Climate and monthly weather forecastDearborn, MO
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Dearborn, Missouri, with an average temperature fluctuating between 21.9°F (-5.6°C) and 36.1°F (2.3°C). January is the coldest month, with the temperature often reaching an average high of 36.1°F (2.3°C) and an average low of 21.9°F (-5.6°C). Weather in January »Weather in February
February, the last month of the winter in Dearborn, is also a wintry month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 40.1°F (4.5°C). Welcoming February, Dearborn notes an average high-temperature of a still wintry 40.1°F (4.5°C), nearly consistent with January's 36.1°F (2.3°C). Weather in February »Weather in March
March, the first month of the spring in Dearborn, is a cool month, with an average temperature fluctuating between 36.5°F (2.5°C) and 53.6°F (12°C). Dearborn's March weather brings a rise in high-temperatures, moving from a cold 40.1°F (4.5°C) in February to a cool 53.6°F (12°C). Weather in March »Weather in April
April in Dearborn, Missouri, is a refreshing spring month, with an average temperature ranging between max 64°F (17.8°C) and min 45.3°F (7.4°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's cool 53.6°F (12°C) to a comfortable 64°F (17.8°C). Weather in April »Weather in May
May, the last month of the spring in Dearborn, is a pleasant month, with an average temperature ranging between min 55.6°F (13.1°C) and max 72.9°F (22.7°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's refreshing 64°F (17.8°C) to an agreeable 72.9°F (22.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Dearborn, Missouri, with an average temperature varying between 65.8°F (18.8°C) and 83.5°F (28.6°C). With the onset of June, Dearborn's average high-temperature sees a rise, moving from May's agreeable 72.9°F (22.7°C) to a moderately hot 83.5°F (28.6°C). Weather in June »Weather in July
July in Dearborn, Missouri, is a tropical summer month, with an average temperature fluctuating between 86.4°F (30.2°C) and 68.4°F (20.2°C). The temperatures reach their highest averages in July, with highs of 86.4°F (30.2°C) and lows of 68.4°F (20.2°C). The average heat index in July is estimated at a torrid 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Dearborn, Missouri, with an average temperature fluctuating between 84.6°F (29.2°C) and 65.3°F (18.5°C). August observes an average high-temperature of a warm 84.6°F (29.2°C), marking an insignificant difference 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 Dearborn, Missouri, with an average temperature ranging between max 77.9°F (25.5°C) and min 59.2°F (15.1°C). September heralds a minor drop in average high-temperature, sliding from August's 84.6°F (29.2°C) to a still warm 77.9°F (25.5°C). Weather in September »Weather in October
October, like September, in Dearborn, Missouri, is another comfortable autumn month, with an average temperature ranging between max 64.9°F (18.3°C) and min 47.5°F (8.6°C). October comes with a decrease in the average high-temperature, falling from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 64.9°F (18.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Dearborn, Missouri, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 36.1°F (2.3°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a refreshing 64.9°F (18.3°C) in October to a fresh 52.2°F (11.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Dearborn, Missouri, with an average temperature fluctuating between 26.6°F (-3°C) and 40.1°F (4.5°C). December brings a decrease in the average high-temperature, falling from November's cool 52.2°F (11.2°C) to a cold 40.1°F (4.5°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Dearborn, 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 (36.1°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Dearborn, MO
- Average pressure in January:
30.17"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:
29.95"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:
30.1"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Dearborn, MO
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Dearborn, MO
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Dearborn, MO
- Average rainfall in January:
0.91" - Average rainfall in February:
0.87" - Average rainfall in March:
1.97" - Average rainfall in April:
2.64" - Average rainfall in May:
3.94" - Average rainfall in June:
3.15"
- Average rainfall in July:
3.27" - Average rainfall in August:
2.68" - Average rainfall in September:
2.52" - Average rainfall in October:
2.24" - Average rainfall in November:
1.14" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days
Dearborn, MO
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Dearborn, MO
- Average snowfall in January:
2.09" - Average snowfall in February:
2.32" - Average snowfall in March:
0.75" - Average snowfall in April:
0.08" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Dearborn, MO
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
2.3 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:
0.5 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Dearborn, MO
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 12min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Dearborn, MO
- Average sunshine days in January:
22 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
21.7 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Dearborn, 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
Dearborn, MO
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility
Dearborn, 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).








