October weather forecastBrighton, CO
October
Weather in October
October solidifies the presence of fall, with temperatures taking a major dip from the September readings. October witnesses a drop in rainfall to match the cooler conditions. The first snowfall since May occurs this month, transforming the city into a winter wonderland. The city sees less sun, and the weather begins to cool significantly. October shows Brighton in its fall colors, with its vibrant foliage creating a picturesque landscape.Temperature
The arrival of October brings a significant change in Brighton's weather, with average high-temperatures dropping from September's warm 79.7°F (26.5°C) to a comfortable 63.5°F (17.5°C). In October, the recorded average low-temperature, of 40.3°F (4.6°C), exhibits a significant fall from the daytime highs.Humidity
In Brighton, Colorado, the average relative humidity in October is 47%.Rainfall
In Brighton, in October, during 5.4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Brighton, Colorado, during the entire year, the rain falls for 80.6 days and collects up to 5.87" (149mm) 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 2.5 snowfall days, it receives 1.69" (43mm) of snow. Throughout the year, there are 30.9 snowfall days, and 11.42" (290mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 8min.On the first day of October, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:57 pm MDT.
Sunshine
In October, the average sunshine is 7.4h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In October, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Brighton, CO
- Average high temperature in October: 63.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in October: 40.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in October
Brighton, CO
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Brighton, CO
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in October
Brighton, CO
- Average humidity in October: 47%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (40%).
Average rainfall in October
Brighton, CO
- Average rainfall in October: 0.43"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is December (0.12").
Average rainfall days in October
Brighton, CO
- Average rainfall days in October: 5.4 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in October
Brighton, CO
- Average snowfall in October: 1.69"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Brighton, CO
- Average snowfall days in October: 2.5 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Brighton, CO
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 7h and 24min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in October
Brighton, CO
- Average sunshine days in October: 22.7 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in October
Brighton, CO
- 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, November and December (UV index 2).
Average cloud cover in October
Brighton, CO
- Average cloud cover in October: 19
The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 16).
Average visibility in October
Brighton, CO
- 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).
