January weather forecast
Montesano, WA

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Weather in January

January, like December, is a frosty winter month in Montesano, Washington, with an average temperature ranging between max 45.5°F (7.5°C) and min 35.2°F (1.8°C).

Temperature

Montesano records an average high-temperature of a still frosty 45.5°F (7.5°C) in January, closely mirroring the climate of the previous month. The average nighttime temperature in Montesano lowers to an icy 35.2°F (1.8°C) throughout January.

Humidity

In January, the average relative humidity is 89%.

Rainfall

The wettest months are January and December, with an average 5.04" (128mm) of rainfall.

Snowfall

January through March, November and December are months with snowfall. In Montesano, in January, snow falls for 1.2 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, there are 5.1 snowfall days, and 2.32" (59mm) of snow is accumulated.

Daylight

In January, the average length of the day in Montesano is 9h and 2min.
On the first day of the month, sunrise is at 8:00 am and sunset at 4:35 pm. On the last day of January, in Montesano, sunrise is at 7:40 am and sunset at 5:15 pm PST.

Sunshine

January and December, with an average of 3.3h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Montesano are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are the temperatures in Montesano in January?

The high-temperature, in January, in Montesano, records 45.5°F (7.5°C), while the low-temperature is 35.2°F (1.8°C).

What is the average humidity in January in Montesano?

The average relative humidity in January in Montesano is 89%.

What is the wettest month in Montesano?

The months with the most rainfall are January and December, with an average 5.04" (128mm) of precipitation.

How much does it rain in Montesano in January?

In January, the rain falls for 17.4 days. Throughout January, 5.04" (128mm) of precipitation is accumulated.

How much does it snow in Montesano in January?

In Montesano, in January, during 1.2 snowfall days, 0.67" (17mm) of snow is typically accumulated.

How many hours of daylight does Montesano have in January?

The average day length in January in Montesano is 9h and 2min.

When is the sunrise / sunset in January in Montesano?

On the first day of January in Montesano, sunrise is at 8:00 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:15 pm PST.

What is the month with the least sunshine in Montesano?

The months with the least sunshine in Montesano, Washington, are January and December, with an average of 3.3h of sunshine.

How many hours of sunshine does Montesano have in January?

The average sunshine duration in January in Montesano, Washington, is 3.3h.

When is the lowest UV index in Montesano?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Montesano.

What is the UV index intensity in January in Montesano?

In Montesano, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Montesano, WA

Average temperature in January - Montesano, WA
  • Average high temperature in January: 45.5°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (43.9°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).

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Average pressure in January
Montesano, WA

Average pressure in January - Montesano, WA
  • Average pressure in January: 30.07"Hg

The months with the highest atmospheric pressure are January and July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in January
Montesano, WA

Average wind speed in January - Montesano, WA
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average humidity in January
Montesano, WA

Average humidity in January - Montesano, WA
  • Average humidity in January: 89%

The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in January
Montesano, WA

Average rainfall in January - Montesano, WA
  • Average rainfall in January: 5.04"

The wettest months (with the highest rainfall) are January and December (5.04").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in January
Montesano, WA

Average rainfall days in January - Montesano, WA
  • Average rainfall days in January: 17.4 days

The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (5.9 days).

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Average snowfall in January
Montesano, WA

Average snowfall in January - Montesano, WA
  • Average snowfall in January: 0.67"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Montesano, WA

Average snowfall days in January - Montesano, WA
  • Average snowfall days in January: 1.2 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Montesano, WA

Average daylight in January / Average sunshine in January - Montesano, WA
  • Average daylight in January: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).

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Average sunshine days in January
Montesano, WA

Average sunshine days in January - Montesano, WA
  • Average sunshine days in January: 11.5 days

The months with the most sunshine days are July and August (22.1 days).
The month with the least sunshine days is March (10 days).

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Average UV index in January
Montesano, WA

Average UV index in January - Montesano, WA
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Montesano, WA

Average cloud cover in January - Montesano, WA
  • Average cloud cover in January: 67

The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).

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Average visibility in January
Montesano, WA

Average visibility in January - Montesano, WA
  • Average visibility in January: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

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Montesano, Washington, USA

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