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, with average temperatures reaching a high of 40.3°F (4.6°C) and a low of 25°F (-3.9°C), is the coldest month.Humidity
In January, the average relative humidity is 74%.Rainfall
January is the month with the least rainfall. Rain falls for 7.6 days and accumulates 1.61" (41mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 6.8 days. Throughout January, 2.68" (68mm) of snow is accumulated. Throughout the year, there are 23.8 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In Saint Robert, the average length of the day in January is 9h and 54min.On the first day of January, sunrise is at 7:24 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:30 pm CST.
Sunshine
January and February, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In January, the UV index of 2 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
Is January cold?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Saint Robert have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine in Saint Robert?
How many hours of sunshine does Saint Robert have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Saint Robert, MO
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 25°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in January
Saint Robert, 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).
Average wind speed in January
Saint Robert, MO
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Saint Robert, MO
- Average humidity in January: 74%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).
Average rainfall in January
Saint Robert, MO
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in January
Saint Robert, MO
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in January
Saint Robert, MO
- Average snowfall in January: 2.68"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Saint Robert, MO
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Saint Robert, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in January
Saint Robert, MO
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Saint Robert, 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, February and December (UV index 2).
Average cloud cover in January
Saint Robert, MO
- Average cloud cover in January: 47
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Saint Robert, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Saint Robert, Missouri, USA
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