Climate and monthly weather forecast
Roby, MO

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Weather in January

January, the same as December, is another cold winter month in Roby, Missouri, with an average temperature fluctuating between 39.9°F (4.4°C) and 25.2°F (-3.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 39.9°F (4.4°C) to a low of 25.2°F (-3.8°C). Weather in January »

Weather in February

February, the last month of the winter in Roby, is a chilly month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 44.2°F (6.8°C). Roby's average high-temperature in February sits at a frosty 44.2°F (6.8°C), showing little difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Roby, Missouri, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 55.6°F (13.1°C). March's onset is marked by a temperature increase, moving from a chilly 44.2°F (6.8°C) in February to a refreshing 55.6°F (13.1°C). Weather in March »

Weather in April

April is a comfortable spring month in Roby, Missouri, with an average temperature fluctuating between 47.3°F (8.5°C) and 66.2°F (19°C). The onset of April brings a temperature shift, with the average high-temperature moving from a refreshing 55.6°F (13.1°C) in March to a comfortable 66.2°F (19°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Roby, Missouri, with an average temperature varying between 75.9°F (24.4°C) and 55.9°F (13.3°C). The onset of May brings a rise in the average high-temperature, elevating from a refreshing 66.2°F (19°C) in April to a warm 75.9°F (24.4°C). Weather in May »

Weather in June

June, the first month of the summer in Roby, is a hot month, with an average temperature fluctuating between 64.9°F (18.3°C) and 86.5°F (30.3°C). With the onset of June, Roby's average high-temperature experiences a rise, moving from May's warm 75.9°F (24.4°C) to a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, the same as June, in Roby, Missouri, is another hot summer month, with an average temperature fluctuating between 67.8°F (19.9°C) and 89.2°F (31.8°C). Roby's July weather reaches an average high of 89.2°F (31.8°C) and an average low of 67.8°F (19.9°C), making it the warmest month. July's heat index is computed to be a scorching 105.8°F (41°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Roby, Missouri, with an average temperature fluctuating between 87.4°F (30.8°C) and 65.8°F (18.8°C). August welcomes an average high-temperature of a still hot 87.4°F (30.8°C), not much different from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Roby, is also a moderately hot month, with an average temperature fluctuating between 80.4°F (26.9°C) and 59.4°F (15.2°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a hot 87.4°F (30.8°C) in August to a warm 80.4°F (26.9°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Roby, Missouri, with an average temperature ranging between max 66.4°F (19.1°C) and min 47.7°F (8.7°C). Arrival of October comes with a reduction in the average high-temperature, falling from a moderately hot 80.4°F (26.9°C) in September to a refreshing 66.4°F (19.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Roby, Missouri, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37.6°F (3.1°C). Roby in November experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 66.4°F (19.1°C) in October to a fresh 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Roby, Missouri, with an average temperature fluctuating between 43.5°F (6.4°C) and 29.5°F (-1.4°C). The onset of December coincides with a reduction in the average high-temperature, falling from a cool 53.8°F (12.1°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January, known for its average high temperature of 39.9°F (4.4°C) and an average low temperature of 25.2°F (-3.8°C), is the coldest month in Roby.

What is the driest month?

January is the month with the least rainfall. Rain falls for 7 days and accumulates 1.73" (44mm) of precipitation.

How many days does it rain?

In Roby, during the entire year, the rain falls for 148.9 days and collects up to 32.4" (823mm) of precipitation.

When does it snow?

January through May, November and December are months with snowfall.

How many days does it snow?

In Roby, during the entire year, snow falls for 20.1 days and aggregates up to 9.96" (253mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 5.7 days and accumulates 3.43" (87mm) of snow.

What is the month with the least sunshine in Roby?

With an average of 4.9h of sunshine, February has the least sunshine of the year.

What are the most humid months?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 is the rainiest month?

May is the month with the most rainfall in Roby. Rain falls for 17.6 days and accumulates 4.29" (109mm) of precipitation.

What are the months with the highest UV index?

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

When it does not snow?

June through October are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What month has the most sunshine in Roby?

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

What part of the year is the hottest in Roby?

The temperatures reach their highest averages in July, with highs of 89.2°F (31.8°C) and lows of 67.8°F (19.9°C).

What are the least humid months?

The months with the lowest humidity are August through October, with an average relative humidity of 73%.

What is the month with the shortest days in Roby?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Roby, MO

Average temperature - Roby, MO

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.9°F).

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure
Roby, MO

Average pressure - Roby, MO

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Roby, MO

Average wind speed - Roby, MO

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity
Roby, MO

Average humidity - Roby, MO

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).

Average rainfall
Roby, MO

Average rainfall - Roby, MO

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days
Roby, MO

Average rainfall days - Roby, MO

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7 days).

Average snowfall
Roby, MO

Average snowfall - Roby, MO

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Roby, MO

Average snowfall days - Roby, MO

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Roby, MO

Average daylight / Average sunshine - Roby, MO

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Roby, MO

Average sunshine days - Roby, MO

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is July (11.6 days).

Average UV index
Roby, MO

Average UV index - Roby, MO

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Roby, MO

Average visibility - Roby, MO

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Roby, Missouri, USA

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