Climate and monthly weather forecastGreenfield, OK
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Greenfield, Oklahoma, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 47.8°F (8.8°C). January is the month that records the lowest temperatures, with averages ranging from a high of 47.8°F (8.8°C) to a low of 30.7°F (-0.7°C). Weather in January »Weather in February
February, the last month of the winter in Greenfield, is a fresh month, with an average temperature varying between 33.3°F (0.7°C) and 50.9°F (10.5°C). At the start of February, Greenfield's average high-temperature reaches a cool 50.9°F (10.5°C), subtly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Greenfield, Oklahoma, with an average temperature varying between 62.2°F (16.8°C) and 42.4°F (5.8°C). Greenfield sees an increase in the average high-temperature with the arrival of March, moving from February's fresh 50.9°F (10.5°C) to a refreshing 62.2°F (16.8°C). Weather in March »Weather in April
April is a pleasant spring month in Greenfield, Oklahoma, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 69.4°F (20.8°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's comfortable 62.2°F (16.8°C) to a pleasant 69.4°F (20.8°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Greenfield, Oklahoma, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.6°F (25.9°C). In Greenfield, the average high-temperature in May rises, from an agreeable 69.4°F (20.8°C) in April, to a warm 78.6°F (25.9°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Greenfield, Oklahoma, with an average temperature ranging between max 91°F (32.8°C) and min 71.1°F (21.7°C). June witnesses an increase in the average high-temperature, moving from a warm 78.6°F (25.9°C) in May to a tropical 91°F (32.8°C). Weather in June »Weather in July
July, the same as June, in Greenfield, Oklahoma, is another tropical summer month, with an average temperature fluctuating between 73.9°F (23.3°C) and 94.6°F (34.8°C). Greenfield's temperatures peak on average in July, reaching 94.6°F (34.8°C) at their highest and 73.9°F (23.3°C) at their lowest. For July, the heat index is estimated at an extremely hot 109.4°F (43°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Greenfield, Oklahoma, with temperature in the range of an average low of 72.7°F (22.6°C) and an average high of 93.2°F (34°C). Greenfield's transition from July to August introduces an average high-temperature of a still hot 93.2°F (34°C), marking an insignificant variation from the 94.6°F (34.8°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Greenfield, Oklahoma, with an average temperature varying between 84.6°F (29.2°C) and 66°F (18.9°C). Greenfield's September weather features a light decline in high-temperatures, reducing from a hot 93.2°F (34°C) in August to a moderately hot 84.6°F (29.2°C). Weather in September »Weather in October
October, the same as September, in Greenfield, Oklahoma, is another pleasant autumn month, with an average temperature fluctuating between 70.3°F (21.3°C) and 52.7°F (11.5°C). Greenfield, Oklahoma, in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 84.6°F (29.2°C) to a pleasant 70.3°F (21.3°C). Weather in October »Weather in November
November, the last month of the autumn in Greenfield, is another mild month, with an average temperature fluctuating between 58.8°F (14.9°C) and 41°F (5°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's pleasant 70.3°F (21.3°C) to a refreshing 58.8°F (14.9°C). Weather in November »Weather in December
December, the first month of the winter in Greenfield, is still a chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 32°F (0°C). Greenfield's progression into December involves a drop in the average high-temperature, receding from a moderate 58.8°F (14.9°C) in November to a chilly 48.6°F (9.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Greenfield, OK
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (47.8°F).
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure
Greenfield, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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 (29.86"Hg).
Average wind speed
Greenfield, OK
- Average wind speed in January:
11mph - Average wind speed in February:
11.3mph - Average wind speed in March:
12.1mph - Average wind speed in April:
12.6mph - Average wind speed in May:
11.2mph - Average wind speed in June:
11.2mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
8.9mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.6mph - Average wind speed in November:
11.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity
Greenfield, OK
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Greenfield, OK
- Average rainfall in January:
0.83" - Average rainfall in February:
0.83" - Average rainfall in March:
1.26" - Average rainfall in April:
2.48" - Average rainfall in May:
3.54" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.34" - Average rainfall in September:
1.81" - Average rainfall in October:
1.77" - Average rainfall in November:
0.83" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is May (3.54").
The driest months (with the least rainfall) are January, February, November and December (0.83").
Average rainfall days
Greenfield, OK
- Average rainfall days in January:
4.1 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
9.9 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
5.3 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall
Greenfield, OK
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Greenfield, OK
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.3 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:
0.2 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Greenfield, OK
- 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 30min
- 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 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
7h and 48min - Average sunshine in March:
7h and 42min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 42min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
10h and 54min - Average sunshine in September:
8h and 54min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 24min - Average sunshine in December:
6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 24min).
Average sunshine days
Greenfield, OK
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
19.2 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
18.9 days
- Average sunshine days in July:
19.1 days - Average sunshine days in August:
18.9 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
23.4 days - Average sunshine days in December:
23 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index
Greenfield, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Greenfield, OK
The months with the most cloud cover are March and April (Cloud cover 34).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility
Greenfield, 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).





