Saint Peters
Missouri, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Saint Peters, MO

January, like December, in Saint Peters, Missouri, is another cold winter month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 37.9°F (3.3°C). With an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 19°F (-7.2°C), January is the coldest month. Weather in January »
The last month of the winter, February, is a chilly month in Saint Peters, Missouri, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 44.1°F (6.7°C). In February, the average high-temperature slightly increases, from a cold 37.9°F (3.3°C) in January, to a frosty 44.1°F (6.7°C). Weather in February »

March, the first month of the spring, in Saint Peters, is a fresh month, with average temperature ranging between max 55°F (12.8°C) and min 32°F (0°C). In March, the average high-temperature rises, from a chilly 44.1°F (6.7°C) in February, to a cool 55°F (12.8°C). Weather in March »

April is an enjoyable spring month in Saint Peters, Missouri, with average temperature varying between 42.1°F (5.6°C) and 66.9°F (19.4°C). In Saint Peters, the average high-temperature in April increases, from a cool 55°F (12.8°C) in March, to a comfortable 66.9°F (19.4°C). Weather in April »

May, the last month of the spring, in Saint Peters, is a warm month, with average temperature fluctuating between 52°F (11.1°C) and 75.9°F (24.4°C). In May, the average high-temperature increases, from an enjoyable 66.9°F (19.4°C) in April, to a moderately hot 75.9°F (24.4°C). Weather in May »

June, the first month of the summer, in Saint Peters, is a tropical month, with average temperature varying between 62.1°F (16.7°C) and 86°F (30°C). In June, the average high-temperature increases, from a warm 75.9°F (24.4°C) in May, to a hot 86°F (30°C). Weather in June »

July, like June, is another tropical summer month in Saint Peters, Missouri, with average temperature varying between 90°F (32.2°C) and 68°F (20°C). With an average high-temperature of 90°F (32.2°C) and an average low-temperature of 68°F (20°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Saint Peters, is another hot month, with average temperature ranging between min 66°F (18.9°C) and max 89.1°F (31.7°C). In August, the average high-temperature is practically the same as in July - a still hot 89.1°F (31.7°C). Weather in August »

September, the first month of the autumn, in Saint Peters, is still a warm month, with average temperature ranging between min 57°F (13.9°C) and max 81°F (27.2°C). In September, the average high-temperature slightly decreases, from a hot 89.1°F (31.7°C) in August, to a moderately hot 81°F (27.2°C). Weather in September »

October, like September, is an agreeable autumn month in Saint Peters, Missouri, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 70°F (21.1°C). In Saint Peters, the average high-temperature in October drops, from a warm 81°F (27.2°C) in September, to a pleasant 70°F (21.1°C). Weather in October »

The last month of the autumn, November, is another cool month in Saint Peters, Missouri, with average temperature fluctuating between 36°F (2.2°C) and 55°F (12.8°C). In November, the average high-temperature significantly decreases, from a pleasant 70°F (21.1°C) in October, to a fresh 55°F (12.8°C). Weather in November »

December, the first month of the winter, in Saint Peters, is still a cold month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 25°F (-3.9°C). In Saint Peters, the average high-temperature in December decreases, from a fresh 55°F (12.8°C) in November, to a cold 42.1°F (5.6°C). Weather in December »

What is the coldest month in Saint Peters?

The coldest month is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 19°F (-7.2°C).

How much does it rain in Saint Peters?

During the entire year, Saint Peters aggregates up to 38.3" (972.3mm) of precipitation.

What is the driest month in Saint Peters?

The month with the least rainfall in Saint Peters, Missouri, is January when 1.7" (43.7mm) of precipitation is typically aggregated.

When are the longest days in Saint Peters?

June has the longest days of the year, with an average of 14.9h of daylight.

What is the warmest month in Saint Peters?

With an average high-temperature of 90°F (32.2°C) and an average low-temperature of 68°F (20°C), July is the warmest month in Saint Peters.

What is the wettest month in Saint Peters?

The month with the most rainfall is July when 4.2" (106.2mm) of precipitation is typically aggregated.

What is the month with the shortest days in Saint Peters?

The month with the shortest days in Saint Peters, Missouri, is December, with an average of 9.5h of daylight.
Average rainfall - Saint Peters, MO
Average daylight - Saint Peters, MO

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).