Climate and monthly weather forecastSaint Francis, SD
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Saint Francis, South Dakota, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 18.5°F (-7.5°C). January, with average temperatures reaching a high of 31.5°F (-0.3°C) and a low of 18.5°F (-7.5°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Saint Francis, is a cold month, with an average temperature fluctuating between 34°F (1.1°C) and 19.8°F (-6.8°C). Saint Francis observes a minor difference in average high-temperatures between January's 31.5°F (-0.3°C) and February's 34°F (1.1°C). Weather in February »Weather in March
March, the first month of the spring in Saint Francis, is a chilly month, with an average temperature varying between 31.1°F (-0.5°C) and 47.8°F (8.8°C). Saint Francis's March weather shows an increase in high-temperatures, moving from February's cold 34°F (1.1°C) to a frosty 47.8°F (8.8°C). Weather in March »Weather in April
April in Saint Francis, South Dakota, is a refreshing spring month, with an average temperature fluctuating between 38.8°F (3.8°C) and 56.1°F (13.4°C). Observing a slight rise in April, the average high-temperature shifts from March's frosty 47.8°F (8.8°C) to a moderate 56.1°F (13.4°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Saint Francis, South Dakota, with an average temperature varying between 49.3°F (9.6°C) and 66.6°F (19.2°C). As May sets, the average high-temperature shows an increase, moving up from a mild 56.1°F (13.4°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »Weather in June
June, the first month of the summer in Saint Francis, is a moderately hot month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 79.2°F (26.2°C). The start of June brings a shift in the average high-temperature, increasing from May's comfortable 66.6°F (19.2°C) to a moderately hot 79.2°F (26.2°C). Weather in June »Weather in July
July in Saint Francis, South Dakota, is a hot summer month, with an average temperature fluctuating between 65.7°F (18.7°C) and 86.4°F (30.2°C). July, marked by an average high-temperature of 86.4°F (30.2°C) and a low-temperature of 65.7°F (18.7°C), is the warmest month. The average heat index in July is calculated to be a tropical 91.4°F (33°C). Weather in July »Weather in August
August, the last month of the summer in Saint Francis, is also a moderately hot month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 84.6°F (29.2°C). As August unfolds, the average high-temperature reaches a warm 84.6°F (29.2°C), hinting at a slight fluctuation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Saint Francis, is also a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 55.8°F (13.2°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's warm 84.6°F (29.2°C) to a still moderately hot 75.7°F (24.3°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Saint Francis, South Dakota, with an average temperature fluctuating between 42.3°F (5.7°C) and 58.6°F (14.8°C). With the transition into October, Saint Francis experiences a significant decrease in average high-temperatures, moving down from a moderately hot 75.7°F (24.3°C) in September to a mild 58.6°F (14.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Saint Francis, South Dakota, with an average temperature fluctuating between 46.4°F (8°C) and 31.1°F (-0.5°C). The commencement of November indicates a shift in the average high-temperature, receding from October's moderate 58.6°F (14.8°C) to a chilly 46.4°F (8°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Saint Francis, South Dakota, with an average temperature ranging between max 31.8°F (-0.1°C) and min 20.1°F (-6.6°C). Witnessing a clear downswing, the average high-temperature during December drops from November's frosty 46.4°F (8°C) to a freezing cold 31.8°F (-0.1°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
January, with its high-temperature average of 31.5°F (-0.3°C) and a low-temperature average of 18.5°F (-7.5°C), is the coldest month in Saint Francis, South Dakota.
The most humid month is January, with an average relative humidity of 78%.
The month with the least rainfall in Saint Francis, South Dakota, is January, when the rain falls for 2.4 days and typically collects 0.47" (12mm) of precipitation.
In Saint Francis, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.
Months with snowfall in Saint Francis, South Dakota, are January through May, September through December.
In Saint Francis, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.
With an average of 5.4h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint Francis, South Dakota.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Saint Francis, 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.
The month with the most rainfall in Saint Francis is May, when the rain falls for 15.7 days and typically aggregates up to 2.6" (66mm) of precipitation.
In Saint Francis, South Dakota, snow does not fall in June through August.
With an average of 15h and 18min of daylight, June has the longest days of the year in Saint Francis.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July, with average temperatures reaching a high of 86.4°F (30.2°C) and a low of 65.7°F (18.7°C), is the warmest month.
The month with the most sunshine in Saint Francis, South Dakota, is July, with an average of 11.2h of sunshine.
September is the least humid month, with an average relative humidity of 56%.
The month with the most snowfall in Saint Francis is December, when snow falls for 7.1 days and typically aggregates up to 2.76" (70mm) of snow.
The month with the shortest days in Saint Francis is December, with an average of 9h and 6min of daylight.
Average temperature
Saint Francis, SD
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Saint Francis, SD
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.03"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:
29.95"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Saint Francis, SD
- Average wind speed in January:
12.2mph - Average wind speed in February:
11.7mph - Average wind speed in March:
12.1mph - Average wind speed in April:
13.1mph - Average wind speed in May:
12.2mph - Average wind speed in June:
11.2mph
- Average wind speed in July:
10.6mph - Average wind speed in August:
10.6mph - Average wind speed in September:
11.7mph - Average wind speed in October:
12.6mph - Average wind speed in November:
11.9mph - Average wind speed in December:
11.9mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity
Saint Francis, SD
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall
Saint Francis, SD
- Average rainfall in January:
0.47" - Average rainfall in February:
0.63" - Average rainfall in March:
1.38" - Average rainfall in April:
1.93" - Average rainfall in May:
2.6" - Average rainfall in June:
2.56"
- Average rainfall in July:
1.97" - Average rainfall in August:
1.65" - Average rainfall in September:
1.14" - Average rainfall in October:
1.22" - Average rainfall in November:
0.55" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days
Saint Francis, SD
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
3.1 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
4 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall
Saint Francis, SD
- Average snowfall in January:
2.05" - Average snowfall in February:
2.68" - Average snowfall in March:
2.64" - Average snowfall in April:
1.38" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Saint Francis, SD
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
2.6 days - Average snowfall days in May:
0.6 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:
1.6 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Saint Francis, SD
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
6h and 36min - Average sunshine in March:
7h and 18min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
Saint Francis, SD
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index
Saint Francis, SD
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Saint Francis, SD
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility
Saint Francis, 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).
