Climate and monthly weather forecastGrandfalls, TX
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Grandfalls, Texas, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 39.4°F (4.1°C). In January, Grandfalls's weather conditions record an average high-temperature of a still refreshing 58.5°F (14.7°C), demonstrating little divergence from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is an enjoyable month in Grandfalls, Texas, with an average temperature varying between 64.6°F (18.1°C) and 43.3°F (6.3°C). As January gives way to February, the average high-temperature displays a slight ascent, adjusting from a mild 58.5°F (14.7°C) to an enjoyable 64.6°F (18.1°C). Weather in February »Weather in March
March, the first month of the spring in Grandfalls, is a moderately hot month, with an average temperature fluctuating between 74.7°F (23.7°C) and 51.4°F (10.8°C). As March arrives, a rise in the average high-temperature is observed, moving from a refreshing 64.6°F (18.1°C) in February to a moderately hot 74.7°F (23.7°C). Weather in March »Weather in April
April, like March, in Grandfalls, Texas, is a moderately hot spring month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 58.1°F (14.5°C). April's arrival signals a subtle increase in average high-temperatures, moving from March's 74.7°F (23.7°C) to a still moderately hot 82.2°F (27.9°C). Weather in April »Weather in May
May, the last month of the spring in Grandfalls, is a tropical month, with an average temperature varying between 65.8°F (18.8°C) and 89.2°F (31.8°C). The beginning of May marks a minor shift in the average high-temperature, moving from April's warm 82.2°F (27.9°C) to a tropical 89.2°F (31.8°C). Weather in May »Weather in June
The first month of the summer, June, is a sweltering month in Grandfalls, Texas, with an average temperature varying between 74.5°F (23.6°C) and 96.4°F (35.8°C). June, recording an average high temperature of 96.4°F (35.8°C) and a low temperature of 74.5°F (23.6°C), is Grandfalls's warmest month. June's average heat index is appraised at a sweltering 102.2°F (39°C). Weather in June »Weather in July
July, like June, in Grandfalls, Texas, is another torrid summer month, with an average temperature fluctuating between 95.9°F (35.5°C) and 76.6°F (24.8°C). In the transition from June to July, Grandfalls reports an average high-temperature of a still sweltering 95.9°F (35.5°C), indicating a close resemblance to the prior month. Weather in July »Weather in August
August, the last month of the summer in Grandfalls, is also a sweltering month, with an average temperature ranging between min 77°F (25°C) and max 96.3°F (35.7°C). As Grandfalls, Texas, welcomes August, the average high-temperature records at a still very hot 96.3°F (35.7°C), marking an insignificant deviation from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Grandfalls, is also a hot month, with an average temperature varying between 87.8°F (31°C) and 70.2°F (21.2°C). A modest decline in the average high-temperature is seen during September, decreasing from a fiery hot 96.3°F (35.7°C) in August to a tropical 87.8°F (31°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Grandfalls, Texas, with an average temperature ranging between min 59.7°F (15.4°C) and max 79°F (26.1°C). A mild drop in Grandfalls's average high-temperature is observed in October, transitioning from a hot 87.8°F (31°C) in September to a warm 79°F (26.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Grandfalls, Texas, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 67.5°F (19.7°C). The average high-temperature drops in November, from October's warm 79°F (26.1°C) to a comfortable 67.5°F (19.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Grandfalls, Texas, with an average temperature ranging between max 58.3°F (14.6°C) and min 40.5°F (4.7°C). In Grandfalls, the lowest temperatures are generally noted in December, averaging a high of 58.3°F (14.6°C) and a low of 40.5°F (4.7°C). Weather in December »Updated: Jun 18, 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
In Grandfalls, during the entire year, the rain falls for 63.3 days and collects up to 6.61" (168mm) of precipitation.
Months with snowfall in Grandfalls are January through March, November and December.
Throughout the year, there are 3.2 snowfall days, and 1.1" (28mm) of snow is accumulated.
February is the month with the least rainfall in Grandfalls. Rain falls for 1.9 days and accumulates 0.08" (2mm) of precipitation.
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.
With an average relative humidity of 31%, April is the least humid month.
April through October are months without snowfall in Grandfalls.
May is the month with the most rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.
June is the month when Grandfalls's temperatures reach their peak, with averages of 96.4°F (35.8°C) and lows of 74.5°F (23.6°C).
June has the longest days of the year in Grandfalls, with an average of 14h and 12min of daylight.
June has the most sunshine of the year, with an average of 11.8h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 8.
September and December, with an average relative humidity of 49%, are most humid months.
The months with the most snowfall are November and December, with an average 0.31" (8mm) of accumulated snow.
Grandfalls notes the coldest temperatures in December, with a average high of 58.3°F (14.6°C) and a low of 40.5°F (4.7°C).
December has the shortest days of the year, with an average of 10h and 6min of daylight.
With an average of 7h of sunshine, December has the least sunshine of the year.
The month with the lowest UV index is December, with an average maximum UV index of 3.
Average temperature
Grandfalls, TX
The warmest month (with the highest average high temperature) is June (96.4°F).
The month with the lowest average high temperature is December (58.3°F).
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure
Grandfalls, TX
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
29.97"Hg - Average pressure in April:
29.87"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.84"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:
29.98"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Grandfalls, TX
- Average wind speed in January:
9mph - Average wind speed in February:
10mph - Average wind speed in March:
11.2mph - Average wind speed in April:
12.5mph - Average wind speed in May:
12.6mph - Average wind speed in June:
13.2mph
- Average wind speed in July:
12.1mph - Average wind speed in August:
11.1mph - Average wind speed in September:
10.6mph - Average wind speed in October:
10mph - Average wind speed in November:
9.3mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is June (13.2mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).
Average humidity
Grandfalls, TX
The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (31%).
Average rainfall
Grandfalls, TX
- Average rainfall in January:
0.2" - Average rainfall in February:
0.08" - Average rainfall in March:
0.39" - Average rainfall in April:
0.31" - Average rainfall in May:
1.1" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.71" - Average rainfall in September:
0.94" - Average rainfall in October:
0.83" - Average rainfall in November:
0.31" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.08").
Average rainfall days
Grandfalls, TX
- Average rainfall days in January:
2 days - Average rainfall days in February:
1.9 days - Average rainfall days in March:
4.1 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
6.4 days
- Average rainfall days in July:
8.6 days - Average rainfall days in August:
7.1 days - Average rainfall days in September:
10 days - Average rainfall days in October:
5.6 days - Average rainfall days in November:
2.8 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is September (10 days).
The month with the least rainy days is February (1.9 days).
Average snowfall
Grandfalls, TX
The months with the highest snowfall are November and December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Grandfalls, TX
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 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 days
The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Grandfalls, TX
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
9h and 6min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 6min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 12min - Average sunshine in October:
9h and 24min - Average sunshine in November:
7h and 12min - Average sunshine in December:
7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Grandfalls, TX
- Average sunshine days in January:
27.8 days - Average sunshine days in February:
25.6 days - Average sunshine days in March:
26.9 days - Average sunshine days in April:
24.7 days - Average sunshine days in May:
20.2 days - Average sunshine days in June:
21.6 days
- Average sunshine days in July:
19.1 days - Average sunshine days in August:
21.2 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
23.9 days - Average sunshine days in November:
26.2 days - Average sunshine days in December:
27.1 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (18.1 days).
Average UV index
Grandfalls, TX
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Grandfalls, TX
The month with the most cloud cover is September (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility
Grandfalls, 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).
