Climate and monthly weather forecastBlackburn, MO
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Blackburn, Missouri, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 22.8°F (-5.1°C). January is the coldest month, exhibiting average temperatures of 36.7°F (2.6°C) at the peak and 22.8°F (-5.1°C) at the base. Weather in January »Weather in February
February, the last month of the winter in Blackburn, is another cold month, with temperature in the range of an average high of 41.5°F (5.3°C) and an average low of 26.6°F (-3°C). February's arrival brings an average high-temperature of a still icy 41.5°F (5.3°C), demonstrating subtle variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Blackburn, Missouri, with an average temperature ranging between min 37.8°F (3.2°C) and max 54.1°F (12.3°C). Blackburn's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 41.5°F (5.3°C) in February to a fresh 54.1°F (12.3°C). Weather in March »Weather in April
April is an enjoyable spring month in Blackburn, Missouri, with an average temperature fluctuating between 64.6°F (18.1°C) and 46.8°F (8.2°C). The commencement of April sees a shift in the average high-temperature, moving from a fresh 54.1°F (12.3°C) in March to an enjoyable 64.6°F (18.1°C). Weather in April »Weather in May
May, the last month of the spring in Blackburn, is a warm month, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 73.4°F (23°C). As Blackburn, Missouri, enters May, the average high-temperature marginally increases from the a refreshing 64.6°F (18.1°C) of April to a moderately hot 73.4°F (23°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Blackburn, Missouri, with an average temperature fluctuating between 65.8°F (18.8°C) and 83.7°F (28.7°C). As May gives way to June, the average high-temperature displays an increase, moving from 73.4°F (23°C) to a still warm 83.7°F (28.7°C). Weather in June »Weather in July
July is a tropical summer month in Blackburn, Missouri, with an average temperature varying between 86°F (30°C) and 68°F (20°C). The average temperatures reach their apex in July, averaging 86°F (30°C) at the high end and 68°F (20°C) at the low end. The average heat index in July is estimated at a fiery hot 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 Blackburn, Missouri, with an average temperature varying between 65.8°F (18.8°C) and 84.7°F (29.3°C). The arrival of August brings an average high-temperature of a moderately hot 84.7°F (29.3°C), nearly identical to July's 86°F (30°C). Weather in August »Weather in September
September, the first month of the autumn in Blackburn, is also a moderately hot month, with an average temperature fluctuating between 78.8°F (26°C) and 59.2°F (15.1°C). As August makes way for September, Blackburn's average high-temperature eases from a moderately hot 84.7°F (29.3°C) to a still warm 78.8°F (26°C). Weather in September »Weather in October
October, like September, in Blackburn, Missouri, is another comfortable autumn month, with an average temperature ranging between min 48.2°F (9°C) and max 65.3°F (18.5°C). October comes with a drop in the average high-temperature, falling from September's warm 78.8°F (26°C) to a comfortable 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in Blackburn, is another cool month, with an average temperature ranging between min 36.9°F (2.7°C) and max 52.5°F (11.4°C). With November's onset, the average high-temperature recedes from October's refreshing 65.3°F (18.5°C) to a fresh 52.5°F (11.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Blackburn, Missouri, with an average temperature varying between 27.9°F (-2.3°C) and 41.2°F (5.1°C). Blackburn's December weather comes with a decrease in average high-temperatures, moving from a cool 52.5°F (11.4°C) in November to an icy 41.2°F (5.1°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Blackburn, MO
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Blackburn, MO
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"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 (29.91"Hg).
Average wind speed
Blackburn, MO
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - 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 (6.4mph).
Average humidity
Blackburn, MO
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Blackburn, MO
- Average rainfall in January:
0.39" - Average rainfall in February:
0.51" - Average rainfall in March:
0.87" - Average rainfall in April:
1.3" - Average rainfall in May:
1.89" - Average rainfall in June:
1.3"
- Average rainfall in July:
1.54" - Average rainfall in August:
1.3" - Average rainfall in September:
1.02" - Average rainfall in October:
1.02" - Average rainfall in November:
0.43" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days
Blackburn, MO
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3.9 days).
Average snowfall
Blackburn, MO
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Blackburn, MO
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Blackburn, MO
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
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 30min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days
Blackburn, MO
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
18 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
17 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
21.8 days - Average sunshine days in November:
22.8 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (14.8 days).
Average UV index
Blackburn, MO
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
Blackburn, MO
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Blackburn, 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).





