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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, in Rockyford, South Dakota, is another cold winter month, with an average temperature ranging between min 18.1°F (-7.7°C) and max 32.5°F (0.3°C). January's onset brings an average high-temperature of a still wintry 32.5°F (0.3°C), showing a minute difference from December's 32.4°F (0.2°C). Weather in January »
Weather in February
February, the last month of the winter in Rockyford, is also a wintry month, with an average temperature varying between 18.9°F (-7.3°C) and 33.8°F (1°C). The shift into February records an average high-temperature of a still icy 33.8°F (1°C), subtly varied from January's 32.5°F (0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Rockyford, South Dakota, with an average temperature fluctuating between 30.6°F (-0.8°C) and 48.7°F (9.3°C). The arrival of March is marked by a notable increase in high-temperatures, climbing from a wintry 33.8°F (1°C) in February to a frosty 48.7°F (9.3°C). Weather in March »
Weather in April
April is a refreshing spring month in Rockyford, South Dakota, with an average temperature ranging between min 37.6°F (3.1°C) and max 55.9°F (13.3°C). As Rockyford transitions into April, the average high-temperature is observed to slightly rise from a frosty 48.7°F (9.3°C) in March to a mild 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Rockyford, South Dakota, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 46.9°F (8.3°C). Rockyford's May weather brings a rise in high-temperatures, moving from a refreshing 55.9°F (13.3°C) in April to a comfortable 66.2°F (19°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Rockyford, South Dakota, with an average temperature varying between 58.6°F (14.8°C) and 79.9°F (26.6°C). Rockyford's weather in June presents a rise in the average high-temperature, moving from a comfortable 66.2°F (19°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July is a tropical summer month in Rockyford, South Dakota, with an average temperature fluctuating between 65.5°F (18.6°C) and 87.6°F (30.9°C). Rockyford's July weather, marked by an average high temperature of 87.6°F (30.9°C) and an average low temperature of 65.5°F (18.6°C), is the warmest in the year. July's mean heat index is computed to be a tropical 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Rockyford, is another warm month, with an average temperature fluctuating between 64°F (17.8°C) and 85.6°F (29.8°C). Rockyford's shift into August is marked by a subtle change to a moderately hot 85.6°F (29.8°C) from July's 87.6°F (30.9°C) in temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rockyford, South Dakota, with an average temperature fluctuating between 77°F (25°C) and 55.9°F (13.3°C). With the onset of September, Rockyford experiences a modest temperature adjustment, with the average high-temperature gently receding from 85.6°F (29.8°C) in August to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Rockyford, South Dakota, with an average temperature fluctuating between 58.5°F (14.7°C) and 41°F (5°C). The shift into October is marked by a considerable temperature decrease, with the average high-temperature dropping from a moderately hot 77°F (25°C) in September to a mild 58.5°F (14.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Rockyford, is another chilly month, with an average temperature varying between 29.8°F (-1.2°C) and 46.2°F (7.9°C). Rockyford's transition into November involves a shift in temperature, receding from a moderate 58.5°F (14.7°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Rockyford, South Dakota, with an average temperature fluctuating between 32.4°F (0.2°C) and 18.7°F (-7.4°C). Rockyford's December weather, marked by an average high temperature of 32.4°F (0.2°C) and an average low temperature of 18.7°F (-7.4°C), is the coldest in the year. Weather in December »
Updated: Jul 10, 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 is the most humid month?
The most humid month is January, with an average relative humidity of 80%.
What is the driest month?
January is the month with the least rainfall in Rockyford. Rain falls for 3.5 days and accumulates 0.55" (14mm) of precipitation.
How many days does it rain?
In Rockyford, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.
When does it snow?
January through May, September through December are months with snowfall.
How many days does it snow?
In Rockyford, during the entire year, snow falls for 47.4 days and aggregates up to 22.72" (577mm) of snow.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 11.5 days and accumulates 4.02" (102mm) of snow.
What is the month with the least sunshine?
With an average of 5.2h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 13.1 days and typically aggregates up to 2.13" (54mm) of precipitation.
When it does not snow in Rockyford?
In Rockyford, South Dakota, snow does not fall in June through August.
When are the longest days?
June has the longest days of the year, with an average of 15h and 24min of daylight.
What are the warmest months?
Rockyford's warmest month, July, registers temperatures that range from a high of 87.6°F (30.9°C) to a low of 65.5°F (18.6°C).
What is the month with the highest UV index in Rockyford?
With an average maximum UV index of 7, July is the month with the highest UV index.
What is the least humid month?
The least humid month is August, with an average relative humidity of 48%.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 11.8h of sunshine.
What time of the year is the coldest?
December is the coldest month of the year, registering average temperatures as high as 32.4°F (0.2°C) and as low as 18.7°F (-7.4°C).
What is the month with the shortest days?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Rockyford, SD
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure
Rockyford, SD
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Rockyford, SD
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11.2mph - Average wind speed in April:
12.2mph - Average wind speed in May:
11.4mph - Average wind speed in June:
10.9mph
- Average wind speed in July:
10.4mph - Average wind speed in August:
10.2mph - Average wind speed in September:
11.2mph - Average wind speed in October:
11.4mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity
Rockyford, SD
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall
Rockyford, SD
- Average rainfall in January:
0.55" - Average rainfall in February:
0.79" - Average rainfall in March:
1.14" - Average rainfall in April:
1.81" - Average rainfall in May:
2.13" - Average rainfall in June:
1.42"
- Average rainfall in July:
1.26" - Average rainfall in August:
0.91" - Average rainfall in September:
1.02" - Average rainfall in October:
1.1" - Average rainfall in November:
0.67" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days
Rockyford, SD
- Average rainfall days in January:
3.5 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
13.1 days - Average rainfall days in June:
10.4 days
- Average rainfall days in July:
10.1 days - Average rainfall days in August:
7.3 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall
Rockyford, SD
- Average snowfall in January:
2.87" - Average snowfall in February:
4.02" - Average snowfall in March:
3.35" - Average snowfall in April:
2.09" - Average snowfall in May:
2.17" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Rockyford, SD
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
11.5 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
3.5 days - Average snowfall days in May:
1.2 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:
0.1 days - Average snowfall days in October:
2 days - Average snowfall days in November:
4.9 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Rockyford, 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 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - 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:
5h and 4min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 4min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days
Rockyford, SD
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
18.1 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
15.5 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
22.3 days - Average sunshine days in September:
22.8 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
20.8 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index
Rockyford, SD
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rockyford, SD
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Rockyford, SD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rockyford, South Dakota, USA
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