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
With the onset of October, Chelsea's average high-temperature experiences a noticeable drop, receding from September's warm 74.3°F (23.5°C) to a refreshing 59.9°F (15.5°C). Chelsea's nights in October experience an average temperature drop to a frosty 44.1°F (6.7°C).Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In October, the rain falls for 10.1 days. Throughout October, 2.17" (55mm) of precipitation is accumulated. In Chelsea, Iowa, during the entire year, the rain falls for 139 days and collects up to 29.49" (749mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Chelsea. Throughout October, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow. In Chelsea, during the entire year, snow falls for 39 days and aggregates up to 16.69" (424mm) of snow.Daylight
The average length of the day in October in Chelsea is 11h and 4min.On the first day of the month, sunrise is at 7:07 am and sunset at 6:50 pm. On the last day of October, in Chelsea, sunrise is at 7:41 am and sunset at 6:04 pm CDT.
Sunshine
In Chelsea, the average sunshine in October is 5.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in October translates into these instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Chelsea in October?
What is the least humid month in Chelsea?
What is the average humidity in October in Chelsea?
How much does it rain in Chelsea in October?
When does it start snowing in Chelsea?
How many hours of daylight does Chelsea have in October?
When is the sunrise / sunset in October in Chelsea?
How many hours of sunshine does Chelsea have in October?
When is the lowest UV index in Chelsea?
What is the UV index reading in October in Chelsea?
Average temperature in October
Chelsea, IA
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in October: 44.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in October
Chelsea, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Chelsea, IA
- Average wind speed in October: 9.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in October
Chelsea, IA
- Average humidity in October: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Chelsea, IA
- Average rainfall in October: 2.17"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in October
Chelsea, IA
- Average rainfall days in October: 10.1 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Chelsea, IA
- Average snowfall in October: 0.39"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Chelsea, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Chelsea, IA
- 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Chelsea, IA
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in October
Chelsea, IA
- Average UV index in October: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in October
Chelsea, IA
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in October
Chelsea, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Chelsea, Iowa, USA
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