Monthly weather forecast and climate
Greenfield, CA

Weather in January

January, the same as December, in Greenfield, California, is another mild winter month, with average temperature fluctuating between 41.5°F (5.3°C) and 59.4°F (15.2°C). In January, the average high-temperature is almost the same as in December - a still mild 59.4°F (15.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Greenfield, California, with average temperature varying between 59.5°F (15.3°C) and 41.2°F (5.1°C). In February, the average high-temperature is almost the same as in January - a still mild 59.5°F (15.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Greenfield, California, with average temperature ranging between max 63.1°F (17.3°C) and min 41.5°F (5.3°C). In March, the average high-temperature is almost the same as in February - an enjoyable 63.1°F (17.3°C). Weather in March »

Weather in April

April in Greenfield, California, is a pleasant spring month, with average temperature varying between 68.4°F (20.2°C) and 44.4°F (6.9°C). In Greenfield, the average high-temperature is essentially the same as in March - an agreeable 68.4°F (20.2°C). Weather in April »

Weather in May

May, the last month of the spring, in Greenfield, is a warm month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 74.3°F (23.5°C). In Greenfield, California, the average high-temperature marginally rises, from an agreeable 68.4°F (20.2°C) in April, to a warm 74.3°F (23.5°C). Weather in May »

Weather in June

June, the first month of the summer, in Greenfield, is also a moderately hot month, with average temperature varying between 83.5°F (28.6°C) and 54.7°F (12.6°C). In June, the average high-temperature increases, from a warm 74.3°F (23.5°C) in May, 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). With an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 58.1°F (14.5°C), July is the warmest month. In July, the average heat index is calculated to a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer, in Greenfield, is also a hot month, with average temperature fluctuating between 58.6°F (14.8°C) and 88.9°F (31.6°C). In Greenfield, the average high-temperature in August is almost the same as in July - a still hot 88.9°F (31.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Greenfield, is still a warm month, with average temperature ranging between max 84.7°F (29.3°C) and min 57.4°F (14.1°C). In September, the average high-temperature is almost the same as in August - a warm 84.7°F (29.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Greenfield, California, with average temperature ranging between max 75.4°F (24.1°C) and min 52.2°F (11.2°C). In Greenfield, the average high-temperature decreases, from a moderately hot 84.7°F (29.3°C) in September, to a still warm 75.4°F (24.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in Greenfield, is also an enjoyable month, with average temperature ranging between max 65.5°F (18.6°C) and min 45.1°F (7.3°C). In Greenfield, the average high-temperature decreases, from a moderately hot 75.4°F (24.1°C) in October, to an enjoyable 65.5°F (18.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Greenfield, is also a moderate month, with average temperature fluctuating between 56.8°F (13.8°C) and 40.8°F (4.9°C). December is the coldest month, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 40.8°F (4.9°C). Weather in December »
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FAQ

How much does it rain in Greenfield?

In Greenfield, during the entire year, the rain falls for 62.4 days and collects up to 9.45" (240mm) of precipitation.

What is the most humid month in Greenfield?

With an average relative humidity of 70%, February is the most humid month in Greenfield.

What are the months with the lowest UV index in Greenfield?

Months with the lowest UV index in Greenfield, California, are February, November and December, with an average maximum UV index of 3.

When are the longest days in Greenfield?

June has the longest days of the year in Greenfield, California, with an average of 14.6h of daylight.

What is the month with the highest UV index in Greenfield?

Months with the highest UV index in Greenfield, California, are June through August, with an average maximum UV index of 6.

What is the warmest month in Greenfield?

July is the warmest month in Greenfield, California, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 58.1°F (14.5°C).

What is the least humid month in Greenfield?

The least humid month is July, with an average relative humidity of 46%.

What month has the most sunshine in Greenfield?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the driest month in Greenfield?

August is the month with the least rainfall in Greenfield. Rain falls for 0.4 days and accumulates 0.04" (1mm) of precipitation.

What is the coldest month in Greenfield?

The coldest month is December, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 40.8°F (4.9°C).

What is the wettest month in Greenfield?

December is the month with the most rainfall in Greenfield. Rain falls for 9.2 days and accumulates 1.89" (48mm) of precipitation.

What is the month with the shortest days in Greenfield?

With an average of 9.7h of daylight, December has the shortest days of the year in Greenfield, California.

What is the month with the least sunshine in Greenfield?

The month with the least sunshine is December, with an average of 6.1h of sunshine.

Average temperature
Greenfield, CA

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).

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Average pressure
Greenfield, CA

Average pressure - Greenfield, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed
Greenfield, CA

Average wind speed - Greenfield, CA

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).

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Average rainfall
Greenfield, CA

Average rainfall - Greenfield, CA

The wettest month (with the highest rainfall) is December (1.89").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days
Greenfield, CA

Average rainfall days - Greenfield, CA

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).

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Average daylight / Average sunshine
Greenfield, CA

Average daylight / Average sunshine - Greenfield, CA

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days
Greenfield, CA

Average sunshine days - Greenfield, CA

The month with the most sunshine days is August (30.1 days).
The month with the least sunshine days is March (18.3 days).

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Average UV index
Greenfield, CA

Average UV index - Greenfield, CA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are February, November and December (UV index 3).

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Average visibility
Greenfield, CA

Average visibility - Greenfield, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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