Reliance, SD Weather


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United States / South Dakota / No Metro Area / Lyman County / Reliance / Zip Codes

The most pleasant months of the year for Reliance are September, June and May. In Reliance, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Reliance with an average high temperature of 88.4°, which ranks it as one of the hottest places in South Dakota. March is the snowiest month in Reliance with 8.2 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Reliance, SD

9 AM PST

Mostly Sunny

37°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayMostly Sunny44° / 25°NW 25 to 29 mph
SaturdaySunny48° / 26°WNW 10 to 14 mph
SundaySunny60° / 42°SW 6 to 13 mph
MondayChance Rain Showers64° / 41°W 15 to 22 mph
TuesdayMostly Sunny57° / 35°NW 18 mph
WednesdayPartly Sunny64° / 45°SE 10 to 20 mph
ThursdayChance Rain Showers67° / 47°SE 17 to 21 mph

Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 10
Rain: averages 22 inches of rain a year
Snow: averages 37 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Reliance area is 8.9 (10=best), which means it is more comfortable than most places in South Dakota.

8.9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January31° 10°
February36° 14°
March46° 23°
April60° 34°
May71° 46°
June81° 56°
July88° 62°
August87° 60°
September78° 50°
October63° 37°
November45° 23°
December32° 12°
Hot, Freezing, Rainy, Snowy Days: Reliance
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January03043
February02743
March02563
April01281
May11110
June40110
July13090
August11080
September4170
October0960
November02453
December03144

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.

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