74%.

Rainfall

In Dexter, in January, during 5.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Dexter, there are 107.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dexter are January through March, November and December. In Dexter, during January, snow falls for 1.3 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 5.7 snowfall days, and 0.59" (15mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 59min.
On the first day of January, sunrise is at 7:12 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:23 pm CST.

Sunshine

In Dexter, Missouri, the average sunshine in January is 5.1h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the coldest month in Dexter?

With its average high temperature of 42.4°F (5.8°C) and a low of 29.5°F (-1.4°C), January is regarded as the coldest month in Dexter.

Is January cold in Dexter?

Dexter in January has an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 29.5°F (-1.4°C).

What is the average humidity in January in Dexter?

In Dexter, the average relative humidity in January is 74%.

How much does it rain in Dexter in January?

In January, in Dexter, the rain falls for 5.3 days. Throughout January, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in Dexter in January?

In Dexter, Missouri, during January, snow falls for 1.3 days and regularly aggregates up to 0.16" (4mm) of snow.

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

In Dexter, Missouri, the average day length in January is 9h and 59min.

When are sunrise and sunset in January in Dexter?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:23 pm CST.

How long on average sun shines in January in Dexter?

In January, the average sunshine duration is 5.1h.

What is the month with the lowest UV index in Dexter?

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

What is the UV index reading in January in Dexter?

In Dexter, Missouri, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Dexter, MO

Average temperature in January - Dexter, MO
  • Average high temperature in January: 42.4°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in January: 29.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in January
Dexter, MO

Average pressure in January - Dexter, MO
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Dexter, MO

Average wind speed in January - Dexter, MO
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in January
Dexter, MO

Average humidity in January - Dexter, MO
  • Average humidity in January: 74%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in January
Dexter, MO

Average rainfall in January - Dexter, MO
  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").

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Average rainfall days in January
Dexter, MO

Average rainfall days in January - Dexter, MO
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in January
Dexter, MO

Average snowfall in January - Dexter, MO
  • Average snowfall in January: 0.16"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Dexter, MO

Average snowfall days in January - Dexter, MO
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Dexter, MO

Average daylight in January / Average sunshine in January - Dexter, MO
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 5h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in January
Dexter, MO

Average sunshine days in January - Dexter, MO
  • Average sunshine days in January: 23.3 days

The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).

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Average UV index in January
Dexter, MO

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

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

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Average cloud cover in January
Dexter, MO

Average cloud cover in January - Dexter, MO
  • Average cloud cover in January: 45

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in January
Dexter, MO

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

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

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Dexter, Missouri, USA

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