March weather forecast
Sisters, OR

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Weather in March

March signals a turn in Oregon’s Sister's weather with the transition into spring. Subtle warming trends begin to elbow their way into the chilling residue of winter, raising the temperature to around 42.8°F (6°C). Weather patterns commence shifting their stance towards rainfall, nudging away the snow. Concurrently, the sun marks a progressively assertive presence. The tail-end of March sees increased daylight hours, promising the emergence of the much-anticipated spring aura.

Temperature

March in Sisters brings an average high-temperature of a frosty 42.8°F (6°C), nearly identical to the preceding month. Sisters, during the nights of March, experiences an average temperature drop to a freezing cold 29.3°F (-1.5°C).

Humidity

The average relative humidity in March in Sisters is 80%.

Rainfall

In Sisters, in March, it is raining for 16.9 days, with typically 2.68" (68mm) of accumulated precipitation. In Sisters, during the entire year, the rain falls for 142.1 days and collects up to 22.87" (581mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In March, it is snowing for 13.1 days. Throughout March, 10.67" (271mm) of snow is accumulated. Throughout the year, there are 70.7 snowfall days, and 60.04" (1525mm) of snow is accumulated.

Daylight

In Sisters, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 6:41 am and sunset at 5:55 pm PST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:32 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

The average sunshine in March is 7.1h.

UV index

The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

Is March cold in Sisters?

In Sisters, in March, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 29.3°F (-1.5°C).

What is the average humidity in March in Sisters?

In March, the average relative humidity in Sisters is 80%.

How many days does it rain in March in Sisters?

In Sisters, during March, the rain falls for 16.9 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How much does it snow in Sisters in March?

In Sisters, in March, snow falls for 13.1 days, with typically accumulated 10.67" (271mm) of snow.

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

In March, the average day length in Sisters is 11h and 58min.

When are sunrise and sunset in March in Sisters?

In March, on the first day of the month, sunrise is at 6:41 am and sunset at 5:55 pm PST. On the last day of the month, in Sisters, Oregon, sunrise is at 6:47 am and sunset at 7:32 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sisters, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Sisters?

In Sisters, Oregon, the average sunshine duration in March is 7.1h.

How high is the UV index in March in Sisters?

In Sisters, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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 March
Sisters, OR

Average temperature in March - Sisters, OR
  • Average high temperature in March: 42.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in March: 29.3°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

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Average pressure in March
Sisters, OR

Average pressure in March - Sisters, OR
  • Average pressure in March: 30.05"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

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Average wind speed in March
Sisters, OR

Average wind speed in March - Sisters, OR
  • Average wind speed in March: 6mph

The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).

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Average humidity in March
Sisters, OR

Average humidity in March - Sisters, OR
  • Average humidity in March: 80%

The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are July and August (53%).

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Average rainfall in March
Sisters, OR

Average rainfall in March - Sisters, OR
  • Average rainfall in March: 2.68"

The wettest month (with the highest rainfall) is January (3.31").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in March
Sisters, OR

Average rainfall days in March - Sisters, OR
  • Average rainfall days in March: 16.9 days

The month with the highest number of rainy days is March (16.9 days).
The month with the least rainy days is July (5 days).

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Average snowfall in March
Sisters, OR

Average snowfall in March - Sisters, OR
  • Average snowfall in March: 10.67"

The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Sisters, OR

Average snowfall days in March - Sisters, OR
  • Average snowfall days in March: 13.1 days

The month with the highest number of snowfall days is December (14.7 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
Sisters, OR

Average daylight in March / Average sunshine in March - Sisters, OR
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in March: 7h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in March
Sisters, OR

Average sunshine days in March - Sisters, OR
  • Average sunshine days in March: 8.1 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is March (8.1 days).

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Average UV index in March
Sisters, OR

Average UV index in March - Sisters, OR
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in March
Sisters, OR

Average cloud cover in March - Sisters, OR
  • Average cloud cover in March: 49

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in March
Sisters, OR

Average visibility in March - Sisters, OR
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Sisters, Oregon, USA

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