Climate and monthly weather forecastBristol, SD
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Bristol, South Dakota, with an average temperature varying between 5°F (-15°C) and 18.9°F (-7.3°C). January, with its high-temperature average of 18.9°F (-7.3°C) and a low-temperature average of 5°F (-15°C), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Bristol, South Dakota, with an average temperature varying between 7.2°F (-13.8°C) and 21.4°F (-5.9°C). With February's advent, Bristol sees an average high-temperature of a still freezing cold 21.4°F (-5.9°C), subtly shifted from January's 18.9°F (-7.3°C). Weather in February »Weather in March
March, the first month of the spring in Bristol, is a wintry month, with an average temperature ranging between min 23.2°F (-4.9°C) and max 37.6°F (3.1°C). Bristol experiences a clear temperature upsurge in March, with average high-temperatures moving from a subzero cold 21.4°F (-5.9°C) in February to a wintry 37.6°F (3.1°C). Weather in March »Weather in April
April in Bristol, South Dakota, is a cool spring month, with an average temperature ranging between max 51.1°F (10.6°C) and min 35.1°F (1.7°C). April shows a rise in the average high-temperature, moving from March's wintry 37.6°F (3.1°C) to a fresh 51.1°F (10.6°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Bristol, South Dakota, with an average temperature fluctuating between 46.6°F (8.1°C) and 64°F (17.8°C). A rise in the average high-temperature is observed during May, moving from a cool 51.1°F (10.6°C) in April to a comfortable 64°F (17.8°C). Weather in May »Weather in June
June, the first month of the summer in Bristol, is a warm month, with an average temperature fluctuating between 74.3°F (23.5°C) and 56.3°F (13.5°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a refreshing 64°F (17.8°C) in May to a warm 74.3°F (23.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Bristol, South Dakota, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 81°F (27.2°C). July, recognised by an average high temperature of 81°F (27.2°C) and a low of 61.3°F (16.3°C), is Bristol's warmest month. During July, the heat index is estimated at 84.2°F (29°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Bristol, South Dakota, with an average temperature varying between 80.1°F (26.7°C) and 58.8°F (14.9°C). The high-temperature average in August for Bristol is a still warm 80.1°F (26.7°C), staying closely aligned with July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Bristol, is also an agreeable month, with an average temperature varying between 71.6°F (22°C) and 51.3°F (10.7°C). September witnesses a gentle descent in average high-temperature, descending from August's warm 80.1°F (26.7°C) to an agreeable 71.6°F (22°C). Weather in September »Weather in October
October, like September, in Bristol, South Dakota, is a cool autumn month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 38.7°F (3.7°C). With the onset of October, Bristol experiences a noticeable temperature shift, with the average high-temperature receding from a pleasant 71.6°F (22°C) in September to a cool 53.8°F (12.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another cold month in Bristol, South Dakota, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 25.7°F (-3.5°C). As Bristol welcomes November, there is a noticeable shift in the average high-temperature, dropping from October's fresh 53.8°F (12.1°C) to a cold 38.8°F (3.8°C). Weather in November »Weather in December
December, the first month of the winter in Bristol, is still a freezing cold month, with an average temperature varying between 11.5°F (-11.4°C) and 23.2°F (-4.9°C). December's onset brings a noticeable temperature drop, falling from a wintry 38.8°F (3.8°C) in November to a freezing cold 23.2°F (-4.9°C). Weather in December »Updated: Aug 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, noted for its average high-temperature of 18.9°F (-7.3°C) and an average low-temperature of 5°F (-15°C), is considered the coldest month.
The most humid month is January, with an average relative humidity of 91%.
In Bristol, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 68.4 snowfall days, and 23.74" (603mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.2h of sunshine.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
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.
June through September are months without snowfall.
With an average of 15h and 36min of daylight, June has the longest days of the year in Bristol.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
The warmest temperatures occur during July, when averages reach a peak of 81°F (27.2°C) and a low of 61.3°F (16.3°C).
July is the month with the most rainfall. Rain falls for 14.4 days and accumulates 3.58" (91mm) of precipitation.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
With an average relative humidity of 66%, September is the least humid month.
November is the month with the least rainfall. Rain falls for 4.6 days and accumulates 0.63" (16mm) of precipitation.
December is the month with the most snowfall. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Bristol, SD
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure
Bristol, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.96"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 February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Bristol, SD
- Average wind speed in January:
11mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11mph - Average wind speed in April:
11.7mph - Average wind speed in May:
10.5mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
8.7mph - Average wind speed in August:
8.8mph - Average wind speed in September:
10.3mph - Average wind speed in October:
11.3mph - Average wind speed in November:
11mph - Average wind speed in December:
11mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity
Bristol, SD
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall
Bristol, SD
- Average rainfall in January:
0.71" - Average rainfall in February:
0.71" - Average rainfall in March:
1.26" - Average rainfall in April:
1.93" - Average rainfall in May:
2.72" - Average rainfall in June:
3.46"
- Average rainfall in July:
3.58" - Average rainfall in August:
2.01" - Average rainfall in September:
1.57" - Average rainfall in October:
2.52" - Average rainfall in November:
0.63" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days
Bristol, SD
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Bristol, SD
- Average snowfall in January:
4.45" - Average snowfall in February:
4.29" - Average snowfall in March:
3.19" - Average snowfall in April:
2.64" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bristol, SD
- Average snowfall days in January:
15.1 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
10.4 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
0.8 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:
2.6 days - Average snowfall days in November:
6.6 days - Average snowfall days in December:
14.6 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bristol, SD
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Bristol, SD
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
Bristol, SD
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Bristol, SD
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
Bristol, SD
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
