October weather forecastGrafton, MA
October
Weather in October
October, like September, is another mild autumn month in Grafton, Massachusetts, with an average temperature ranging between max 59.9°F (15.5°C) and min 45.7°F (7.6°C).Temperature
In the transition to October, Grafton observes a drop in the average high-temperature, moving from a pleasant 72.7°F (22.6°C) in September to a mild 59.9°F (15.5°C). Grafton reports a consistent average low-temperature of 45.7°F (7.6°C) throughout October nights.Humidity
In Grafton, the average relative humidity in October is 79%.Rainfall
In Grafton, in October, during 14 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Grafton, during the entire year, the rain falls for 152.2 days and collects up to 30.67" (779mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 3min.On the first day of the month, sunrise is at 6:44 am and sunset at 6:27 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:41 pm EDT.
Sunshine
In Grafton, the average sunshine in October is 5.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in October translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grafton, MA
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in October: 45.7°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in October
Grafton, MA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Grafton, MA
- Average wind speed in October: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in October
Grafton, MA
- Average humidity in October: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in October
Grafton, MA
- Average rainfall in October: 2.72"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
Grafton, MA
- Average rainfall days in October: 14 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in October
Grafton, MA
- Average snowfall in October: 0"
The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in October
Grafton, MA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Grafton, MA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Grafton, MA
- Average sunshine days in October: 14.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in October
Grafton, MA
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in October
Grafton, MA
- Average cloud cover in October: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in October
Grafton, MA
- Average visibility in October: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).





