Des Moines
Iowa, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Des Moines, IA

October, like September, is another mild autumn month in Des Moines, Iowa, with average temperature varying between 45°F (7.2°C) and 60.6°F (15.9°C).

Temperature

In October, the average high-temperature significantly decreases, from a moderately hot 75.6°F (24.2°C) in September, to a mild 60.6°F (15.9°C). In October, in Des Moines, the average low-temperature is 45°F (7.2°C).

Humidity

The least humid month is October, with an average relative humidity of 70%.

Rainfall

In Des Moines, Iowa, it is raining for 8.5 days, with typically 1.18" (30mm) of accumulated precipitation. In Des Moines, during the entire year, the rain falls for 114.4 days and collects up to 16.38" (416mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Des Moines, Iowa. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. In Des Moines, during the entire year, snow falls for 30.9 days, and aggregates up to 7.36" (187mm) of snow.

Daylight

The average length of the day in Des Moines, Iowa, is 11.1h.

Sunshine

In Des Moines, the average sunshine in October is 5.6h.

UV index

In Des Moines, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in October in Des Moines?

The average high-temperature, in October, in Des Moines, Iowa, is 60.6°F (15.9°C), while the average low-temperature is 45°F (7.2°C).

What is the least humid month in Des Moines?

The least humid month in Des Moines, Iowa, is October, with an average relative humidity of 70%.

What is the average humidity in October in Des Moines?

The average relative humidity in October in Des Moines is 70%.

How many days does it rain in October in Des Moines?

In Des Moines, Iowa, during October, the rain falls for 8.5 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When does it start to snow in Des Moines?

October is the first month it typically snows in Des Moines. Throughout October, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October in Des Moines?

In Des Moines, the average length of the day in October is 11.1h.

How long on average sun shines in October in Des Moines?

In Des Moines, Iowa, the average sunshine in October is 5.6h.

What is the UV index intensity in October in Des Moines?

The average daily maximum UV index in October in Des Moines, Iowa, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.
Average temperature in October - Des Moines, IA
  • Average high temperature in October: 15.9°C

The warmest month (with the highest average high temperature) is July (28.4°C).
The month with the lowest average high temperature is January (-2.1°C).

  • Average low temperature in October: 7.2°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).

Average humidity in October - Des Moines, IA
  • Average humidity in October: 70%

Months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October - Des Moines, IA
  • Average rainfall in October: 30mm

The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is January (12mm).

Average rainfall days in October - Des Moines, IA
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3 days).

Average snowfall in October - Des Moines, IA
  • Average snowfall in October: 5mm

The month with the highest snowfall is January (57mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in October - Des Moines, IA
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (8.7 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October / Average sunshine in October - Des Moines, IA
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in October: 5.6h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.3h).

Average UV index in October - Des Moines, IA
  • Average UV index in October: 2

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).