March weather forecast
Winthrop, WA

A mirror view in the blue water of Blue Lake of the trees and rock cliffs nearby, in Winthrop, Washington
A mirror view in the blue water of Blue Lake of the trees and rock cliffs nearby, in Winthrop, Washington

Weather in March

The first month of the spring, March, is a wintry month in Winthrop, Washington, with an average temperature ranging between min 19°F (-7.2°C) and max 36.5°F (2.5°C).

Temperature

In March, the average high-temperature marginally rises from a subzero cold 30°F (-1.1°C) in February to a wintry 36.5°F (2.5°C). The average low-temperature, in Winthrop, is 19°F (-7.2°C).

Humidity

The average relative humidity in March is 88%.

Rainfall

In Winthrop, Washington, during March, the rain falls for 17.3 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 142.6 rainfall days, and 17.91" (455mm) of precipitation is accumulated.

Snowfall

January through April, September through December are months with snowfall. In March, it is snowing for 9.7 days. Throughout March, 6.3" (160mm) of snow is accumulated. In Winthrop, during the entire year, snow falls for 66.9 days and aggregates up to 43.98" (1117mm) of snow.

Daylight

In Winthrop, Washington, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 6:41 am and sunset at 5:44 pm PST. On the last day of March, sunrise is at 6:40 am and sunset at 7:29 pm PDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In Winthrop, the average sunshine in March is 6.4h.

UV index

In Winthrop, Washington, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in March transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in March in Winthrop?

In Winthrop, Washington, in March, the average high-temperature is 36.5°F (2.5°C), and the average low-temperature is 19°F (-7.2°C).

What is the average humidity in March in Winthrop?

In Winthrop, Washington, the average relative humidity in March is 88%.

How many days does it rain in March in Winthrop?

In Winthrop, in March, it is raining for 17.3 days, with typically 2.13" (54mm) of accumulated precipitation.

How much does it snow in Winthrop in March?

In Winthrop, during March, snow falls for 9.7 days and regularly aggregates up to 6.3" (160mm) of snow.

What is the average length of the day in March in Winthrop?

The average day length in March in Winthrop is 11h and 57min.

When is the sunrise / sunset in March in Winthrop?

On the first day of March in Winthrop, sunrise is at 6:41 am and sunset at 5:44 pm PST. On the last day of the month, sunrise is at 6:40 am and sunset at 7:29 pm PDT.

When does Daylight Saving Time (DST) start in March in Winthrop?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Winthrop, Washington, and the time zone changes from PST to PDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How many hours of sunshine does Winthrop have in March?

In Winthrop, Washington, the average sunshine duration in March is 6.4h.

What is the UV index reading in March in Winthrop?

The average daily maximum UV index in March in Winthrop, Washington, is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Winthrop, WA

Average temperature in March - Winthrop, WA
  • Average high temperature in March: 36.5°F

The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is December (27.5°F).

  • Average low temperature in March: 19°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (13.5°F).

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Average pressure in March
Winthrop, WA

Average pressure in March - Winthrop, WA
  • Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

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Average wind speed in March
Winthrop, WA

Average wind speed in March - Winthrop, WA
  • Average wind speed in March: 4.2mph

The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest months (with the lowest average wind speed) are January and December (3.6mph).

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Average humidity in March
Winthrop, WA

Average humidity in March - Winthrop, WA
  • Average humidity in March: 88%

The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).

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Average rainfall in March
Winthrop, WA

Average rainfall in March - Winthrop, WA
  • Average rainfall in March: 2.13"

The wettest month (with the highest rainfall) is December (2.48").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days in March
Winthrop, WA

Average rainfall days in March - Winthrop, WA
  • Average rainfall days in March: 17.3 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in March
Winthrop, WA

Average snowfall in March - Winthrop, WA
  • Average snowfall in March: 6.3"

The month with the highest snowfall is December (12.87").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in March
Winthrop, WA

Average snowfall days in March - Winthrop, WA
  • Average snowfall days in March: 9.7 days

The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in March /
Average sunshine in March
Winthrop, WA

Average daylight in March / Average sunshine in March - Winthrop, WA
  • Average daylight in March: 11h and 57min

The month with the longest days is June (Average daylight: 16h and 3min).
The month with the shortest days is December (Average daylight: 8h and 23min).

  • Average sunshine in March: 6h and 24min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in March
Winthrop, WA

Average sunshine days in March - Winthrop, WA
  • Average sunshine days in March: 8.3 days

The month with the most sunshine days is August (23 days).
The month with the least sunshine days is March (8.3 days).

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Average UV index in March
Winthrop, WA

Average UV index in March - Winthrop, WA
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

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Average cloud cover in March
Winthrop, WA

Average cloud cover in March - Winthrop, WA
  • Average cloud cover in March: 51

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in March
Winthrop, WA

Average visibility in March - Winthrop, WA
  • Average visibility in March: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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