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 temperatures fluctuating between a high of 64.9°F (18.3°C) and a low of 47.3°F (8.5°C), January stands out as the coldest month.Humidity
In January, the average relative humidity is 72%.Rainfall
In Williston, in January, it is raining for 5.3 days, with typically 0.47" (12mm) of accumulated precipitation. In Williston, during the entire year, the rain falls for 127 days and collects up to 10.04" (255mm) of precipitation.Snowfall
The only month with snowfall is January. January has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
In January, the average length of the day is 10h and 31min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:42 pm. On the last day of January, sunrise is at 7:19 am and sunset at 6:06 pm EST.
Sunshine
In Williston, the average sunshine in January is 6.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during January leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Williston?
What is the average January temperature in Williston?
What is the average humidity in January in Williston?
How many days does it rain in January?
What is the snowiest month?
When does it start to snow?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Williston, FL
- Average high temperature in January: 64.9°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in January: 47.3°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 (47.3°F).
Average pressure in January
Williston, FL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in January
Williston, FL
- Average wind speed in January: 6.8mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in January
Williston, FL
- Average humidity in January: 72%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Williston, FL
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is July (1.73").
The driest month (with the least rainfall) is March (0.28").
Average rainfall days in January
Williston, FL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (5.1 days).
Average snowfall days in January
Williston, 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
Williston, 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 4min
The months with the most sunshine are May and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Williston, FL
- Average sunshine days in January: 23.5 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in January
Williston, 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
Williston, FL
- Average cloud cover in January: 33
The months with the most cloud cover are February and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in January
Williston, 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).
Williston, Florida, USA
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