Rolla
Missouri, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rolla, MO

January, the same as December, is another cold winter month in Rolla, Missouri, with average temperature varying between 24.4°F (-4.2°C) and 39.2°F (4°C). With an average high-temperature of 39.2°F (4°C) and an average low-temperature of 24.4°F (-4.2°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Rolla, is a chilly month, with average temperature ranging between min 28°F (-2.2°C) and max 43.5°F (6.4°C). In Rolla, the average high-temperature is practically the same as in January - a chilly 43.5°F (6.4°C). Weather in February »

The first month of the spring, March, is a fresh month in Rolla, Missouri, with average temperature ranging between max 55°F (12.8°C) and min 37.9°F (3.3°C). In Rolla, the average high-temperature increases, from a frosty 43.5°F (6.4°C) in February, to a cool 55°F (12.8°C). Weather in March »

April in Rolla, Missouri, is an enjoyable spring month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 66.2°F (19°C). In April, the average high-temperature rises, from a cool 55°F (12.8°C) in March, to an enjoyable 66.2°F (19°C). Weather in April »

May, the last month of the spring, in Rolla, is a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 55.9°F (13.3°C). In May, the average high-temperature rises, from a comfortable 66.2°F (19°C) in April, to a warm 76.3°F (24.6°C). Weather in May »

June, the first month of the summer, in Rolla, is a tropical month, with average temperature varying between 65.3°F (18.5°C) and 86.5°F (30.3°C). In Rolla, Missouri, the average high-temperature in June rises, from a moderately hot 76.3°F (24.6°C) in May, to a hot 86.5°F (30.3°C). Weather in June »

July, the same as June, in Rolla, Missouri, is another hot summer month, with average temperature fluctuating between 67.8°F (19.9°C) and 89.1°F (31.7°C). The warmest month is July, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 67.8°F (19.9°C). The average heat index in July is calculated to a blistering 105.8°F (41°C). Weather in July »

August, the last month of the summer, in Rolla, is another tropical month, with average temperature varying between 87.3°F (30.7°C) and 65.8°F (18.8°C). In Rolla, the average high-temperature is relatively the same as in July - a still tropical 87.3°F (30.7°C). Weather in August »

September, the first month of the autumn, in Rolla, is still a warm month, with average temperature varying between 80.4°F (26.9°C) and 59°F (15°C). In Rolla, the average high-temperature marginally drops, from a hot 87.3°F (30.7°C) in August, to a warm 80.4°F (26.9°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Rolla, Missouri, with average temperature ranging between min 48°F (8.9°C) and max 66°F (18.9°C). In October, the average high-temperature declines considerably, from a moderately hot 80.4°F (26.9°C) in September, to an enjoyable 66°F (18.9°C). Weather in October »

November, the last month of the autumn, in Rolla, is another cool month, with average temperature ranging between max 53.6°F (12°C) and min 37.2°F (2.9°C). In Rolla, Missouri, the average high-temperature drops, from an enjoyable 66°F (18.9°C) in October, to a fresh 53.6°F (12°C). Weather in November »

December, the first month of the winter, in Rolla, is also a frosty month, with average temperature ranging between min 29.3°F (-1.5°C) and max 43.2°F (6.2°C). In December, the average high-temperature drops, from a fresh 53.6°F (12°C) in November, to a frosty 43.2°F (6.2°C). Weather in December »

What is the coldest month in Rolla?

January is the coldest month in Rolla, with an average high-temperature of 39.2°F (4°C) and an average low-temperature of 24.4°F (-4.2°C).

How many days does it rain in Rolla?

In Rolla, Missouri, during the entire year, the rain falls for 147.2 days and collects up to 31.02" (788mm) of precipitation.

When does it snow in Rolla?

January through April, October through December are months with snowfall.

How many days does it snow in Rolla?

Throughout the year, there are 24.7 snowfall days, and 11.1" (282mm) of snow is accumulated.

What is the month with the lowest UV index in Rolla?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rolla, Missouri.

What is the snowiest month in Rolla?

February is the month with the most snowfall in Rolla. Snow falls for 6.8 days and accumulates 3.46" (88mm) of snow.

What is the month with the least sunshine in Rolla?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Rolla.

What is the most humid month in Rolla?

March and May, with an average relative humidity of 77%, are most humid months in Rolla, Missouri.

What is the wettest month in Rolla?

The month with the most rainfall in Rolla is May when the rain falls for 17.8 days and typically aggregates up to 3.98" (101mm) of precipitation.

When it does not snow in Rolla?

In Rolla snow does not fall in May through September.

When is the highest UV index in Rolla?

Months with the highest UV index in Rolla are May through August, with an average maximum UV index of 6.

When are the longest days in Rolla?

With an average of 14.8h of daylight, June has the longest days of the year in Rolla, Missouri.

What month has the most sunshine in Rolla?

The month with the most sunshine in Rolla, Missouri, is June, with an average of 10.6h of sunshine.

What is the warmest month in Rolla?

July is the warmest month in Rolla, Missouri, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 67.8°F (19.9°C).

What is the least humid month in Rolla?

October is the least humid month in Rolla, with an average relative humidity of 72%.

What is the driest month in Rolla?

The month with the least rainfall is November when the rain falls for 9.3 days and typically collects 1.65" (42mm) of precipitation.

What is the month with the shortest days in Rolla?

The month with the shortest days is December, with an average of 9.6h of daylight.
Average rainfall - Rolla, MO

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the lowest rainfall) is November (1.65").

Average rainfall days - Rolla, MO

The month with the highest number of rainy days is May (17.8 days).
The month with the lowest number of rainy days is December (7 days).

Average snowfall - Rolla, MO
Average snowfall days - Rolla, MO

The month with the highest number of snowfall days is January (7.4 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Rolla, MO

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

The month with most sunshine is June (Average sunshine: 10.6h).
The month with least sunshine is February (Average sunshine: 4.7h).

Average UV index - Rolla, MO