Climate and monthly weather forecastGreenfield, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Greenfield, California, with an average temperature fluctuating between 41.5°F (5.3°C) and 59.4°F (15.2°C). Greenfield, California, records a slight change with January's average high-temperatures adjusting to a still refreshing 59.4°F (15.2°C) from December's 56.8°F (13.8°C). Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Greenfield, California, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 59.5°F (15.3°C). Entering February, Greenfield's average high-temperature reads a still mild 59.5°F (15.3°C), indicating a close resemblance to the previous month's climate. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Greenfield, California, with an average temperature varying between 63.1°F (17.3°C) and 41.5°F (5.3°C). February's transformation into March witnesses an average high-temperature of a comfortable 63.1°F (17.3°C), noting a minor change from the preceding month. Weather in March »Weather in April
April is a pleasant spring month in Greenfield, California, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 68.4°F (20.2°C). Greenfield greets April with an average high-temperature of an agreeable 68.4°F (20.2°C), marking a slight deviation from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Greenfield, California, with an average temperature varying between 48.7°F (9.3°C) and 74.3°F (23.5°C). Greenfield in May observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 68.4°F (20.2°C) in April to a moderately hot 74.3°F (23.5°C). Weather in May »Weather in June
June, the first month of the summer in Greenfield, is still a warm month, with an average temperature varying between 83.5°F (28.6°C) and 54.7°F (12.6°C). The start of June brings a shift in the average high-temperature, increasing from May's warm 74.3°F (23.5°C) to a still moderately hot 83.5°F (28.6°C). Weather in June »Weather in July
July in Greenfield, California, is a hot summer month, with temperature in the range of an average high of 89.1°F (31.7°C) and an average low of 58.1°F (14.5°C). The month of July, characterized by an average high of 89.1°F (31.7°C) and a low of 58.1°F (14.5°C), is recognized as the warmest. The heat index value during July is evaluated at a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Greenfield, California, with an average temperature ranging between min 58.6°F (14.8°C) and max 88.9°F (31.6°C). August experiences an average high-temperature of a still tropical 88.9°F (31.6°C), barely different from July's 89.1°F (31.7°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Greenfield, California, with an average temperature ranging between max 84.7°F (29.3°C) and min 57.4°F (14.1°C). The initiation of September sees an average high-temperature of a warm 84.7°F (29.3°C), showing minor variations from the previous month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Greenfield, California, with an average temperature fluctuating between 52.2°F (11.2°C) and 75.4°F (24.1°C). In Greenfield, entering October brings a temperature decrement, reducing from September's moderately hot 84.7°F (29.3°C) to a still warm 75.4°F (24.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Greenfield, California, with an average temperature fluctuating between 65.5°F (18.6°C) and 45.1°F (7.3°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's moderately hot 75.4°F (24.1°C) to a comfortable 65.5°F (18.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Greenfield, California, with an average temperature varying between 40.8°F (4.9°C) and 56.8°F (13.8°C). With average high and low temperatures of 56.8°F (13.8°C) and 40.8°F (4.9°C) respectively, December is Greenfield's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Greenfield, CA
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (56.8°F).
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure
Greenfield, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Greenfield, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.3mph - Average wind speed in April:
6mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity
Greenfield, CA
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is July (46%).
Average rainfall
Greenfield, CA
- Average rainfall in January:
1.54" - Average rainfall in February:
1.61" - Average rainfall in March:
1.77" - Average rainfall in April:
0.67" - Average rainfall in May:
0.24" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.47" - Average rainfall in November:
0.94" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days
Greenfield, CA
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
7 days - Average rainfall days in May:
4.1 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
1.7 days - Average rainfall days in August:
0.4 days - Average rainfall days in September:
1.6 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is August (0.4 days).
Average daylight / Average sunshine
Greenfield, CA
- Average daylight in January:
10h and 0min - 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 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
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 42min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
6h and 12min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 48min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 30min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days
Greenfield, CA
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
21.8 days - Average sunshine days in May:
26.3 days - Average sunshine days in June:
28.6 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
30.1 days - Average sunshine days in September:
27.7 days - Average sunshine days in October:
25.6 days - Average sunshine days in November:
23.4 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is August (30.1 days).
The month with the least sunshine days is March (18.3 days).
Average UV index
Greenfield, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Greenfield, CA
The months with the most cloud cover are March and December (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility
Greenfield, CA
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).





