Climate and monthly weather forecastGrandfield, OK
Climate and monthly weather forecast
Weather in January
January, like December, in Grandfield, Oklahoma, is a cool winter month, with an average temperature varying between 53.2°F (11.8°C) and 35.4°F (1.9°C). January's climate shows a minor adjustment in average high-temperatures to a still fresh 53.2°F (11.8°C) from December's 52.9°F (11.6°C). Weather in January »Weather in February
The last month of the winter, February, is a moderate month in Grandfield, Oklahoma, with an average temperature ranging between min 37.9°F (3.3°C) and max 56.8°F (13.8°C). With February's advent, Grandfield sees an average high-temperature of a moderate 56.8°F (13.8°C), subtly shifted from January's 53.2°F (11.8°C). Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Grandfield, Oklahoma, with an average temperature fluctuating between 67.5°F (19.7°C) and 46.8°F (8.2°C). The onset of March brings a rise in the average high-temperature, elevating from a moderate 56.8°F (13.8°C) in February to a still refreshing 67.5°F (19.7°C). Weather in March »Weather in April
April in Grandfield, Oklahoma, is a moderately hot spring month, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 53.4°F (11.9°C). A minor escalation in the average high-temperature is seen with the onset of April, moving from an enjoyable 67.5°F (19.7°C) in March to a warm 74.8°F (23.8°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Grandfield, Oklahoma, with an average temperature varying between 62.6°F (17°C) and 82.8°F (28.2°C). Grandfield observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's moderately hot 74.8°F (23.8°C) to a still warm 82.8°F (28.2°C). Weather in May »Weather in June
June, the first month of the summer in Grandfield, is a tropical month, with an average temperature fluctuating between 92.8°F (33.8°C) and 72.5°F (22.5°C). As Grandfield transitions into June, the average high-temperature is observed to rise from a moderately hot 82.8°F (28.2°C) in May to a tropical 92.8°F (33.8°C). Weather in June »Weather in July
July is a sweltering summer month in Grandfield, Oklahoma, with an average temperature fluctuating between 75.9°F (24.4°C) and 97°F (36.1°C). Grandfield's average high-temperature in July is a very hot 97°F (36.1°C), marking an insignificant difference from the 92.8°F (33.8°C) of June. Weather in July »Weather in August
August, the last month of the summer in Grandfield, is another torrid month, with temperature in the range of an average high of 97.2°F (36.2°C) and an average low of 75.6°F (24.2°C). August, on average, is the warmest month, registering a high temperature of 97.2°F (36.2°C) and a low of 75.6°F (24.2°C). During August, the heat index is estimated at a scorching 111.2°F (44°C). Weather in August »Weather in September
September, the first month of the autumn in Grandfield, is still a tropical month, with an average temperature ranging between min 68.4°F (20.2°C) and max 87.3°F (30.7°C). The onset of September is marked by a decrease in temperature, transitioning from a torrid 97.2°F (36.2°C) in August to a hot 87.3°F (30.7°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Grandfield, Oklahoma, with an average temperature ranging between max 75°F (23.9°C) and min 55.9°F (13.3°C). Setting in of October comes with a decrease in the average high-temperature, moving from a tropical 87.3°F (30.7°C) in September to a warm 75°F (23.9°C). Weather in October »Weather in November
November, the last month of the autumn in Grandfield, is another refreshing month, with an average temperature fluctuating between 63.5°F (17.5°C) and 45.1°F (7.3°C). Start of November brings a shift in the average high-temperature, falling from October's warm 75°F (23.9°C) to a comfortable 63.5°F (17.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Grandfield, Oklahoma, with an average temperature ranging between min 36.3°F (2.4°C) and max 52.9°F (11.6°C). With average high temperatures of 52.9°F (11.6°C) and lows of 36.3°F (2.4°C), December is the coldest month. Weather in December »Updated: Jun 4, 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 and February are months with the least rain when the rain falls for 4.7 days and typically aggregates up to 0.94" (24mm) of rain.
Throughout the year, there are 111 rainfall days, and 22.24" (565mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
Throughout the year, there are 6.2 snowfall days, and 3.46" (88mm) of snow is accumulated.
February is the month with the most snowfall. Snow falls for 2.2 days and accumulates 1.38" (35mm) of snow.
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 66%, May is the most humid month in Grandfield.
The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 3.62" (92mm) of precipitation.
In Grandfield, Oklahoma, snow does not fall in May through October.
The month with the longest days is June, with an average of 14h and 24min of daylight.
July has the most sunshine of the year, with an average of 11.3h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 8.
August stands out as Grandfield's warmest month, with temperatures ranging between an average high of 97.2°F (36.2°C) and a low of 75.6°F (24.2°C).
August is the least humid month in Grandfield, with an average relative humidity of 50%.
In Grandfield, the average lowest temperatures are observed in December, with a high of 52.9°F (11.6°C) and a low of 36.3°F (2.4°C).
With an average of 9h and 54min of daylight, December has the shortest days of the year in Grandfield.
December has the least sunshine of the year, with an average of 6.3h of sunshine.
December is the month with the lowest UV index, with an average maximum UV index of 2.
Average temperature
Grandfield, OK
The warmest month (with the highest average high temperature) is August (97.2°F).
The month with the lowest average high temperature is December (52.9°F).
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure
Grandfield, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.87"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Grandfield, OK
- Average wind speed in January:
9.8mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.6mph - Average wind speed in May:
10.7mph - Average wind speed in June:
10mph
- Average wind speed in July:
8.6mph - Average wind speed in August:
8.5mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity
Grandfield, OK
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (50%).
Average rainfall
Grandfield, OK
- Average rainfall in January:
0.94" - Average rainfall in February:
0.94" - Average rainfall in March:
1.61" - Average rainfall in April:
2.48" - Average rainfall in May:
3.62" - Average rainfall in June:
2.05"
The wettest month (with the highest rainfall) is May (3.62").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days
Grandfield, OK
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
13 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
5.1 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall
Grandfield, OK
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Grandfield, OK
- Average snowfall days in January:
1 days - Average snowfall days in February:
2.2 days - Average snowfall days in March:
0.7 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Grandfield, OK
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 42min - Average sunshine in February:
7h and 48min - Average sunshine in March:
8h and 0min - Average sunshine in April:
8h and 48min - Average sunshine in May:
9h and 48min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 30min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 24min - Average sunshine in December:
6h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days
Grandfield, OK
- Average sunshine days in January:
25 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
19.2 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
17.7 days
- Average sunshine days in July:
17.7 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
22.7 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is May (14.3 days).
Average UV index
Grandfield, OK
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Grandfield, OK
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility
Grandfield, OK
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).
