Lake Sinai, SD Climate


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Lake Sinai, SD has a typically continental climate, characterized by cold, dry winters and warm, humid summers. The average temperature in the summer is around 75°F (24°C), while winter temperatures can drop to around 21°F (-6°C). During the spring and fall months, temperatures range between 40-60°F (5-16°C). Precipitation is fairly uniform throughout the year with an average of about 12 inches (30 cm) per year. Snowfall typically arrives in late November and continues through early March each year.

Lake Sinai, South Dakota gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lake Sinai averages 39 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 208 sunny days per year in Lake Sinai. The US average is 205 sunny days.

Lake Sinai gets some kind of precipitation, on average, 83 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 83 degrees
Winter Low: the January low is 5
Rain: averages 26 inches of rain a year
Snow: averages 39 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lake Sinai is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

9.3 Summer - 4.2 Winter
August, July and June are the most pleasant months in Lake Sinai, while January and December are the least comfortable months.

  ClimateLake Sinai, South DakotaUnited States
  26.0 in.38.1 in.
  39.4 in.27.8 in.
  82.6 days106.2 days
  208 days205 days
  82.6°85.8°
  4.8°21.7°
  6.87
  3.64.3
  1749 ft.2443 ft.
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 Sinai with an average high temperature of 82.6°, which ranks it as cooler than most places in South Dakota. In Lake Sinai, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lake Sinai are June, August and July.
In Lake Sinai, there are 8.6 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.
January has the coldest nighttime temperatures for Lake Sinai with an average of 4.8°. This is colder than most places in South Dakota.
In Lake Sinai, there are 165.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Dakota.
In Lake Sinai, there are 30.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.
Humidity in Lake Sinai is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in Lake Sinai with 4.2 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 41% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 26.0 inches in Lake Sinai means that it is wetter than most places in South Dakota.
June is the rainiest month in Lake Sinai with 10.4 days of rain, and February is the driest month with only 4.3 rainy days. There are 82.6 rainy days annually in Lake Sinai, which is rainier than most 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 39.4 inches in Lake Sinai means that it is snowier than most places in South Dakota. December is the snowiest month in Lake Sinai with 7.3 inches of snow, and 7 months of the year have significant snowfall.
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