Expand
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 Bismarck, Illinois, with an average temperature varying between 31.6°F (-0.2°C) and 20.5°F (-6.4°C). In Bismarck, January is the coldest month, with temperatures averaging a high of 31.6°F (-0.2°C) and a low of 20.5°F (-6.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Bismarck, Illinois, with an average temperature ranging between min 23.9°F (-4.5°C) and max 37°F (2.8°C). A slight uplift in the average high-temperature marks February, adjusting from January's subzero cold 31.6°F (-0.2°C) to a cold 37°F (2.8°C). Weather in February »
Weather in March
March, the first month of the spring in Bismarck, is a chilly month, with an average temperature fluctuating between 34.9°F (1.6°C) and 49.1°F (9.5°C). March's arrival is marked by an increase in the average high-temperature, moving from a wintry 37°F (2.8°C) in February to a frosty 49.1°F (9.5°C). Weather in March »
Weather in April
April in Bismarck, Illinois, is a refreshing spring month, with an average temperature varying between 61.2°F (16.2°C) and 45°F (7.2°C). As Bismarck welcomes April, the average high-temperature sees a rise, transitioning from a frosty 49.1°F (9.5°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Bismarck, Illinois, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.8°F (22.1°C). Bismarck's transition into May is marked by a temperature shift, moving from an enjoyable 61.2°F (16.2°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Bismarck, Illinois, with an average temperature varying between 63.3°F (17.4°C) and 79.9°F (26.6°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from an agreeable 71.8°F (22.1°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Bismarck, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.3°F (27.4°C). The warmest time of the year is July, with temperatures averaging a high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C). July's average heat index is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Bismarck, Illinois, with an average temperature fluctuating between 80.6°F (27°C) and 63.3°F (17.4°C). The arrival of August records an average high-temperature of a still moderately hot 80.6°F (27°C), closely related to the 81.3°F (27.4°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Bismarck, Illinois, with an average temperature varying between 57.7°F (14.3°C) and 76.1°F (24.5°C). The average high-temperature in September, at a still warm 76.1°F (24.5°C), reveals a modest deviation from August's 80.6°F (27°C). Weather in September »
Weather in October
October, like September, in Bismarck, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 63.1°F (17.3°C) and 47.1°F (8.4°C). With the onset of October, Bismarck's average high-temperature adjusts, receding from September's warm 76.1°F (24.5°C) to a comfortable 63.1°F (17.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Bismarck, is also a frosty month, with an average temperature ranging between min 35.6°F (2°C) and max 48.9°F (9.4°C). The onset of November introduces a moderate change in Bismarck's weather, with average high-temperatures falling from October's comfortable 63.1°F (17.3°C) to a chilly 48.9°F (9.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Bismarck, Illinois, with an average temperature ranging between max 37.6°F (3.1°C) and min 27.5°F (-2.5°C). In Bismarck, the average high-temperature in December drops from a frosty 48.9°F (9.4°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Bismarck?
January, marked by an average high-temperature of 31.6°F (-0.2°C) and a low-temperature of 20.5°F (-6.4°C), is the coldest month in Bismarck.
How much does it rain in Bismarck?
In Bismarck, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.
When does it snow in Bismarck?
Months with snowfall in Bismarck are January through April, November and December.
How much does it snow in Bismarck?
Throughout the year, in Bismarck, Illinois, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.
What is the month with the least sunshine in Bismarck?
With an average of 4h of sunshine, January has the least sunshine of the year in Bismarck, Illinois.
When is the lowest UV index in Bismarck?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month in Bismarck?
February and September are months with the least rain in Bismarck, Illinois, when the rain falls for 6.6 days and typically aggregates up to 1.38" (35mm) of rain.
When does it snow the most in Bismarck?
The month with the most snowfall in Bismarck, Illinois, is February, when snow falls for 8.9 days and typically aggregates up to 2.64" (67mm) of snow.
When is Daylight Saving Time (DST) in Bismarck?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bismarck, 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 rainiest month in Bismarck?
The month with the most rainfall in Bismarck is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.
When it does not snow in Bismarck?
May through October are months without snowfall.
When are the longest days in Bismarck?
With an average of 15h and 0min of daylight, June has the longest days of the year in Bismarck.
What month has the most sunshine in Bismarck?
June has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the month with the highest UV index in Bismarck?
The months with the highest UV index in Bismarck, Illinois, are June through August, with an average maximum UV index of 6.
What are the warmest months in Bismarck?
July tends to be the warmest month, with temperatures averaging a daily high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).
What is the most humid month in Bismarck?
The most humid month in Bismarck is July, with an average relative humidity of 84%.
What is the least humid month in Bismarck?
October is the least humid month, with an average relative humidity of 72%.
What is the month with the shortest days in Bismarck?
The month with the shortest days in Bismarck is December, with an average of 9h and 24min of daylight.
Average temperature
Bismarck, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure
Bismarck, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Bismarck, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Bismarck, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Bismarck, IL
- Average rainfall in January:
1.61" - Average rainfall in February:
1.38" - Average rainfall in March:
2.32" - Average rainfall in April:
3.23" - Average rainfall in May:
3.15" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.44" - Average rainfall in August:
2.24" - Average rainfall in September:
1.38" - Average rainfall in October:
2.05" - Average rainfall in November:
1.46" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days
Bismarck, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
18 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall
Bismarck, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Bismarck, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.9 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bismarck, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Bismarck, IL
- Average sunshine days in January:
15 days - Average sunshine days in February:
13.1 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
11.6 days - Average sunshine days in May:
10 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index
Bismarck, IL
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
Bismarck, IL
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility
Bismarck, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Bismarck, Illinois, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
