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 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
With average high temperatures of 65.8°F (18.8°C) and lows of 48.2°F (9°C), January is the coldest month.Humidity
The average relative humidity in January is 73%.Rainfall
In San Mateo, during January, the rain falls for 7.6 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 138.3 rainfall days, and 12.76" (324mm) of precipitation is accumulated.Snowfall
The only month with snowfall is January. The month with the most snowfall days is January, when snow falls for 0.1 days.Daylight
The average length of the day in January is 10h and 30min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:38 pm. On the last day of January, sunrise is at 7:16 am and sunset at 6:02 pm EST.
Sunshine
In January, the average sunshine is 6.2h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during January leads to these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in San Mateo in January?
What is the snowiest month?
When does it start snowing?
How many hours of daylight does San Mateo have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
San Mateo, FL
- Average high temperature in January: 65.8°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (65.8°F).
- Average low temperature in January: 48.2°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).
Average pressure in January
San Mateo, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in January
San Mateo, FL
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in January
San Mateo, FL
- Average humidity in January: 73%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
San Mateo, FL
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is March (0.47").
Average rainfall days in January
San Mateo, FL
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.7 days).
Average snowfall days in January
San Mateo, FL
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
San Mateo, FL
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January: 6h and 1min
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 54min).
Average sunshine days in January
San Mateo, FL
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
San Mateo, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in January
San Mateo, FL
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and July (Cloud cover 30).
Average visibility in January
San Mateo, FL
- 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).
San Mateo, Florida, USA
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