January Weather in Jupiter Island, United States

Last updated: June 24, 2025

In January, the average temperature in Jupiter Island, United States is a pleasant 21°C (69°F), with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F). This month typically sees 44 mm (1.7 in) of precipitation spread over about 7 days, accompanied by a high average humidity of 83%. Weather conditions provide a wonderful backdrop for experiencing all that this region has to offer!

January Temperature in Jupiter Island

In January in Jupiter Island, the average temperature is 21°C (69°F). Maximums can reach 28°C (83°F), and minimums can be as low as 8°C (46°F). This climate makes Jupiter Island an ideal destination for travelers seeking mild weather and pleasant outdoor activities.

January Weather in Jupiter Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Jupiter Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jupiter Island, January typically has an average temperature of 21°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Jupiter Island generated using information from the Copernicus Climate Change Service.

January Precipitation in Jupiter Island

In Jupiter Island in January, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

January Precipitation Trends in Jupiter Island

The chart displays monthly precipitation patterns in Jupiter Island, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Jupiter Island, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Jupiter Island

In Jupiter Island in January, humidity is 83%. With an average temperature of 21°C (69°F), this humidity feels like a heavy blanket enveloping you, making travel feel sticky and challenging as you navigate the damp air.

January Average Humidity in Jupiter Island

This chart illustrates the average monthly humidity levels in Jupiter Island, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Jupiter Island is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Jupiter Island

In Jupiter Island in January, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Jupiter Island, you can refer to this Hourly UV Index in Jupiter Island.

Maximum UV Index Levels in Jupiter Island for January

The chart shows the monthly maximum UV Index (UVI) for Jupiter Island in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Jupiter Island typically reaches 6, which falls under the high exposure category.

Data source: Jupiter Island January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Jupiter Island Compares to Other Months

Weather in Jupiter Island varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Jupiter Island, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Jupiter Island, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	44 mm (1.7 inches)	83%	high
February Weather	22°C (72°F)	53 mm (2.1 inches)	80%	very high
March Weather	22°C (72°F)	37 mm (1.5 inches)	75%	very high
April Weather	24°C (76°F)	82 mm (3.2 inches)	68%	extreme
May Weather	25°C (78°F)	143 mm (5.6 inches)	65%	extreme
June Weather	27°C (81°F)	190 mm (7.5 inches)	73%	extreme
July Weather	28°C (83°F)	172 mm (6.8 inches)	77%	extreme
August Weather	28°C (83°F)	192 mm (7.6 inches)	80%	extreme
September Weather	28°C (82°F)	179 mm (7.1 inches)	83%	extreme
October Weather	27°C (80°F)	158 mm (6.2 inches)	83%	very high
November Weather	24°C (76°F)	97 mm (3.8 inches)	83%	high
December Weather	22°C (72°F)	56 mm (2.2 inches)	84%	moderate