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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 another subzero cold winter month in Hartford, South Dakota, with temperature in the range of an average high of 22.8°F (-5.1°C) and an average low of 9.3°F (-12.6°C). Temperature records mark January as the coldest month, with highs averaging 22.8°F (-5.1°C) and lows at 9.3°F (-12.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Hartford, South Dakota, with an average temperature fluctuating between 26.6°F (-3°C) and 13.1°F (-10.5°C). February welcomes an average high-temperature of a still freezing cold 26.6°F (-3°C), not much different from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Hartford, is a frosty month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 42.8°F (6°C). The shift from February to March is characterized by a clear increase in the average high-temperature, escalating from a subzero cold 26.6°F (-3°C) to a chilly 42.8°F (6°C). Weather in March »
Weather in April
April in Hartford, South Dakota, is a mild spring month, with an average temperature fluctuating between 55.4°F (13°C) and 38.5°F (3.6°C). The rise of average high-temperatures is seen in April, with an increase from a chilly 42.8°F (6°C) in March to a mild 55.4°F (13°C). Weather in April »
Weather in May
May, the last month of the spring in Hartford, is a refreshing month, with temperature in the range of an average high of 67.3°F (19.6°C) and an average low of 50°F (10°C). An increase in the average high-temperature marks May, moving from April's refreshing 55.4°F (13°C) to a comfortable 67.3°F (19.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Hartford, South Dakota, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 77.5°F (25.3°C). June's arrival is marked by an increase in the average high-temperature, moving from a refreshing 67.3°F (19.6°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Hartford, South Dakota, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 63.1°F (17.3°C). Hartford experiences its highest average temperatures in July, reaching a peak of 82.6°F (28.1°C) and a minimum of 63.1°F (17.3°C). July's mean heat index is computed to be a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Hartford, is also a moderately hot month, with an average temperature ranging between min 59.5°F (15.3°C) and max 81.1°F (27.3°C). August's arrival brings an average high-temperature of a still moderately hot 81.1°F (27.3°C), slightly deviating from July's 82.6°F (28.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hartford, South Dakota, with an average temperature varying between 53.4°F (11.9°C) and 74.3°F (23.5°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from 81.1°F (27.3°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Hartford, South Dakota, with an average temperature ranging between min 41.2°F (5.1°C) and max 57.2°F (14°C). A notable decrease in the average high-temperature is observed during October, falling from a warm 74.3°F (23.5°C) in September to a refreshing 57.2°F (14°C). Weather in October »
Weather in November
November, the last month of the autumn in Hartford, is another chilly month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 43°F (6.1°C). In Hartford, the beginning of November is marked by a lowered average high-temperature, shifting from October's refreshing 57.2°F (14°C) to a chilly 43°F (6.1°C). Weather in November »
Weather in December
December, the first month of the winter in Hartford, is also a subzero cold month, with temperature in the range of an average high of 27.5°F (-2.5°C) and an average low of 15.4°F (-9.2°C). As Hartford steps into December, a marked temperature drop is observed, with the average high-temperature reducing from November's frosty 43°F (6.1°C) to a subzero cold 27.5°F (-2.5°C). Weather in December »
Updated: Jul 25, 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 coldest time of year?
In Hartford, January is known for its average lowest temperatures, reaching a high of 22.8°F (-5.1°C) and a low of 9.3°F (-12.6°C).
What is the most humid month?
January is the most humid month, with an average relative humidity of 88%.
How much does it rain?
In Hartford, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
In Hartford, South Dakota, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 2.6 days and typically collects 0.63" (16mm) of precipitation.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 18.3 days and accumulates 3.62" (92mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 24min of daylight.
What are the months with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What month is the hottest?
The warmest time of the year is July, with temperatures averaging a high of 82.6°F (28.1°C) and a low of 63.1°F (17.3°C).
What month has the most sunshine in Hartford?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the least humid month?
With an average relative humidity of 67%, October is the least humid month.
When does it snow the most?
The month with the most snowfall is December, when snow falls for 10.1 days and typically aggregates up to 4.21" (107mm) of snow.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Hartford, SD
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure
Hartford, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Hartford, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.9mph - Average wind speed in April:
11.4mph - Average wind speed in May:
9.9mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
8.1mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.5mph - Average wind speed in October:
10.7mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity
Hartford, SD
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Hartford, SD
- Average rainfall in January:
0.67" - Average rainfall in February:
0.63" - Average rainfall in March:
1.38" - Average rainfall in April:
2.36" - Average rainfall in May:
3.19" - Average rainfall in June:
3.62"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.48" - Average rainfall in September:
2.05" - Average rainfall in October:
1.77" - Average rainfall in November:
0.67" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days
Hartford, SD
- Average rainfall days in January:
2.9 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall
Hartford, SD
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartford, SD
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.2 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 days - Average snowfall days in October:
1.6 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartford, 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 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 0min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Hartford, SD
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
13 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index
Hartford, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Hartford, SD
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Hartford, 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).
Hartford, South Dakota, USA
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