Lake Flat, SD Climate

Lake Flat, SD has a continental climate with hot summers and cold winters. The average high in the summer months of June to August is around 82 degrees Fahrenheit, while the average low in December through February is about 15 degrees Fahrenheit. Precipitation is fairly evenly distributed throughout the year, with April and May seeing slightly more than other months. Snowfall generally begins in November and can last into April or May. The area experiences brief thunderstorms during the late spring and summer months which help keep temperatures mild.

Lake Flat, South Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lake Flat averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 226 sunny days per year in Lake Flat. The US average is 205 sunny days.

Lake Flat gets some kind of precipitation, on average, 71 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 89 degrees
Winter Low: the January low is 10
Rain: averages 17 inches of rain a year
Snow: averages 33 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lake Flat is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

8.7 Summer - 5.1 Winter

June, September and August are the most pleasant months in Lake Flat, while January and December are the least comfortable months.

Climate	Lake Flat, South Dakota	United States
	Unlock	38.1 in.
	32.9 in.	Unlock
	Unlock	106.2 days
	226 days	Unlock
	89.0°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	2802 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Lake Flat with an average high temperature of 89.0°, which ranks it as one of the hottest places in South Dakota. In Lake Flat, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lake Flat are September, June and May.

In Lake Flat, there are 40.2 days annually when the high temperature is over 90°, which is one of the hottest places in South Dakota.

January has the coldest nighttime temperatures for Lake Flat with an average of 9.8°. This is warmer than most places in South Dakota.

In Lake Flat, there are 175.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.

In Lake Flat, there are 20.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

Humidity in Lake Flat is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

May is the wettest month in Lake Flat with 3.3 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 17.3 inches in Lake Flat means that it is one of the driest places in South Dakota.

June is the rainiest month in Lake Flat with 10.0 days of rain, and January is the driest month with only 3.6 rainy days. There are 71.0 rainy days annually in Lake Flat, which is one of the least rainy places in South Dakota. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 16% chance of a rainy day.

An annual snowfall of 32.9 inches in Lake Flat means that it is less snowy than most places in South Dakota. March is the snowiest month in Lake Flat with 7.6 inches of snow, and 7 months of the year have significant snowfall.

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