Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October shows a mild decline in the average high-temperature, falling from September's pleasant 71.8°F (22.1°C) to a moderate 58.1°F (14.5°C). Greenfield records a consistent low-temperature of 43.2°F (6.2°C) during October nights.Humidity
The average relative humidity in October is 80%.Rainfall
The months with the most rainfall are October and December, with an average 3.03" (77mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. In Greenfield, during the entire year, snow falls for 42.1 days and aggregates up to 24.53" (623mm) of snow.Daylight
In Greenfield, Massachusetts, the average length of the day in October is 11h and 2min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:23 am and sunset at 5:44 pm EDT.
Sunshine
The average sunshine in October is 5.9h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In October, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the average humidity in October in Greenfield?
What is the wettest month?
How much does it rain in October?
When does it start snowing?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Greenfield have in October?
When is the lowest UV index in Greenfield?
What is the UV index intensity in October in Greenfield?
Average temperature in October
Greenfield, MA
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in October: 43.2°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in October
Greenfield, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Greenfield, MA
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in October
Greenfield, MA
- Average humidity in October: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in October
Greenfield, MA
- Average rainfall in October: 3.03"
The wettest months (with the highest rainfall) are October and December (3.03").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in October
Greenfield, MA
- Average rainfall days in October: 14.5 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in October
Greenfield, MA
- Average snowfall in October: 0.39"
The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Greenfield, MA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Greenfield, MA
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in October
Greenfield, MA
- Average sunshine days in October: 13.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Greenfield, MA
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Greenfield, MA
- Average cloud cover in October: 44
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in October
Greenfield, MA
- Average visibility in October: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Greenfield, Massachusetts, USA
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