Climate and monthly weather forecastRoby, MO
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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.
January is the month with the least rainfall. Rain falls for 7 days and accumulates 1.73" (44mm) of precipitation.
In Roby, during the entire year, the rain falls for 148.9 days and collects up to 32.4" (823mm) of precipitation.
January through May, November and December are months with snowfall.
In Roby, during the entire year, snow falls for 20.1 days and aggregates up to 9.96" (253mm) of snow.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 5.7 days and accumulates 3.43" (87mm) of snow.
With an average of 4.9h of sunshine, February has the least sunshine of the year.
March and May, with an average relative humidity of 77%, are most humid months.
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.
May is the month with the most rainfall in Roby. Rain falls for 17.6 days and accumulates 4.29" (109mm) of precipitation.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June through October are months without snowfall.
The month with the longest days is June, with an average of 14h and 42min of daylight.
The month with the most sunshine is June, with an average of 10.6h of sunshine.
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).
The months with the lowest humidity are August through October, with an average relative humidity of 73%.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
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 in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.12"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 (29.93"Hg).
Average wind speed
Roby, MO
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.2mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.3mph
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
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 in January:
1.73" - Average rainfall in February:
1.85" - Average rainfall in March:
2.8" - Average rainfall in April:
3.9" - Average rainfall in May:
4.29" - Average rainfall in June:
3.35"
- Average rainfall in July:
2.95" - Average rainfall in August:
2.68" - Average rainfall in September:
2.05" - Average rainfall in October:
2.91" - Average rainfall in November:
1.89" - Average rainfall in December:
2.01"
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 in January:
7 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.2 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.5 days
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 in January:
2.72" - Average snowfall in February:
3.43" - Average snowfall in March:
1.22" - Average snowfall in April:
0.16" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
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 in January:
5.6 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
3.9 days
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 in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
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).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 54min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 12min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 12min
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 in January:
19.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
18 days - Average sunshine days in December:
19.7 days
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
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 cloud cover
Roby, MO
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
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).
