February weather forecast
Isle Royale National Park, MI

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Calm evening waters at the Rock Harbor in Isle Royale National Park, Michigan, USA
Calm evening waters at the Rock Harbor in Isle Royale National Park, Michigan, USA

Weather in February

The frigid weather prevails in February, following suit from January. However, a gradual increase in temperature begins to mark the transition towards the warmer months. The weather remains cloudy for substantial periods, indicating the sustained trend of rainfall from the preceding month. During this month, the sunlight extends slightly to around 10.3 hours per day. Despite February being a short month, it covers 8 days of precipitation with temperatures ranging from 1°F (-17.2°C) to 21°F (-6.1°C).

Temperature

Isle Royale National Park records an average high-temperature of a still freezing cold 21.2°F (-6°C) in February, maintaining a close correlation with January's 17.6°F (-8°C). During the nights in February, an average low-temperature of 1.4°F (-17°C) is observed in Isle Royale National Park.

Rainfall

February is the month with the least rainfall in Isle Royale National Park. Rain falls for 8 days and accumulates 1.5" (38mm) of precipitation.

Ocean temperature

January through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater.
Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.

Daylight

The average length of the day in February in Isle Royale National Park, Michigan, is 10h and 16min.
On the first day of February, sunrise is at 8:23 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:39 pm EST.

Sunshine

In February, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 1 during February morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Isle Royale National Park in February?

Isle Royale National Park in February has an average high-temperature of 21.2°F (-6°C) and an average low-temperature of 1.4°F (-17°C).

What is the driest month in Isle Royale National Park?

February is the month with the least rainfall in Isle Royale National Park. Rain falls for 8 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in February in Isle Royale National Park?

In February, the rain falls for 8 days. Throughout February, 1.5" (38mm) of precipitation is accumulated.

When is the ocean coldest in Isle Royale National Park?

January through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater.

What is the ocean temperature in February in Isle Royale National Park?

In February, the average ocean temperature is 35.6°F (2°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Isle Royale National Park have in February?

In Isle Royale National Park, Michigan, the average day length in February is 10h and 16min.

When is the sunrise / sunset in February in Isle Royale National Park?

On the first day of February, sunrise is at 8:23 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:39 pm EST.

How long on average sun shines in February in Isle Royale National Park?

In Isle Royale National Park, the average sunshine duration in February is 5h.

What are the months with the lowest UV index in Isle Royale National Park?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in February in Isle Royale National Park?

In February, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average high temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in February
Isle Royale National Park, MI

Average temperature in February - Isle Royale National Park, MI
  • Average high temperature in February: 21°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in February: 1°F

The month with the highest average low temperature is July (54°F).
The coldest month (with the lowest average low temperature) is January (0°F).

Average rainfall in February
Isle Royale National Park, MI

Average rainfall in February - Isle Royale National Park, MI
  • Average rainfall in February: 1.5"

The wettest month (with the highest rainfall) is September (3.4").
The driest month (with the least rainfall) is February (1.5").

Average rainfall days in February
Isle Royale National Park, MI

Average rainfall days in February - Isle Royale National Park, MI
  • Average rainfall days in February: 8 days

The months with the highest number of rainy days are June and September (13 days).
The months with the least rainy days are February and April (8 days).

Average sea temperature in February
Isle Royale National Park, MI

Average sea temperature in February - Isle Royale National Park, MI
  • Average sea temperature in February: 36°F

The best month for swimming (with the highest average sea temperature) is August (55°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).

Average daylight in February /
Average sunshine in February
Isle Royale National Park, MI

Average daylight in February / Average sunshine in February - Isle Royale National Park, MI
  • Average daylight in February: 10h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in February: 5h

The month with the most sunshine is July (Average sunshine: 10h).
The months with the least sunshine are November and December (Average sunshine: 3h).

Average UV index in February
Isle Royale National Park, MI

Average UV index in February - Isle Royale National Park, MI
  • Average UV index in February: 1

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).

Isle Royale National Park, Michigan, USA

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