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 arrival of October brings a distinct temperature shift, with the average high-temperature dropping from an agreeable 71.1°F (21.7°C) in September to a mild 56.3°F (13.5°C). During the month of October, Dorchester anticipates a mean low-temperature of 40.3°F (4.6°C).Humidity
With an average relative humidity of 76%, October is the least humid month in Dorchester.Rainfall
In Dorchester, in October, it is raining for 10.7 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Dorchester, there are 130.5 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 51.4 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 0min.On the first day of October in Dorchester, sunrise is at 7:04 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:58 pm CDT.
Sunshine
In Dorchester, the average sunshine in October is 5.2h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in October translates into these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average October temperature in Dorchester?
What is the least humid month in Dorchester?
What is the average humidity in October in Dorchester?
How many days does it rain in October in Dorchester?
When does it start to snow in Dorchester?
How many hours of daylight does Dorchester have in October?
When is the sunrise / sunset in October in Dorchester?
How many hours of sunshine does Dorchester have in October?
What is the UV index intensity in October in Dorchester?
Average temperature in October
Dorchester, IA
- Average high temperature in October: 56.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in October: 40.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in October
Dorchester, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Dorchester, IA
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in October
Dorchester, IA
- Average humidity in October: 76%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in October
Dorchester, IA
- Average rainfall in October: 2.01"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in October
Dorchester, IA
- Average rainfall days in October: 10.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3 days).
Average snowfall in October
Dorchester, IA
- Average snowfall in October: 0.12"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Dorchester, IA
- Average snowfall days in October: 1.1 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Dorchester, IA
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 5h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in October
Dorchester, IA
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in October
Dorchester, IA
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in October
Dorchester, IA
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Dorchester, IA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Dorchester, Iowa, USA
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