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
The month of January, characterized by an average high of 66.4°F (19.1°C) and a low of 48.7°F (9.3°C), is recognized as the coldest.Humidity
In Myrtle Island, the average relative humidity in January is 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.5 days and typically collects 0.71" (18mm) of precipitation.Daylight
In Myrtle Island, the average length of the day in January is 10h and 30min.On the first day of the month, sunrise is at 7:20 am and sunset at 5:37 pm. On the last day of January, sunrise is at 7:15 am and sunset at 6:02 pm EST.
Sunshine
The average sunshine in January is 5.9h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In January, an average UV index of 4 transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the temperature in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in Myrtle Island in January?
How many hours of daylight does Myrtle Island have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Myrtle Island have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Myrtle Island, FL
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (66.4°F).
- Average low temperature in January: 48.7°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in January
Myrtle Island, 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
Myrtle Island, FL
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).
Average humidity in January
Myrtle Island, FL
- Average humidity in January: 73%
The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Myrtle Island, FL
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in January
Myrtle Island, FL
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is November (8 days).
Average daylight in January /
Average sunshine in January
Myrtle Island, 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: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Myrtle Island, FL
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (8.6 days).
Average UV index in January
Myrtle Island, FL
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in January
Myrtle Island, FL
- Average cloud cover in January: 39
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 32).
Average visibility in January
Myrtle Island, FL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Myrtle Island, Florida, USA
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