Midway Atoll
Midway Island, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Midway Atoll, Midway Island, USA

January, like December, is another pleasant winter month in Midway Atoll, Midway Island, with average temperature varying between 70°F (21.1°C) and 62.1°F (16.7°C).

Temperature

January and February, with an average high-temperature of 70°F (21.1°C), are the coldest months.

Rainfall

January is the month with the most rainfall in Midway Atoll, Midway Island. Rain falls for 16 days and accumulates 5" (127mm) of precipitation.

Ocean temperature

Months with the coldest seawater in Midway Atoll are January through March, with an average ocean temperature of 68°F (20°C).
Note: Swimming in 68°F (20°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In Midway Atoll, the average length of the day in January is 10.6h.

Sunshine

January and February, with an average of 14h of sunshine, are months with the least sunshine in Midway Atoll.

UV index

Months with the lowest UV index in Midway Atoll are January and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Midway Atoll?

The coldest months in Midway Atoll are January and February, with an average high-temperature of 70°F (21.1°C).

What is the temperature in January in Midway Atoll?

The average high-temperature, in January, in Midway Atoll, is 70°F (21.1°C), while the average low-temperature is 62.1°F (16.7°C).

How many days does it rain in January in Midway Atoll?

In January, in Midway Atoll, the rain falls for 16 days. Throughout January, 5" (127mm) of precipitation is accumulated.

What is the rainiest month in Midway Atoll?

January is the month with the most rainfall. Rain falls for 16 days and accumulates 5" (127mm) of precipitation.

What months are the ocean coldest in Midway Atoll?

January through March, with an average ocean temperature of 68°F (20°C), are months with the coldest seawater in Midway Atoll, Midway Island.

How cold is the water in January in Midway Atoll?

In Midway Atoll, Midway Island, in January, the average water temperature is 68°F (20°C). Swimming in 68°F (20°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Midway Atoll have in January?

In January, the average length of the day in Midway Atoll, Midway Island, is 10.6h.

What is the month with the least sunshine in Midway Atoll?

January and February, with an average of 14h of sunshine, are months with the least sunshine in Midway Atoll.

How many hours of sunshine does Midway Atoll have in January?

The average sunshine in January in Midway Atoll is 14h.

What are the months with the lowest UV index in Midway Atoll?

Months with the lowest UV index are January and December, with an average maximum UV index of 5.

How high is the UV index in January in Midway Atoll?

In Midway Atoll, the average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in January - Midway Atoll, Midway Island, USA
  • Average high temperature in January: 21.1°C

Warmest months (with the highest average high temperature) are August and September (28.9°C).
Months with the lowest average high temperature are January and February (21.1°C).

  • Average low temperature in January: 16.7°C

Months with the highest average low temperature are July, August and September (23.9°C).
Coldest months (with the lowest average low temperature) are January and February (16.7°C).

Average rainfall in January - Midway Atoll, Midway Island, USA
  • Average rainfall in January: 127mm

The wettest month (with the highest rainfall) is January (127mm).
The driest month (with the lowest rainfall) is June (55.9mm).

Average rainfall days in January - Midway Atoll, Midway Island, USA
  • Average rainfall days in January: 16 days

Months with the highest number of rainy days are January and December (16 days).
Months with the lowest number of rainy days are May and June (9 days).

Average sea temperature in January - Midway Atoll, Midway Island, USA
  • Average sea temperature in January: 20°C

Best months for swimming (with the highest average sea temperature) are August and September (27°C).
Coldest months (with the lowest average sea temperature) are January, February and March (20°C).

Average daylight in January / Average sunshine in January - Midway Atoll, Midway Island, USA
  • Average daylight in January: 10.6h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in January: 14h

Months with most sunshine are July, September and October (Average sunshine: 18h).
Months with least sunshine are January and February (Average sunshine: 14).

Average UV index in January - Midway Atoll, Midway Island, USA
  • Average UV index in January: 5

Months with the highest UV index are June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).