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 an average high-temperature of 63°F (17.2°C) and an average low-temperature of 46.8°F (8.2°C), January is the coldest month.Humidity
In January, the average relative humidity in Callahan is 72%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.3 days and typically collects 1.3" (33mm) of precipitation.Snowfall
January and February are months with snowfall. The months with the most snowfall days in Callahan are January and February, with an average of 0.1 snowfall days.Daylight
In January, the average length of the day is 10h and 26min.On the first day of the month, sunrise is at 7:24 am and sunset at 5:37 pm. On the last day of January, sunrise is at 7:19 am and sunset at 6:02 pm EST.
Sunshine
The average sunshine in January is 5.9h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, a regular UV index of 4 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of 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 is the coldest month?
What is the temperature in January?
What is the average humidity in January?
What is the driest month?
How much 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?
What are the months with the lowest UV index in Callahan?
What is the UV index intensity in January?
Average temperature in January
Callahan, FL
- Average high temperature in January: 63°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (63°F).
- Average low temperature in January: 46.8°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (46.8°F).
Average pressure in January
Callahan, FL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in January
Callahan, FL
- Average wind speed in January: 6.6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Callahan, FL
- Average humidity in January: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Callahan, FL
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in January
Callahan, FL
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is August (22.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall days in January
Callahan, FL
- Average snowfall days in January: 0.1 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Callahan, FL
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Callahan, FL
- Average sunshine days in January: 19.9 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in January
Callahan, 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
Callahan, FL
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in January
Callahan, 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).
Callahan, Florida, USA
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