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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 De Kalb, Missouri, is an icy winter month, with an average temperature varying between 36°F (2.2°C) and 21.2°F (-6°C). In De Kalb, January records the lowest average temperatures, peaking at 36°F (2.2°C) and reaching a low of 21.2°F (-6°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in De Kalb, Missouri, with an average temperature varying between 24.6°F (-4.1°C) and 39.7°F (4.3°C). As De Kalb, Missouri, transitions from January to February, the average high-temperatures adjust to a still icy 39.7°F (4.3°C), nearly the same as the previous 36°F (2.2°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in De Kalb, Missouri, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 36.3°F (2.4°C). March's arrival signals an increase in average high-temperatures, moving from February's icy 39.7°F (4.3°C) to a cool 53.2°F (11.8°C). Weather in March »
Weather in April
April is a comfortable spring month in De Kalb, Missouri, with an average temperature ranging between min 45.1°F (7.3°C) and max 63.9°F (17.7°C). The beginning of April marks a shift in the average high-temperature, moving from March's fresh 53.2°F (11.8°C) to a refreshing 63.9°F (17.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in De Kalb, Missouri, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72.5°F (22.5°C). The start of May brings a subtle shift in the average high-temperature, edging up from April's comfortable 63.9°F (17.7°C) to a pleasant 72.5°F (22.5°C). Weather in May »
Weather in June
June, the first month of the summer in De Kalb, is a warm month, with an average temperature varying between 65.7°F (18.7°C) and 83.5°F (28.6°C). De Kalb experiences a temperature shift with the start of June, with average high-temperatures moving from a pleasant 72.5°F (22.5°C) in May to a moderately hot 83.5°F (28.6°C). Weather in June »
Weather in July
July in De Kalb, Missouri, is a tropical summer month, with an average temperature ranging between min 68.2°F (20.1°C) and max 86.4°F (30.2°C). The temperatures reach their highest averages in July, with highs of 86.4°F (30.2°C) and lows of 68.2°F (20.1°C). July's mean heat index is evaluated at a torrid 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in De Kalb, is another warm month, with an average temperature ranging between min 64.9°F (18.3°C) and max 84.4°F (29.1°C). De Kalb, Missouri, starts August with an average high-temperature of a warm 84.4°F (29.1°C), a minor shift from July's 86.4°F (30.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in De Kalb, Missouri, with an average temperature fluctuating between 78.3°F (25.7°C) and 59°F (15°C). September reveals a small adjustment in temperature, transitioning from an average high of a warm 84.4°F (29.1°C) in August to a still moderately hot 78.3°F (25.7°C). Weather in September »
Weather in October
October, like September, in De Kalb, Missouri, is another comfortable autumn month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 64.6°F (18.1°C). October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 64.6°F (18.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in De Kalb, Missouri, with an average temperature ranging between max 51.6°F (10.9°C) and min 36°F (2.2°C). The onset of November introduces a moderate change in De Kalb's weather, with average high-temperatures falling from October's enjoyable 64.6°F (18.1°C) to a cool 51.6°F (10.9°C). Weather in November »
Weather in December
December, the first month of the winter in De Kalb, is also an icy month, with an average temperature ranging between max 39.4°F (4.1°C) and min 25.9°F (-3.4°C). De Kalb's December weather comes with a decrease in average high-temperatures, moving from a cool 51.6°F (10.9°C) in November to an icy 39.4°F (4.1°C). Weather in December »
Updated: Jun 5, 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 month is the coldest?
In De Kalb, the average lowest temperatures are observed in January, with a high of 36°F (2.2°C) and a low of 21.2°F (-6°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.79" (20mm) of precipitation.
How much does it rain in De Kalb?
Throughout the year, there are 125.3 rainfall days, and 23.94" (608mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
In De Kalb, during the entire year, snow falls for 19.9 days and aggregates up to 7.87" (200mm) of snow.
What is the month with the least sunshine?
With an average of 5.1h of sunshine, January has the least sunshine of the year.
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.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 5.7 days and typically aggregates up to 2.56" (65mm) of snow.
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 most humid month?
May and June, with an average relative humidity of 78%, are most humid months in De Kalb.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.58" (91mm) of precipitation.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
June and July, with an average of 10.3h of sunshine, are months with the most sunshine.
What month is the hottest?
In De Kalb, July registers the highest temperatures, averaging 86.4°F (30.2°C) at the peak and 68.2°F (20.1°C) at the lowest.
What are the least humid months?
The months with the lowest humidity are October and November, with an average relative humidity of 69%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
De Kalb, MO
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
De Kalb, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
De Kalb, MO
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
De Kalb, MO
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall
De Kalb, MO
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
1.77" - Average rainfall in April:
2.4" - Average rainfall in May:
3.58" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.6" - Average rainfall in September:
2.09" - Average rainfall in October:
1.85" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
De Kalb, MO
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
De Kalb, MO
- Average snowfall in January:
2.28" - Average snowfall in February:
2.56" - Average snowfall in March:
0.87" - Average snowfall in April:
0.12" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
De Kalb, MO
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0.6 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
De Kalb, MO
- Average daylight in January:
9h and 5min - 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
De Kalb, MO
- Average sunshine days in January:
22 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
16 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (12.6 days).
Average UV index
De Kalb, MO
The months with the highest UV index are May, 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
De Kalb, MO
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
De Kalb, MO
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).
De Kalb, Missouri, USA
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