Climate and monthly weather forecast
Sibley, ND

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Weather in January

January, the same as December, in Sibley, North Dakota, is a freezing cold winter month, with an average temperature varying between 3.4°F (-15.9°C) and 17.1°F (-8.3°C). Sibley, North Dakota, notes the coldest temperatures in January, with a high average of 17.1°F (-8.3°C) and a low of 3.4°F (-15.9°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Sibley, North Dakota, with an average temperature ranging between max 19.2°F (-7.1°C) and min 5.9°F (-14.5°C). Sibley's average high-temperature in February is a still freezing cold 19.2°F (-7.1°C), indicating a subtle variation from January. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Sibley, North Dakota, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 21°F (-6.1°C). The shift into March is marked by a noticeable escalation in the average high-temperature, rising from February's freezing cold 19.2°F (-7.1°C) to an icy 34.9°F (1.6°C). Weather in March »

Weather in April

April is a fresh spring month in Sibley, North Dakota, with an average temperature ranging between max 50°F (10°C) and min 34.3°F (1.3°C). Sibley sees a considerable increase in average high-temperatures during April, surging from an icy 34.9°F (1.6°C) in March to a fresh 50°F (10°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Sibley, North Dakota, with an average temperature fluctuating between 64.6°F (18.1°C) and 46.9°F (8.3°C). May's onset is marked by a clear temperature increase, soaring from a cool 50°F (10°C) in April to a refreshing 64.6°F (18.1°C). Weather in May »

Weather in June

June, the first month of the summer in Sibley, is a warm month, with an average temperature fluctuating between 73.4°F (23°C) and 55.9°F (13.3°C). June's onset is marked by a subtle temperature increase, moving from a refreshing 64.6°F (18.1°C) in May to a warm 73.4°F (23°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Sibley, North Dakota, with an average temperature fluctuating between 60.6°F (15.9°C) and 80.6°F (27°C). July, recording an average high temperature of 80.6°F (27°C) and a low temperature of 60.6°F (15.9°C), is Sibley's warmest month. In July, the heat index is appraised at 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sibley, North Dakota, with an average temperature ranging between max 80.2°F (26.8°C) and min 59°F (15°C). Sibley registers an average high-temperature of a still moderately hot 80.2°F (26.8°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Sibley, is also an agreeable month, with an average temperature fluctuating between 51.4°F (10.8°C) and 70.7°F (21.5°C). September ushers in a slight temperature change, with average high-temperatures reducing from August's moderately hot 80.2°F (26.8°C) to a pleasant 70.7°F (21.5°C). Weather in September »

Weather in October

October, like September, in Sibley, North Dakota, is a cool autumn month, with an average temperature fluctuating between 53.1°F (11.7°C) and 39°F (3.9°C). The arrival of October brings a significant change in Sibley's weather, with average high-temperatures dropping from September's pleasant 70.7°F (21.5°C) to a fresh 53.1°F (11.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Sibley, is also a wintry month, with an average temperature fluctuating between 36.9°F (2.7°C) and 25.2°F (-3.8°C). November signals a significant shift in the average high-temperature, falling from October's cool 53.1°F (11.7°C) to a cold 36.9°F (2.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Sibley, North Dakota, with temperature in the range of an average low of 9.7°F (-12.4°C) and an average high of 20.3°F (-6.5°C). With the onset of December, Sibley's average high-temperature experiences a noticeable drop, receding from November's wintry 36.9°F (2.7°C) to a subzero cold 20.3°F (-6.5°C). Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January brings the lowest temperatures, with an average high of 17.1°F (-8.3°C) and an average low of 3.4°F (-15.9°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 91%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 1.5 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain?

Throughout the year, in Sibley, there are 94.8 rainfall days, and 14.92" (379mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

How many days does it snow?

In Sibley, during the entire year, snow falls for 64.2 days and aggregates up to 15.04" (382mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.3h of sunshine.

What are the months with the lowest UV index?

The months with the lowest UV index in Sibley are January, February, November and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST)?

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 ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

June is the month with the most rainfall in Sibley. Rain falls for 15.5 days and accumulates 3.39" (86mm) of precipitation.

When it does not snow?

In Sibley, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 15h and 54min of daylight.

What is the month with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What time of the year is the hottest?

July brings the highest temperatures, with an average high of 80.6°F (27°C) and an average low of 60.6°F (15.9°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.9h of sunshine.

What is the least humid month?

The least humid month is August, with an average relative humidity of 61%.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 13.9 days and typically aggregates up to 3.11" (79mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 36min of daylight.

Average temperature
Sibley, ND

Average temperature - Sibley, ND

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (17.1°F).

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.4°F).

Average pressure
Sibley, ND

Average pressure - Sibley, ND

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Sibley, ND

Average wind speed - Sibley, ND

The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity
Sibley, ND

Average humidity - Sibley, ND

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall
Sibley, ND

Average rainfall - Sibley, ND

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days
Sibley, ND

Average rainfall days - Sibley, ND

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (1.5 days).

Average snowfall
Sibley, ND

Average snowfall - Sibley, ND

The month with the highest snowfall is December (3.11").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Sibley, ND

Average snowfall days - Sibley, ND

The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Sibley, ND

Average daylight / Average sunshine - Sibley, ND

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days
Sibley, ND

Average sunshine days - Sibley, ND

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (12.3 days).

Average UV index
Sibley, ND

Average UV index - Sibley, ND

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

Average visibility
Sibley, ND

Average visibility - Sibley, ND

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

Sibley, North Dakota, USA

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