March weather forecast
Granby, CO

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Weather in March

The arrival of March in Granby, Colorado indicates a transition from the intense winter months to an extended Spring season. Temperatures somewhat rise, proffering a more accommodating weather condition compared to the preceding months, with the maximum average temperature scaling to 33.6°F (0.9°C). Daylight hours incrementally stretch, inviting more sunshine into the day, thus reducing the cloudiness. Though the snowfall reduces compared to February, occasional snow showers don't spare the town. The wind pace exhibits a decrease, thereby mildly shaking off the winter remnants.

Temperature

March's onset is marked by a subtle temperature increase, moving from a freezing cold 25.7°F (-3.5°C) in February to a cold 33.6°F (0.9°C). Nighttime temperatures consistently average an extreme cold 13.5°F (-10.3°C) during March.

Humidity

In March, the average relative humidity is 83%.

Rainfall

In Granby, in March, during 8.1 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Granby, Colorado, there are 96.3 rainfall days, and 11.54" (293mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In Granby, Colorado, in March, during 15.7 snowfall days, 7.56" (192mm) of snow is typically accumulated. In Granby, during the entire year, snow falls for 110.7 days and aggregates up to 59.88" (1521mm) of snow.

Daylight

In Granby, the average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 6:35 am and sunset at 5:56 pm MST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:27 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

In Granby, Colorado, the average sunshine in March is 8.5h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In March, the maximum UV index of 2 suggests these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is March in Granby?

An average high-temperature, in March, in Granby, is 33.6°F (0.9°C) and the average low-temperature is 13.5°F (-10.3°C).

What is the average humidity in March in Granby?

In Granby, Colorado, the average relative humidity in March is 83%.

How much does it rain in Granby in March?

In Granby, Colorado, during March, the rain falls for 8.1 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How many days does it snow in March in Granby?

In Granby, in March, during 15.7 snowfall days, 7.56" (192mm) of snow is typically accumulated.

How many hours of daylight does Granby have in March?

In March, the average day length is 11h and 59min.

When are sunrise and sunset in March in Granby?

On the first day of March in Granby, sunrise is at 6:35 am and sunset at 5:56 pm MST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:27 pm MDT.

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

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

How many hours of sunshine does Granby have in March?

In Granby, Colorado, the average sunshine duration in March is 8.5h.

When is the lowest UV index in Granby?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Granby.

How high is the UV index in March in Granby?

In March, the average daily maximum UV index in Granby, Colorado, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Granby, CO

Average temperature in March - Granby, CO
  • Average high temperature in March: 33.6°F

The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).

  • Average low temperature in March: 13.5°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in March
Granby, CO

Average pressure in March - Granby, CO
  • Average pressure in March: 30.02"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).

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Average wind speed in March
Granby, CO

Average wind speed in March - Granby, CO
  • Average wind speed in March: 6.5mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in March
Granby, CO

Average humidity in March - Granby, CO
  • Average humidity in March: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).

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Average rainfall in March
Granby, CO

Average rainfall in March - Granby, CO
  • Average rainfall in March: 0.98"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").

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Average rainfall days in March
Granby, CO

Average rainfall days in March - Granby, CO
  • Average rainfall days in March: 8.1 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).

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Average snowfall in March
Granby, CO

Average snowfall in March - Granby, CO
  • Average snowfall in March: 7.56"

The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").

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Average snowfall days in March
Granby, CO

Average snowfall days in March - Granby, CO
  • Average snowfall days in March: 15.7 days

The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).

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Average daylight in March /
Average sunshine in March
Granby, CO

Average daylight in March / Average sunshine in March - Granby, CO
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in March: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in March
Granby, CO

Average sunshine days in March - Granby, CO
  • Average sunshine days in March: 12.6 days

The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).

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Average UV index in March
Granby, CO

Average UV index in March - Granby, CO
  • Average UV index in March: 2

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in March
Granby, CO

Average cloud cover in March - Granby, CO
  • Average cloud cover in March: 35

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in March
Granby, CO

Average visibility in March - Granby, CO
  • Average visibility in March: 5mi

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

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Granby, Colorado, USA

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