January weather forecast
Saint Martins, MO

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Weather in January

January, like December, in Saint Martins, Missouri, is another cold winter month, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 38.3°F (3.5°C).

Temperature

January, recording an average high temperature of 38.3°F (3.5°C) and a low temperature of 24.3°F (-4.3°C), is Saint Martins's coldest month.

Humidity

In January, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 5.9 days and typically collects 1.14" (29mm) of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Saint Martins, in January, during 5.7 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Saint Martins, during the entire year, snow falls for 18.2 days and aggregates up to 6.97" (177mm) of snow.

Daylight

In January, the average length of the day is 9h and 50min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of January, in Saint Martins, sunrise is at 7:15 am and sunset at 5:29 pm CST.

Sunshine

The average sunshine in January is 4.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Saint Martins's coldest weather arrives in January, when temperatures average a high of 38.3°F (3.5°C) and a low of 24.3°F (-4.3°C).

Is it cold during January?

In Saint Martins, 38.3°F (3.5°C) is the average high-temperature and 24.3°F (-4.3°C) is the average low-temperature during January.

What is the average humidity in January?

In Saint Martins, the average relative humidity in January is 75%.

What is the driest month in Saint Martins?

The month with the least rainfall is January, when the rain falls for 5.9 days and typically collects 1.14" (29mm) of precipitation.

How much does it rain in January?

In Saint Martins, in January, it is raining for 5.9 days, with typically 1.14" (29mm) of accumulated precipitation.

How much does it snow in January?

In Saint Martins, in January, during 5.7 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 50min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:29 pm CST.

How many hours of sunshine does Saint Martins have in January?

In Saint Martins, the average sunshine duration in January is 4.9h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Saint Martins, MO

Average temperature in January - Saint Martins, MO
  • Average high temperature in January: 38.3°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 (38.3°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Saint Martins, MO

Average pressure in January - Saint Martins, 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 (29.92"Hg).

Average wind speed in January
Saint Martins, MO

Average wind speed in January - Saint Martins, MO
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in January
Saint Martins, MO

Average humidity in January - Saint Martins, MO
  • Average humidity in January: 75%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Saint Martins, MO

Average rainfall in January - Saint Martins, MO
  • Average rainfall in January: 1.14"

The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in January
Saint Martins, MO

Average rainfall days in January - Saint Martins, MO
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in January
Saint Martins, MO

Average snowfall in January - Saint Martins, MO
  • Average snowfall in January: 2.09"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in January
Saint Martins, MO

Average snowfall days in January - Saint Martins, MO
  • Average snowfall days in January: 5.7 days

The month with the highest number of snowfall days is February (6.1 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
Saint Martins, MO

Average daylight in January / Average sunshine in January - Saint Martins, MO
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Saint Martins, MO

Average sunshine days in January - Saint Martins, MO
  • Average sunshine days in January: 20.3 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is July (13.7 days).

Average UV index in January
Saint Martins, MO

Average UV index in January - Saint Martins, MO
  • Average UV index in January: 2

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

Average cloud cover in January
Saint Martins, MO

Average cloud cover in January - Saint Martins, MO
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).

Average visibility in January
Saint Martins, MO

Average visibility in January - Saint Martins, 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).

Saint Martins, Missouri, USA

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