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 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
Temperature records mark January as the coldest month, with highs averaging 68.2°F (20.1°C) and lows at 51.1°F (10.6°C).Humidity
The average relative humidity in January is 72%.Rainfall
January and March are months with the least rain in Casselberry, Florida, when the rain falls for 8.9 days and typically aggregates up to 0.79" (20mm) of rain.Daylight
In Casselberry, the average length of the day in January is 10h and 34min.On the first day of the month, sunrise is at 7:18 am and sunset at 5:39 pm. On the last day of January, sunrise is at 7:13 am and sunset at 6:03 pm EST.
Sunshine
The average sunshine in January is 6.3h.UV index
With an average maximum UV index of 4, January is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in January suggests the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the coldest month in Casselberry?
What is the usual temperature for Casselberry in January?
What is the average humidity in January in Casselberry?
What is the driest month in Casselberry?
How much does it rain in Casselberry in January?
What is the average length of the day in January in Casselberry?
What time are sunrise and sunset in January in Casselberry?
How many hours of sunshine does Casselberry have in January?
When is the lowest UV index in Casselberry?
What is the UV index reading in January in Casselberry?
Average temperature in January
Casselberry, FL
- Average high temperature in January: 68.2°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in January: 51.1°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in January
Casselberry, 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
Casselberry, FL
- Average wind speed in January: 6.4mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Casselberry, FL
- Average humidity in January: 72%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in January
Casselberry, FL
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").
Average rainfall days in January
Casselberry, FL
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).
Average daylight in January /
Average sunshine in January
Casselberry, FL
- Average daylight in January: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January: 6h 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: 6h and 6min).
Average sunshine days in January
Casselberry, FL
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).
Average UV index in January
Casselberry, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Casselberry, FL
- Average cloud cover in January: 36
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in January
Casselberry, 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).
Casselberry, Florida, USA
Weather forecast for your location
2. Allow the app to use your location
