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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Reliance, South Dakota, with an average temperature varying between 12.6°F (-10.8°C) and 26.1°F (-3.3°C). During the coldest month, January, temperatures average a high of 26.1°F (-3.3°C) and a low of 12.6°F (-10.8°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Reliance, South Dakota, with an average temperature varying between 29.8°F (-1.2°C) and 15.3°F (-9.3°C). At the start of February, Reliance's average high-temperature reaches a still subzero cold 29.8°F (-1.2°C), subtly different from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Reliance, South Dakota, with an average temperature ranging between min 29.1°F (-1.6°C) and max 45°F (7.2°C). Reliance sees a considerable increase in average high-temperatures during March, surging from a subzero cold 29.8°F (-1.2°C) in February to a chilly 45°F (7.2°C). Weather in March »
Weather in April
April in Reliance, South Dakota, is a refreshing spring month, with an average temperature varying between 56.3°F (13.5°C) and 38.3°F (3.5°C). In April, the meteorological conditions change with the average high-temperature moving from a frosty 45°F (7.2°C) in March to a mild 56.3°F (13.5°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Reliance, South Dakota, with an average temperature varying between 67.8°F (19.9°C) and 49.3°F (9.6°C). In Reliance, the average high-temperature in May rises, from a moderate 56.3°F (13.5°C) in April, to an enjoyable 67.8°F (19.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Reliance, South Dakota, with an average temperature varying between 60.4°F (15.8°C) and 79.7°F (26.5°C). The onset of June brings a rise in the average high-temperature, elevating from a refreshing 67.8°F (19.9°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July in Reliance, South Dakota, is a tropical summer month, with an average temperature varying between 66.2°F (19°C) and 88°F (31.1°C). Reliance's July weather, marked by an average high temperature of 88°F (31.1°C) and an average low temperature of 66.2°F (19°C), is the warmest in the year. The heat index value during July is estimated at a very hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Reliance, South Dakota, with an average temperature ranging between max 85.8°F (29.9°C) and min 63.7°F (17.6°C). With the arrival of August, Reliance's average high-temperature registers at a moderately hot 85.8°F (29.9°C), indicating a subtle variation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Reliance, South Dakota, with an average temperature ranging between max 76.3°F (24.6°C) and min 55.9°F (13.3°C). The arrival of September indicates a decrease in the average high-temperature, moving from 85.8°F (29.9°C) in August to a still warm 76.3°F (24.6°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Reliance, South Dakota, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 42.4°F (5.8°C). The arrival of October brings a distinct temperature shift, with the average high-temperature dropping from a moderately hot 76.3°F (24.6°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Reliance, South Dakota, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45.5°F (7.5°C). Reliance's weather in November involves a decrease in the average high-temperature, moving down from October's moderate 58.6°F (14.8°C) to a frosty 45.5°F (7.5°C). Weather in November »
Weather in December
December, the first month of the winter in Reliance, is still a freezing cold month, with temperature in the range of an average high of 29.1°F (-1.6°C) and an average low of 16.9°F (-8.4°C). Reliance's weather experiences a significant temperature drop with the arrival of December, falling from a frosty 45.5°F (7.5°C) in November to a freezing cold 29.1°F (-1.6°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Reliance?
With an average high-temperature of 26.1°F (-3.3°C) and an average low-temperature of 12.6°F (-10.8°C), January is the coldest month in Reliance.
What is the most humid month in Reliance?
The most humid month in Reliance, South Dakota, is January, with an average relative humidity of 86%.
How many days does it rain in Reliance?
In Reliance, South Dakota, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.
When does it snow in Reliance?
Months with snowfall are January through April, October through December.
How much does it snow in Reliance?
In Reliance, South Dakota, during the entire year, snow falls for 50.9 days and aggregates up to 17.87" (454mm) of snow.
What is the month with the least sunshine in Reliance?
With an average of 4.7h of sunshine, January has the least sunshine of the year.
When does it snow the most in Reliance?
The month with the most snowfall in Reliance is February, when snow falls for 11.7 days and typically aggregates up to 3.66" (93mm) of snow.
When is the lowest UV index in Reliance?
The month with the lowest UV index is February, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Reliance?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Reliance, South Dakota, 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 in Reliance?
May through September are months without snowfall in Reliance.
What is the rainiest month in Reliance?
June is the month with the most rainfall in Reliance. Rain falls for 14.6 days and accumulates 3.03" (77mm) of precipitation.
When are the longest days in Reliance?
With an average of 15h and 24min of daylight, June has the longest days of the year in Reliance.
When is the highest UV index in Reliance?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Reliance, South Dakota.
What time of the year is the hottest in Reliance?
The warmest period is July, when temperatures fluctuate between an average high of 88°F (31.1°C) and a low of 66.2°F (19°C).
What month has the most sunshine in Reliance?
The month with the most sunshine is July, with an average of 11.4h of sunshine.
What is the least humid month in Reliance?
The least humid month in Reliance is September, with an average relative humidity of 58%.
What is the driest month in Reliance?
The month with the least rainfall in Reliance, South Dakota, is November, when the rain falls for 4.1 days and typically collects 0.55" (14mm) of precipitation.
What is the month with the shortest days in Reliance?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Reliance, SD
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure
Reliance, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Reliance, SD
- Average wind speed in January:
10.3mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.6mph - Average wind speed in April:
11.3mph - Average wind speed in May:
10.4mph - Average wind speed in June:
9.8mph
- Average wind speed in July:
9.2mph - Average wind speed in August:
9.1mph - Average wind speed in September:
10.3mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity
Reliance, SD
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall
Reliance, SD
- Average rainfall in January:
0.59" - Average rainfall in February:
0.67" - Average rainfall in March:
1.26" - Average rainfall in April:
1.89" - Average rainfall in May:
2.8" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.5" - Average rainfall in September:
1.18" - Average rainfall in October:
1.14" - Average rainfall in November:
0.55" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days
Reliance, SD
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
11 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
7.8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
3.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Reliance, SD
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Reliance, SD
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.6 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
9.6 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Reliance, SD
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 1min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Reliance, SD
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
15.9 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.7 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index
Reliance, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Reliance, SD
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Reliance, SD
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Reliance, South Dakota, USA
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