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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 Callao, Missouri, is another cold winter month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 20.1°F (-6.6°C). January is Callao's coldest month, registering average high temperatures of 33.3°F (0.7°C) and lows of 20.1°F (-6.6°C). Weather in January »
Weather in February
February, the last month of the winter in Callao, is also a wintry month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 23.5°F (-4.7°C). Entering February, the average high-temperature is recorded at a still wintry 37.9°F (3.3°C), exhibiting a minimal shift from January's 33.3°F (0.7°C). Weather in February »
Weather in March
March, the first month of the spring in Callao, is a fresh month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 51.1°F (10.6°C). As March arrives, a rise in the average high-temperature is observed, moving from an icy 37.9°F (3.3°C) in February to a cool 51.1°F (10.6°C). Weather in March »
Weather in April
April in Callao, Missouri, is a refreshing spring month, with an average temperature varying between 45.1°F (7.3°C) and 62.4°F (16.9°C). Callao's April weather brings a rise in high-temperatures, moving from a fresh 51.1°F (10.6°C) in March to a refreshing 62.4°F (16.9°C). Weather in April »
Weather in May
May, the last month of the spring in Callao, is an agreeable month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 71.4°F (21.9°C). In May, the meteorological conditions change with the average high-temperature moving from a refreshing 62.4°F (16.9°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Callao, Missouri, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 81.5°F (27.5°C). June's arrival signals a temperature shift, moving from a pleasant 71.4°F (21.9°C) in May to a warm 81.5°F (27.5°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Callao, Missouri, with an average temperature ranging between min 66.7°F (19.3°C) and max 84°F (28.9°C). With average high temperatures of 84°F (28.9°C) and lows of 66.7°F (19.3°C), July is the warmest month. The heat index value for July is evaluated at a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Callao, is also a moderately hot month, with an average temperature fluctuating between 82.9°F (28.3°C) and 64.4°F (18°C). The commencement of August brings an average high-temperature of a still warm 82.9°F (28.3°C), marking an inconsequential divergence from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Callao, Missouri, with an average temperature varying between 57.7°F (14.3°C) and 77.2°F (25.1°C). Callao's weather subtly changes with the onset of September, barely falling from a moderately hot 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Callao, Missouri, with an average temperature varying between 46.2°F (7.9°C) and 63.5°F (17.5°C). In Callao, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 77.2°F (25.1°C) to an enjoyable 63.5°F (17.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Callao, Missouri, with an average temperature ranging between min 35.2°F (1.8°C) and max 50.4°F (10.2°C). November brings a decrease in the average high-temperature, falling from October's refreshing 63.5°F (17.5°C) to a fresh 50.4°F (10.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Callao, Missouri, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 26.1°F (-3.3°C). The onset of December is marked by a decrease in temperature, transitioning from a cool 50.4°F (10.2°C) in November to an icy 38.5°F (3.6°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Callao?
January stands out as Callao's coldest month, with temperatures ranging between an average high of 33.3°F (0.7°C) and a low of 20.1°F (-6.6°C).
What is the driest month in Callao?
The month with the least rainfall in Callao, Missouri, is January, when the rain falls for 5.3 days and typically collects 1.1" (28mm) of precipitation.
How much does it rain in Callao?
In Callao, during the entire year, the rain falls for 134.7 days and collects up to 26.38" (670mm) of precipitation.
When does it snow in Callao?
Months with snowfall are January through April, October through December.
What is the snowiest month in Callao?
The month with the most snowfall is January, when snow falls for 6.7 days and typically aggregates up to 3.86" (98mm) of snow.
How many days does it snow in Callao?
Throughout the year, there are 21.8 snowfall days, and 11.14" (283mm) of snow is accumulated.
What is the month with the least sunshine in Callao?
With an average of 4.4h of sunshine, January has the least sunshine of the year in Callao.
What is the month with the lowest UV index in Callao?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Callao?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Callao, 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 are the most humid months in Callao?
May and June, with an average relative humidity of 81%, are most humid months.
What is the wettest month in Callao?
May is the month with the most rainfall in Callao. Rain falls for 17.6 days and accumulates 3.23" (82mm) of precipitation.
When it does not snow in Callao?
May through September are months without snowfall in Callao, Missouri.
When are the longest days in Callao?
The month with the longest days is June, with an average of 14h and 54min of daylight.
When is the highest UV index in Callao?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Callao?
Callao experiences its highest temperatures in July, with an average peak of 84°F (28.9°C) and a low of 66.7°F (19.3°C).
What month has the most sunshine in Callao?
With an average of 10.4h of sunshine, July has the most sunshine of the year in Callao.
What is the least humid month in Callao?
The least humid month is October, with an average relative humidity of 72%.
What is the month with the shortest days in Callao?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Callao, MO
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Callao, 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:
29.92"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Callao, MO
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Callao, MO
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Callao, MO
- Average rainfall in January:
1.1" - Average rainfall in February:
1.34" - Average rainfall in March:
2.28" - Average rainfall in April:
2.72" - Average rainfall in May:
3.23" - Average rainfall in June:
3.19"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days
Callao, MO
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Callao, MO
The month with the highest snowfall is January (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Callao, MO
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.9 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 days - Average snowfall days in October:
0.4 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Callao, MO
- 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:
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:
4h and 2min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - 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:
10h and 2min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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 24min).
Average sunshine days
Callao, MO
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
14.4 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
Callao, 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
Callao, MO
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Callao, 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).
Callao, Missouri, USA
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