Climate and monthly weather forecastRoby, TX
Climate and monthly weather forecast
Weather in January
January, like December, is a moderate winter month in Roby, Texas, with an average temperature fluctuating between 37.2°F (2.9°C) and 56.3°F (13.5°C). Roby, Texas, registers an average high-temperature of a still refreshing 56.3°F (13.5°C) with the arrival of January, showing minor deviation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Roby, is another refreshing month, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 40.3°F (4.6°C). February's onset records an average high-temperature of a still moderate 60.3°F (15.7°C), a near match to January's 56.3°F (13.5°C). Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Roby, Texas, with an average temperature varying between 49.1°F (9.5°C) and 71.4°F (21.9°C). March's arrival coincides with a temperature rise, moving from February's refreshing 60.3°F (15.7°C) to an agreeable 71.4°F (21.9°C). Weather in March »Weather in April
April is a moderately hot spring month in Roby, Texas, with an average temperature ranging between max 80.1°F (26.7°C) and min 55.9°F (13.3°C). As April arrives, Roby's weather shows a minor increase in high-temperatures, edging from March's pleasant 71.4°F (21.9°C) to a warm 80.1°F (26.7°C). Weather in April »Weather in May
May, the last month of the spring in Roby, is a tropical month, with an average temperature varying between 63.9°F (17.7°C) and 86.7°F (30.4°C). Roby's transition into May brings a slight rise in the average high-temperature, moving from a moderately hot 80.1°F (26.7°C) in April to a tropical 86.7°F (30.4°C). Weather in May »Weather in June
June, the first month of the summer in Roby, is a sweltering month, with an average temperature varying between 73°F (22.8°C) and 95.4°F (35.2°C). With the start of June, the average high-temperature marginally shifts from May's tropical 86.7°F (30.4°C) to a very hot 95.4°F (35.2°C). Weather in June »Weather in July
July, the same as June, is another sweltering summer month in Roby, Texas, with an average temperature fluctuating between 96.3°F (35.7°C) and 75.7°F (24.3°C). July experiences an average high-temperature of a still very hot 96.3°F (35.7°C), barely different from June's 95.4°F (35.2°C). Weather in July »Weather in August
August, the last month of the summer in Roby, is also a sweltering month, with temperature in the range of an average high of 96.4°F (35.8°C) and an average low of 75.9°F (24.4°C). Roby's warmest temperatures are experienced in August, with average high temperatures of 96.4°F (35.8°C) and lows of 75.9°F (24.4°C). August's average heat index is estimated at a scorching 104°F (40°C). Weather in August »Weather in September
The first month of the autumn, September, is still a hot month in Roby, Texas, with an average temperature fluctuating between 68.7°F (20.4°C) and 87.3°F (30.7°C). With the beginning of September, the average high-temperature shows a decrease, transitioning from a fiery hot 96.4°F (35.8°C) in August to a hot 87.3°F (30.7°C). Weather in September »Weather in October
October, like September, in Roby, Texas, is another warm autumn month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 77°F (25°C). October brings a decrease in the average high-temperature, falling from September's hot 87.3°F (30.7°C) to a warm 77°F (25°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Roby, Texas, with an average temperature fluctuating between 65.8°F (18.8°C) and 46.4°F (8°C). The average high-temperature decreases in November, shifting from a warm 77°F (25°C) in October to a comfortable 65.8°F (18.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Roby, Texas, with an average temperature ranging between min 38.3°F (3.5°C) and max 55.9°F (13.3°C). Roby notes the coldest temperatures in December, with a high average of 55.9°F (13.3°C) and a low of 38.3°F (3.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Roby, TX
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is December (55.9°F).
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure
Roby, TX
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.87"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Roby, TX
- Average wind speed in January:
10.9mph - Average wind speed in February:
11.7mph - Average wind speed in March:
12.9mph - Average wind speed in April:
14mph - Average wind speed in May:
13.2mph - Average wind speed in June:
12.7mph
- Average wind speed in July:
10.9mph - Average wind speed in August:
10.4mph - Average wind speed in September:
10.2mph - Average wind speed in October:
11.6mph - Average wind speed in November:
11.9mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is April (14mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).
Average humidity
Roby, TX
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall
Roby, TX
- Average rainfall in January:
0.51" - Average rainfall in February:
0.51" - Average rainfall in March:
0.98" - Average rainfall in April:
1.38" - Average rainfall in May:
2.17" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.22" - Average rainfall in August:
0.83" - Average rainfall in September:
1.85" - Average rainfall in October:
1.5" - Average rainfall in November:
0.91" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days
Roby, TX
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
11.2 days - Average rainfall days in June:
8 days
- Average rainfall days in July:
9.1 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
4.1 days
The months with the highest number of rainy days are May and September (11.2 days).
The month with the least rainy days is January (3.1 days).
Average snowfall
Roby, TX
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Roby, TX
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.4 days - Average snowfall days in April:
0.1 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is December (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Roby, TX
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 48min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 18min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 36min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Roby, TX
- Average sunshine days in January:
26.8 days - Average sunshine days in February:
22.8 days - Average sunshine days in March:
24 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
20.2 days
- Average sunshine days in July:
19.5 days - Average sunshine days in August:
18.9 days - Average sunshine days in September:
17.6 days - Average sunshine days in October:
23.1 days - Average sunshine days in November:
25.4 days - Average sunshine days in December:
24.7 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is September (17.6 days).
Average UV index
Roby, TX
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Roby, TX
The months with the most cloud cover are March, September and December (Cloud cover 25).
The months with the least cloud cover are June and August (Cloud cover 16).
Average visibility
Roby, TX
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).





