Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
Is it cold during January?
What is the average humidity in January?
What is the driest month in Saint Martins?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Saint Martins have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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