Climate and monthly weather forecastHartley, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, in Hartley, Texas, is a frosty winter month, with an average temperature ranging between max 48.7°F (9.3°C) and min 29.3°F (-1.5°C). January denotes a minimal variation in the average high-temperature to a still frosty 48.7°F (9.3°C) from December's 47.7°F (8.7°C). Weather in January »Weather in February
February, the last month of the winter in Hartley, is a cool month, with an average temperature varying between 31.1°F (-0.5°C) and 50.9°F (10.5°C). The beginning of February records an average high-temperature of a fresh 50.9°F (10.5°C), almost echoing the conditions of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Hartley, Texas, with an average temperature fluctuating between 39.9°F (4.4°C) and 63°F (17.2°C). In Hartley, the onset of March comes with an increased average high-temperature, moving from February's fresh 50.9°F (10.5°C) to an enjoyable 63°F (17.2°C). Weather in March »Weather in April
April is an agreeable spring month in Hartley, Texas, with an average temperature ranging between min 45.5°F (7.5°C) and max 69.8°F (21°C). A slight uplift of average high-temperatures is noted in April, with temperatures adjusting from a refreshing 63°F (17.2°C) in March to an agreeable 69.8°F (21°C). Weather in April »Weather in May
May, the last month of the spring in Hartley, is a moderately hot month, with an average temperature fluctuating between 54.1°F (12.3°C) and 78.6°F (25.9°C). Observing a minor shift, the average high-temperature during May adjusts from April's agreeable 69.8°F (21°C) to a warm 78.6°F (25.9°C). Weather in May »Weather in June
June, the first month of the summer in Hartley, is a hot month, with an average temperature varying between 66.6°F (19.2°C) and 90.3°F (32.4°C). Hartley experiences a temperature shift with the start of June, with average high-temperatures moving from a warm 78.6°F (25.9°C) in May to a hot 90.3°F (32.4°C). Weather in June »Weather in July
July, the same as June, in Hartley, Texas, is a hot summer month, with an average temperature fluctuating between 70°F (21.1°C) and 91.8°F (33.2°C). July, with its average high-temperature of 91.8°F (33.2°C) and an average low-temperature of 70°F (21.1°C), holds the record as the warmest month. July's mean heat index is calculated to be a fiery hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Hartley, Texas, with temperature in the range of an average low of 68°F (20°C) and an average high of 90.1°F (32.3°C). The transition into August is marked with an average high-temperature of a still hot 90.1°F (32.3°C), showing an insignificant shift from July's 91.8°F (33.2°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Hartley, Texas, with an average temperature fluctuating between 82.4°F (28°C) and 61.2°F (16.2°C). Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 90.1°F (32.3°C) to a moderately hot 82.4°F (28°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Hartley, Texas, with an average temperature varying between 68.9°F (20.5°C) and 47.8°F (8.8°C). A subtle decrease in the average high-temperature marks October, falling from September's moderately hot 82.4°F (28°C) to an agreeable 68.9°F (20.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderate month in Hartley, Texas, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 37.4°F (3°C). The onset of November brings a small change in high-temperatures, falling from a pleasant 68.9°F (20.5°C) in October to a mild 57.9°F (14.4°C). Weather in November »Weather in December
December, the first month of the winter in Hartley, is also a frosty month, with an average temperature ranging between min 28.8°F (-1.8°C) and max 47.7°F (8.7°C). Hartley records the coldest temperatures in December, averaging a high of 47.7°F (8.7°C) and a low of 28.8°F (-1.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hartley, TX
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (47.7°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is December (28.8°F).
Average pressure
Hartley, TX
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
29.95"Hg - Average pressure in April:
29.85"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.82"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed
Hartley, TX
- Average wind speed in January:
10.6mph - Average wind speed in February:
11.6mph - Average wind speed in March:
12.6mph - Average wind speed in April:
13.4mph - Average wind speed in May:
12.6mph - Average wind speed in June:
12.9mph
- Average wind speed in July:
11.3mph - Average wind speed in August:
10.4mph - Average wind speed in September:
11.4mph - Average wind speed in October:
11.7mph - Average wind speed in November:
11.9mph - Average wind speed in December:
11mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity
Hartley, TX
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is April (40%).
Average rainfall
Hartley, TX
- Average rainfall in January:
0.39" - Average rainfall in February:
0.35" - Average rainfall in March:
0.51" - Average rainfall in April:
0.91" - Average rainfall in May:
1.14" - Average rainfall in June:
1.54"
- Average rainfall in July:
2.17" - Average rainfall in August:
1.89" - Average rainfall in September:
1.06" - Average rainfall in October:
1.18" - Average rainfall in November:
0.35" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is July (2.17").
The driest months (with the least rainfall) are February and November (0.35").
Average rainfall days
Hartley, TX
- Average rainfall days in January:
2.2 days - Average rainfall days in February:
2.1 days - Average rainfall days in March:
4.9 days - Average rainfall days in April:
7.7 days - Average rainfall days in May:
7.8 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
6.5 days - Average rainfall days in November:
2.2 days - Average rainfall days in December:
3.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (2.1 days).
Average snowfall
Hartley, TX
- Average snowfall in January:
1.61" - Average snowfall in February:
1.42" - Average snowfall in March:
0.28" - Average snowfall in April:
0.2" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Hartley, TX
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.3 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:
0.6 days - Average snowfall days in November:
2 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Hartley, TX
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
7h and 48min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 48min - Average sunshine in April:
9h and 6min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 24min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days
Hartley, TX
- Average sunshine days in January:
25.7 days - Average sunshine days in February:
22.8 days - Average sunshine days in March:
24 days - Average sunshine days in April:
20.7 days - Average sunshine days in May:
20.8 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
25 days - Average sunshine days in December:
24.8 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (12.7 days).
Average UV index
Hartley, TX
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Hartley, TX
The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility
Hartley, 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).





