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
The onset of October introduces a moderate change in Mattapan's weather, with average high-temperatures falling from September's pleasant 72.7°F (22.6°C) to a refreshing 61.3°F (16.3°C). In October, the average low-temperature records at a frosty 47.3°F (8.5°C) during the nights.Humidity
In Mattapan, Massachusetts, the average relative humidity in October is 77%.Rainfall
In Mattapan, during October, the rain falls for 13.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Mattapan, during the entire year, the rain falls for 147.4 days and collects up to 28.39" (721mm) of precipitation.Snowfall
Months with snowfall in Mattapan are January through April, October through December. October is the first month it typically snows in Mattapan. Throughout October, in the average 0.2 snowfall days, it receives 0.35" (9mm) of snow. In Mattapan, during the entire year, snow falls for 32.7 days and aggregates up to 22.01" (559mm) of snow.Daylight
In October, the average length of the day in Mattapan is 11h and 3min.On the first day of October in Mattapan, Massachusetts, sunrise is at 6:42 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:38 pm EDT.
Sunshine
The average sunshine in October in Mattapan is 6.1h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in October transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average October temperature in Mattapan?
What is the average humidity in October in Mattapan?
How many days does it rain in October in Mattapan?
When does it start to snow in Mattapan?
How many hours of daylight does Mattapan have in October?
When are sunrise and sunset in October in Mattapan?
How long on average sun shines in October in Mattapan?
How high is the UV index in October in Mattapan?
Average temperature in October
Mattapan, MA
- Average high temperature in October: 61.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in October
Mattapan, 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
Mattapan, MA
- Average wind speed in October: 7.9mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
Mattapan, MA
- Average humidity in October: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in October
Mattapan, MA
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in October
Mattapan, MA
- Average rainfall days in October: 13.7 days
The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in October
Mattapan, MA
- Average snowfall in October: 0.35"
The month with the highest snowfall is March (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Mattapan, MA
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mattapan, MA
- Average daylight in October: 11h and 1min
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: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Mattapan, MA
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in October
Mattapan, 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
Mattapan, MA
- Average cloud cover in October: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in October
Mattapan, MA
- Average visibility in October: 6mi
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).
Mattapan, Massachusetts, USA
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