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 tends to be the coldest month, with temperatures averaging a daily high of 50.2°F (10.1°C) and a low of 34.5°F (1.4°C).Humidity
In San Mateo, the average relative humidity in January is 73%.Rainfall
In January, the rain falls for 9.8 days. Throughout January, 1.34" (34mm) of precipitation is accumulated. In San Mateo, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) of precipitation.Snowfall
January through March and December are months with snowfall. In San Mateo, South Carolina, in January, during 0.9 snowfall days, 0.24" (6mm) of snow is typically accumulated. In San Mateo, during the entire year, snow falls for 2.3 days and aggregates up to 0.79" (20mm) of snow.Daylight
In San Mateo, the average length of the day in January is 10h and 10min.On the first day of January in San Mateo, South Carolina, sunrise is at 7:37 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:58 pm EST.
Sunshine
In San Mateo, the average sunshine in January is 5.4h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What month is the coldest in San Mateo?
What is the usual temperature for San Mateo in January?
What is the average humidity in January in San Mateo?
How much does it rain in San Mateo in January?
How many days does it snow in January in San Mateo?
How many hours of daylight does San Mateo have in January?
What time are sunrise and sunset in January in San Mateo?
How many hours of sunshine does San Mateo have in January?
What are the months with the lowest UV index in San Mateo?
What is the UV index intensity in January in San Mateo?
Average temperature in January
San Mateo, SC
- Average high temperature in January: 50.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in January: 34.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in January
San Mateo, SC
- Average pressure in January: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
San Mateo, SC
- Average wind speed in January: 6.9mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
San Mateo, SC
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
San Mateo, SC
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in January
San Mateo, SC
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in January
San Mateo, SC
- Average snowfall in January: 0.24"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
San Mateo, SC
- Average snowfall days in January: 0.9 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
San Mateo, SC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
San Mateo, SC
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in January
San Mateo, SC
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
San Mateo, SC
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in January
San Mateo, SC
- 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).
San Mateo, South Carolina, USA
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