Climate and monthly weather forecastCairo, MO
Climate and monthly weather forecast
Weather in January
January, like December, in Cairo, Missouri, is a wintry winter month, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 35.2°F (1.8°C). Cairo's January weather reaches an average high of 35.2°F (1.8°C) and an average low of 21.7°F (-5.7°C), making it the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Cairo, Missouri, with an average temperature varying between 25.2°F (-3.8°C) and 39.4°F (4.1°C). Cairo's average high-temperature in February sits at a still wintry 39.4°F (4.1°C), showing little difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Cairo, Missouri, with an average temperature varying between 36.5°F (2.5°C) and 52.5°F (11.4°C). With the onset of March, Cairo's average high-temperature sees a rise, moving from February's cold 39.4°F (4.1°C) to a fresh 52.5°F (11.4°C). Weather in March »Weather in April
April in Cairo, Missouri, is a comfortable spring month, with an average temperature varying between 64°F (17.8°C) and 45.9°F (7.7°C). April comes with an increase, with the average high-temperature moving from a fresh 52.5°F (11.4°C) in March to a refreshing 64°F (17.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Cairo, Missouri, with an average temperature fluctuating between 72.7°F (22.6°C) and 55.2°F (12.9°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 64°F (17.8°C) in April to an agreeable 72.7°F (22.6°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Cairo, Missouri, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82.6°F (28.1°C). June signals a shift in the average high-temperature, moving from May's pleasant 72.7°F (22.6°C) to a moderately hot 82.6°F (28.1°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Cairo, Missouri, with an average temperature fluctuating between 67.5°F (19.7°C) and 84.9°F (29.4°C). In Cairo, the highest average temperatures are observed in July, with a high of 84.9°F (29.4°C) and a low of 67.5°F (19.7°C). During July, the heat index is estimated at a torrid 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Cairo, is another warm month, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.5°F (18.6°C). Cairo signifies an average high-temperature of a still warm 83.8°F (28.8°C) in August, closely mirroring the 84.9°F (29.4°C) of July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Cairo, Missouri, with an average temperature ranging between min 59°F (15°C) and max 78.3°F (25.7°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 83.8°F (28.8°C) in August to a still moderately hot 78.3°F (25.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Cairo, Missouri, with an average temperature varying between 47.1°F (8.4°C) and 64.8°F (18.2°C). The onset of October comes with a shift in the average high-temperature, falling from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 64.8°F (18.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Cairo, Missouri, with an average temperature varying between 36.1°F (2.3°C) and 51.8°F (11°C). With November's arrival, Cairo's weather changes as the average high-temperature falls from an enjoyable 64.8°F (18.2°C) in October to a fresh 51.8°F (11°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Cairo, Missouri, with an average temperature varying between 39.9°F (4.4°C) and 27.3°F (-2.6°C). The onset of December coincides with a reduction in the average high-temperature, falling from a fresh 51.8°F (11°C) in November to an icy 39.9°F (4.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Cairo, MO
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Cairo, MO
- Average pressure in January:
30.16"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:
29.97"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 (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Cairo, MO
- Average wind speed in January:
10mph - Average wind speed in February:
10mph - Average wind speed in March:
10mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- 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:
9.6mph - Average wind speed in December:
9.6mph
The windiest months (with the highest average wind speed) are January, February and March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity
Cairo, MO
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Cairo, MO
- Average rainfall in January:
1.18" - Average rainfall in February:
1.42" - Average rainfall in March:
2.36" - Average rainfall in April:
2.8" - Average rainfall in May:
3.62" - Average rainfall in June:
3.19"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days
Cairo, MO
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
6 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall
Cairo, MO
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Cairo, MO
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.8 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:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.3 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Cairo, 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:
4h and 36min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
5h and 0min
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 36min).
Average sunshine days
Cairo, MO
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Cairo, 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
Cairo, MO
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Cairo, 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).





