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's arrival signals a distinct temperature shift, dropping from a moderately hot 77.2°F (25.1°C) in September to a refreshing 61.5°F (16.4°C). Longmont records a pronounced decline from the day's peak to an average nighttime low-temperature of 38.3°F (3.5°C) throughout October.Humidity
The average relative humidity in October in Longmont is 49%.Rainfall
In Longmont, Colorado, in October, it is raining for 5.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Longmont, during the entire year, the rain falls for 105.4 days and collects up to 10.43" (265mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 2.5 snowfall days, it receives 3.15" (80mm) of snow. Throughout the year, in Longmont, there are 37.1 snowfall days, and 26.73" (679mm) of snow is accumulated.Daylight
In Longmont, the average length of the day in October is 11h and 7min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:58 pm MDT.
Sunshine
The average sunshine in October is 7.4h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in October translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Longmont?
What is the average humidity in October in Longmont?
How many days does it rain in October in Longmont?
When does it start snowing in Longmont?
What is the average length of the day in October in Longmont?
When are sunrise and sunset in October in Longmont?
How long on average sun shines in October in Longmont?
How high is the UV index in October in Longmont?
Average temperature in October
Longmont, CO
- Average high temperature in October: 61.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in October: 38.3°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (19.9°F).
Average pressure in October
Longmont, CO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in October
Longmont, CO
- Average wind speed in October: 5.7mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.6mph).
Average humidity in October
Longmont, CO
- Average humidity in October: 49%
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (42%).
Average rainfall in October
Longmont, CO
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in October
Longmont, CO
- Average rainfall days in October: 5.9 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in October
Longmont, CO
- Average snowfall in October: 3.15"
The month with the highest snowfall is November (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Longmont, CO
- Average snowfall days in October: 2.5 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Longmont, CO
- Average daylight in October: 11h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in October
Longmont, CO
- Average sunshine days in October: 20.6 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in October
Longmont, CO
- Average UV index in October: 3
The months with the highest UV index are 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
Longmont, CO
- Average cloud cover in October: 18
The months with the most cloud cover are April and May (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in October
Longmont, 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).
Longmont, Colorado, USA
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