Climate and monthly weather forecast
Turtle Lake, ND

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The climate of Turtle Lake

Geographically positioned in the state of North Dakota, Turtle Lake experiences a Humid continental climate, designated as Dfb under the Köppen climate classification. This climate type denotes no dry season and warm summers. A key feature of the weather conditions in this locale is a significant temperature differential across different months.

While January is renowned as the coldest month with the mercury plunging as low as 5.4°F (-14.8°C), July brings a shift in the climatic pendulum with the highest temperature rising to 82.2°F (27.9°C). The corresponding humidity levels range from a high of 90% in January to a low of 55% in August. Monthly sunshine hours show a predictable pattern with the least during winter months - from 3.7 hours in January and ascending to a zenith of 11.3 hours in July.

Unique patterns worthy of notice are the snowfall conditions from November to April, with the highest measurement in January at 3.78" (96mm). The number of snowfall days follows a similar trend, hitting the peak in January with 15.3 days. The months from May to October are devoid of any snowfall. Rainfall is another crucial parameter where the highest precipitation of 2.6" (66mm) is recorded in June. The lowest, at 0.51" (13mm), occurs in February.

Wind speeds maintain a moderate vein with a slight fluctuation between 8.8mph (14.2km/h) in August and 11.1mph (17.9km/h) in April. The maximum wind gusts, reaching up to 17mph (27.4km/h), occur in December and January, emphasizing the chilly temperament of winters in Turtle Lake.

The best time to visit Turtle Lake

Given the climatic conditions, the period between late spring and early fall is the optimal time to visit Turtle Lake. May to September is particularly appealing with temperature highs ranging from 64.2°F (17.9°C) to 81.3°F (27.4°C). The sunshine hours peak during these months, fluctuating between 9.6 and 11.3 hours. Despite the highest rainfall of the year being in June, the number of sunshine days ensures the weather remains inviting. Visitors can bask in the outdoors with the comfort of moderate humidity levels, ranging from 61% in May to 60% in July.

The worst time to visit Turtle Lake

It would be judicious to avoid planning a trip to Turtle Lake between November to March. This period is recognized for its biting cold with temperature lows dipping between 24.8°F (-4°C) and 5.4°F (-14.8°C). The cold is accentuated by consistent snowfall from November to April, with the highest number of snowfall days in January. Moreover, the limited sunshine hours, spanning from 3.7 to 5.2 hours, cast a dull atmosphere invoking the winter blues.

Spring weather in Turtle Lake

Spring in Turtle Lake is a period of gradual warming. Temperature highs start at 37°F (2.8°C) in March, rise to 50.5°F (10.3°C) in April, and reach up to 64.2°F (17.9°C) by May. Correspondingly, the temperature lows also show an upward trend from 21.6°F (-5.8°C) to 46.4°F (8°C). The slow transition from snow to rainfall becomes evident as the precipitation increases from 0.87" (22mm) to 1.77" (45mm). The length of daylight increases significantly - with the daylight hours rising from 11.9 to 15.1.

Summer weather in Turtle Lake

Summer in Turtle Lake is characterized by warm and comfortable weather. With the temperature highs fluctuating between 74.7°F (23.7°C) and 82.2°F (27.9°C), and lows between 55.2°F (12.9°C) and 60.3°F (15.7°C), the summer months are pleasant and favorable for outdoor activities. Rainfall is highest in June at 2.6" (66mm) but reduces to 1.65" (42mm) by July. As sunshine hours peak in these months and humidity remains moderate, it enhances the appeal of the summer season in Turtle Lake.

Autumn weather in Turtle Lake

Autumn brings a nip in the air as temperatures gradually taper off. From September onwards, temperature highs decrease from 71.1°F (21.7°C) to 37.6°F (3.1°C) in November. The lows follow suit, dipping from 51.3°F (10.7°C) to 24.8°F (-4°C). Rainfall, though lesser than in summer, averages between 1.77 and 0.63" (16mm). The daylight hours reduce from 12.5 to 9.3, marking the approaching winter season.

Winter weather in Turtle Lake

Winter in Turtle Lake is typically cold and snowy. The temperature highs range from 22.3°F (-5.4°C) to 37°F (2.8°C), with the lows plunging even further from 10.6°F (-11.9°C) to 21.6°F (-5.8°C). Snowfall is a regular phenomenon with the highest accumulation of 3.78" (96mm) in January. Corresponding to the temperature, the daylight hours decrease to 8.5 hours in December, making winters dreary and cold. The reduced visibility due to foggy conditions adds to the overall frigidness of the season.

Weather in January

Beginning the year in Turtle Lake, North Dakota, January greets residents and visitors with frosty conditions. This month holds the coldest average temperatures, dipping to a chilly 5.4°F (-14.8°C) at night and rising to 19.8°F (-6.8°C) during the day. Weather in January »

Weather in February

Transitioning into the second month, February in Turtle Lake, North Dakota, continues the wintry theme of January. Daytime temperatures remain below freezing, yet marginally warmer than the preceding month. Snowfall persists, but the frequency declines by half, reducing from 15.3 days in January to 14.3 days. Weather in February »

Weather in March

As March arrives in Turtle Lake, North Dakota, signals of spring become identifiable despite the lingering cold. The weather begins to shift as the winter snowfalls reduce. This month records a substantial rise in temperature, the highest increase observed from 20.8°F (-6.2°C) to 37°F (2.8°C), signaling the arrival of warmer days. Weather in March »

Weather in April

April's emergence in Turtle Lake, North Dakota, is paired with a pronounced change in weather. Humidity drops to 66% and the winter's white canvas gives way to rainfall, signalling the undeniable arrival of spring. The average daytime temperature climbs further to reach 50.5°F (10.3°C), providing a comfortable spring climate. Weather in April »

Weather in May

In May, Turtle Lake, North Dakota, fully embraces spring's charms. Temperatures continue their upward journey, averaging a pleasant 64.2°F (17.9°C) in the day. No more snowfall is found in this month, as the landscape completely transforms from white to green under the flourishing influence of spring. Weather in May »

Weather in June

June marks the start of summer in Turtle Lake, North Dakota, resonating with long sunny days and warm temperatures. Relative humidity hovers around 66%, and the weather transitions from being fairly pleasant to distinctively warm. Weather in June »

Weather in July

July stands as the peak of summer in Turtle Lake, North Dakota. With an average high of 82.2°F (27.9°C) during the day, this month is the warmest in the year. It's when the summer heat is at its zenith, and the daylight hours are the longest. Weather in July »

Weather in August

August in Turtle Lake, North Dakota, carries forward the summer warmth, but with subtle hints of impending change. Average day temperatures slightly falling, from July's 82.2°F (27.9°C) to 81.3°F (27.4°C), hint at the steady approach of autumn. Weather in August »

Weather in September

September in Turtle Lake, North Dakota, ushers in the autumn season, reflected in the receding temperatures and increasingly shorter days. It is characterised by a noticeable drop in daytime temperatures, reaching a cool 71.1°F (21.7°C) on average. Weather in September »

Weather in October

As October arrives in Turtle Lake, North Dakota, the fall season takes a deeper hold. Temperatures continue their downward trajectory, with the daytime average now measuring a cool 53.4°F (11.9°C). This time of year is marked by an increase in rainfall, as the humidity level nudges up to 64%. Weather in October »

Weather in November

November in Turtle Lake, North Dakota, is the onset of winter, with temperatures descending further to a daytime high of 37.6°F (3.1°C). While autumn leaves still adorn the city, the first snowfalls reappear, forecasting the upcoming winter. Weather in November »

Weather in December

December in Turtle Lake, North Dakota, welcomes full swing winter, defined by colder temperatures, frequent snowfalls, and a distinctive festive spirit. The month records an average low of 10.6°F (-11.9°C) at night, reinforcing the winter's presence. Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Turtle Lake?

Turtle Lake records the coldest temperatures in January, averaging a high of 19.8°F (-6.8°C) and a low of 5.4°F (-14.8°C).

What is the most humid month in Turtle Lake?

January is the most humid month in Turtle Lake, with an average relative humidity of 90%.

How much does it rain in Turtle Lake?

In Turtle Lake, during the entire year, the rain falls for 100.5 days and collects up to 15.2" (386mm) of precipitation.

When does it snow in Turtle Lake?

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

When does it snow the most in Turtle Lake?

January is the month with the most snowfall. Snow falls for 15.3 days and accumulates 3.78" (96mm) of snow.

How much does it snow in Turtle Lake?

Throughout the year, there are 72.6 snowfall days, and 21.14" (537mm) of snow is accumulated.

What is the month with the least sunshine in Turtle Lake?

The month with the least sunshine in Turtle Lake is January, with an average of 3.7h of sunshine.

What are the months with the lowest UV index in Turtle Lake?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month in Turtle Lake?

February is the month with the least rainfall in Turtle Lake, North Dakota. Rain falls for 1.9 days and accumulates 0.51" (13mm) of precipitation.

When is Daylight Saving Time (DST) in Turtle Lake?

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 wettest month in Turtle Lake?

June is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.6" (66mm) of precipitation.

When it does not snow in Turtle Lake?

June through September are months without snowfall in Turtle Lake, North Dakota.

When are the longest days in Turtle Lake?

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

What is the hottest time of year in Turtle Lake?

With an average high-temperature of 82.2°F (27.9°C) and an average low-temperature of 60.3°F (15.7°C), July is the warmest month in Turtle Lake.

What month has the most sunshine in Turtle Lake?

With an average of 11.3h of sunshine, July has the most sunshine of the year.

When is the highest UV index in Turtle Lake?

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

What is the least humid month in Turtle Lake?

The least humid month in Turtle Lake, North Dakota, is August, with an average relative humidity of 55%.

What is the month with the shortest days in Turtle Lake?

December has the shortest days of the year in Turtle Lake, North Dakota, with an average of 8h and 30min of daylight.

Average temperature
Turtle Lake, ND

Average temperature - Turtle Lake, ND

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (19.8°F).

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure
Turtle Lake, ND

Average pressure - Turtle Lake, ND

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Turtle Lake, ND

Average wind speed - Turtle Lake, ND

The windiest months (with the highest average wind speed) are April and October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity
Turtle Lake, ND

Average humidity - Turtle Lake, ND

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (55%).

Average rainfall
Turtle Lake, ND

Average rainfall - Turtle Lake, ND

The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days
Turtle Lake, ND

Average rainfall days - Turtle Lake, ND

The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (1.9 days).

Average snowfall
Turtle Lake, ND

Average snowfall - Turtle Lake, ND

The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Turtle Lake, ND

Average snowfall days - Turtle Lake, ND

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Turtle Lake, ND

Average daylight / Average sunshine - Turtle Lake, 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 30min).

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Turtle Lake, ND

Average sunshine days - Turtle Lake, ND

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (12.8 days).

Average visibility
Turtle Lake, ND

Average visibility - Turtle Lake, 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).

Turtle Lake, North Dakota, USA

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