Climate and monthly weather forecast
Sweetwater, ND

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Weather in January

January, the same as December, in Sweetwater, North Dakota, is another subzero cold winter month, with an average temperature varying between 15.3°F (-9.3°C) and 1°F (-17.2°C). January, on average, is the coldest month, registering a high temperature of 15.3°F (-9.3°C) and a low of 1°F (-17.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Sweetwater, North Dakota, with an average temperature ranging between max 16.2°F (-8.8°C) and min 1.6°F (-16.9°C). Sweetwater's weather in February, with an average high-temperature of a still freezing cold 16.2°F (-8.8°C), subtly shifts from January's 15.3°F (-9.3°C). Weather in February »

Weather in March

March, the first month of the spring in Sweetwater, is a wintry month, with an average temperature ranging between min 18.3°F (-7.6°C) and max 32.5°F (0.3°C). As March sets, the average high-temperature displays a significant increase, moving up from a freezing cold 16.2°F (-8.8°C) in February to an icy 32.5°F (0.3°C). Weather in March »

Weather in April

April in Sweetwater, North Dakota, is a frosty spring month, with an average temperature fluctuating between 48.4°F (9.1°C) and 32.9°F (0.5°C). Sweetwater's April weather is characterized by a distinct upsurge in high-temperatures, soaring from March's wintry 32.5°F (0.3°C) to a frosty 48.4°F (9.1°C). Weather in April »

Weather in May

May, the last month of the spring in Sweetwater, is a refreshing month, with an average temperature fluctuating between 63.1°F (17.3°C) and 46.4°F (8°C). In May, the meteorological conditions markedly change with the average high-temperature ascending from a frosty 48.4°F (9.1°C) in April to a refreshing 63.1°F (17.3°C). Weather in May »

Weather in June

June, the first month of the summer in Sweetwater, is a pleasant month, with an average temperature varying between 72.9°F (22.7°C) and 54.7°F (12.6°C). The beginning of June marks a shift in the average high-temperature, moving from May's comfortable 63.1°F (17.3°C) to an agreeable 72.9°F (22.7°C). Weather in June »

Weather in July

July is a moderately hot summer month in Sweetwater, North Dakota, with an average temperature varying between 58.8°F (14.9°C) and 79.3°F (26.3°C). As June transitions into July, a subtle temperature shift is observed, with average highs adjusting from an agreeable 72.9°F (22.7°C) to a warm 79.3°F (26.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sweetwater, North Dakota, with an average temperature ranging between min 57.7°F (14.3°C) and max 79.5°F (26.4°C). August, with its average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 57.7°F (14.3°C), holds the record as the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Sweetwater, is also an agreeable month, with an average temperature varying between 50.2°F (10.1°C) and 69.1°F (20.6°C). The onset of September results in a decrease in the average high-temperature, receding from a moderately hot 79.5°F (26.4°C) in August to a pleasant 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, in Sweetwater, North Dakota, is a cool autumn month, with temperature in the range of an average high of 51.3°F (10.7°C) and an average low of 37.6°F (3.1°C). Sweetwater's weather undergoes a significant change with the arrival of October, as the average high-temperature drops from an agreeable 69.1°F (20.6°C) in September to a cool 51.3°F (10.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Sweetwater, North Dakota, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 34.2°F (1.2°C). As October gives way to November, the average high-temperature displays a considerable decrease, falling from a cool 51.3°F (10.7°C) to an icy 34.2°F (1.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Sweetwater, North Dakota, with temperature in the range of an average high of 18.1°F (-7.7°C) and an average low of 7.2°F (-13.8°C). In Sweetwater, the onset of December is marked by a decreased average high-temperature, declining from November's wintry 34.2°F (1.2°C) to a freezing cold 18.1°F (-7.7°C). Weather in December »
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Sweetwater, January is the coldest month, with temperatures averaging a high of 15.3°F (-9.3°C) and a low of 1°F (-17.2°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 92%.

What is the driest month in Sweetwater?

The months with the least rainfall are January and February Rain falls for 2.8 days and accumulates 0.43" (11mm) of rain.

How much does it rain?

In Sweetwater, during the entire year, the rain falls for 95.3 days and collects up to 14.41" (366mm) of precipitation.

When does it snow in Sweetwater?

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

How many days does it snow?

Throughout the year, there are 74.3 snowfall days, and 18.9" (480mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year in Sweetwater, with an average of 3.2h of sunshine.

When is the lowest UV index?

The months with the lowest UV index 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.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 16h and 0min of daylight.

What is the wettest month in Sweetwater?

July is the month with the most rainfall. Rain falls for 12.4 days and accumulates 2.44" (62mm) of precipitation.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11.1h of sunshine.

When is the highest UV index in Sweetwater?

July is the month with the highest UV index, with an average maximum UV index of 6.

What part of the year is the hottest in Sweetwater?

August, on average, is the warmest month, registering a high temperature of 79.5°F (26.4°C) and a low of 57.7°F (14.3°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 58%.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 15.5 days and typically aggregates up to 3.9" (99mm) of snow.

What is the month with the shortest days?

With an average of 8h and 24min of daylight, December has the shortest days of the year.

Average temperature
Sweetwater, ND

Average temperature - Sweetwater, ND

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1°F).

Average pressure
Sweetwater, ND

Average pressure - Sweetwater, 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
Sweetwater, ND

Average wind speed - Sweetwater, ND

The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity
Sweetwater, ND

Average humidity - Sweetwater, ND

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).

Average rainfall
Sweetwater, ND

Average rainfall - Sweetwater, ND

The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").

Average rainfall days
Sweetwater, ND

Average rainfall days - Sweetwater, ND

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).

Average snowfall
Sweetwater, ND

Average snowfall - Sweetwater, ND

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Sweetwater, ND

Average snowfall days - Sweetwater, ND

The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Sweetwater, ND

Average daylight / Average sunshine - Sweetwater, ND

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days
Sweetwater, ND

Average sunshine days - Sweetwater, ND

The months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).

Average UV index
Sweetwater, ND

Average UV index - Sweetwater, ND

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

Average visibility
Sweetwater, ND

Average visibility - Sweetwater, ND

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).

Sweetwater, North Dakota, USA

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