March weather forecast
Duncan, OK

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Weather in March

Come March, the weather is hinting at the shift from winter to spring. With an average high nudging up to 64.9°F (18.3°C), people start to shed their heavy winter coats. The amount of sunshine also increases, contributing to longer days, a factor that excites outdoor enthusiasts. Rainfall becomes more frequent at 1.85" (47mm), and snowfall occurrences taper off to around 0.28" (7mm). The wind picks up a notch, averaging 11.5mph (18.5km/h), providing a refreshing breeze on those warmer days.

Temperature

March's arrival is marked by an increase in the average high-temperature, moving from a cool 54.3°F (12.4°C) in February to a refreshing 64.9°F (18.3°C). Throughout March, Duncan's nights cool down to an average of 46.4°F (8°C).

Humidity

The average relative humidity in March is 64%.

Rainfall

In Duncan, during March, the rain falls for 10.3 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Duncan, there are 113.4 rainfall days, and 24.61" (625mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Duncan, in March, snow falls for 0.5 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 5.1 snowfall days, and 3.03" (77mm) of snow is accumulated.

Daylight

The average length of the day in March in Duncan is 12h and 0min.
On the first day of March in Duncan, sunrise is at 6:59 am and sunset at 6:28 pm CST. On the last day of the month, sunrise is at 7:19 am and sunset at 7:52 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In March, the average sunshine is 7.5h.

UV index

In March, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in March translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the usual temperature for Duncan in March?

The average high-temperature, in March, in Duncan, is 64.9°F (18.3°C), while the average low-temperature is 46.4°F (8°C).

What is the average humidity in March in Duncan?

In March, the average relative humidity in Duncan, Oklahoma, is 64%.

How many days does it rain in March in Duncan?

In Duncan, in March, it is raining for 10.3 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in March in Duncan?

In March, it is snowing for 0.5 days. Throughout March, 0.28" (7mm) of snow is accumulated.

How many hours of daylight does Duncan have in March?

The average day length in March in Duncan is 12h and 0min.

When is the sunrise / sunset in March in Duncan?

On the first day of March, sunrise is at 6:59 am and sunset at 6:28 pm CST. On the last day of the month, sunrise is at 7:19 am and sunset at 7:52 pm CDT.

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

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

How long on average sun shines in March in Duncan?

In Duncan, Oklahoma, the average sunshine duration in March is 7.5h.

What is the UV index reading in March in Duncan?

In March, the average daily maximum UV index in Duncan is 5. A UV Index of 3 to 5 symbolizes a medium 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
Duncan, OK

Average temperature in March - Duncan, OK
  • Average high temperature in March: 64.9°F

The warmest month (with the highest average high temperature) is August (95°F).
The months with the lowest average high temperature are January and December (51.3°F).

  • Average low temperature in March: 46.4°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure in March
Duncan, OK

Average pressure in March - Duncan, OK
  • Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in March
Duncan, OK

Average wind speed in March - Duncan, OK
  • Average wind speed in March: 11.5mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (8.3mph).

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Average humidity in March
Duncan, OK

Average humidity in March - Duncan, OK
  • Average humidity in March: 64%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in March
Duncan, OK

Average rainfall in March - Duncan, OK
  • Average rainfall in March: 1.85"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in March
Duncan, OK

Average rainfall days in March - Duncan, OK
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (5 days).

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Average snowfall in March
Duncan, OK

Average snowfall in March - Duncan, OK
  • Average snowfall in March: 0.28"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Duncan, OK

Average snowfall days in March - Duncan, OK
  • Average snowfall days in March: 0.5 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Duncan, OK

Average daylight in March / Average sunshine in March - Duncan, OK
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in March: 7h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in March
Duncan, OK

Average sunshine days in March - Duncan, OK
  • Average sunshine days in March: 18.5 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (15.7 days).

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Average UV index in March
Duncan, OK

Average UV index in March - Duncan, OK
  • Average UV index in March: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in March
Duncan, OK

Average cloud cover in March - Duncan, OK
  • Average cloud cover in March: 36

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in March
Duncan, OK

Average visibility in March - Duncan, OK
  • Average visibility in March: 6mi

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

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Duncan, Oklahoma, USA

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