Climate and monthly weather forecast
Olney, MO

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Weather in January

January, like December, in Olney, Missouri, is another cold winter month, with an average temperature ranging between max 36.1°F (2.3°C) and min 22.5°F (-5.3°C). January is the month that records the lowest temperatures, with averages ranging from a high of 36.1°F (2.3°C) to a low of 22.5°F (-5.3°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Olney, Missouri, with an average temperature varying between 40.6°F (4.8°C) and 26.2°F (-3.2°C). Olney's transition from January to February introduces an average high-temperature of a still icy 40.6°F (4.8°C), marking an insignificant variation from the 36.1°F (2.3°C). Weather in February »

Weather in March

March, the first month of the spring in Olney, is a fresh month, with an average temperature fluctuating between 53.2°F (11.8°C) and 36.7°F (2.6°C). The start of March signals an increase in the average high-temperature, moving from a cold 40.6°F (4.8°C) in February to a cool 53.2°F (11.8°C). Weather in March »

Weather in April

April in Olney, Missouri, is a comfortable spring month, with an average temperature fluctuating between 64.9°F (18.3°C) and 46°F (7.8°C). April brings a rise in Olney's average high-temperature, moving from a fresh 53.2°F (11.8°C) in March to an enjoyable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring in Olney, is a moderately hot month, with an average temperature varying between 74.7°F (23.7°C) and 55.9°F (13.3°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a refreshing 64.9°F (18.3°C) to a warm 74.7°F (23.7°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Olney, Missouri, with an average temperature fluctuating between 65.1°F (18.4°C) and 84.7°F (29.3°C). The start of June brings a rise in the average high-temperature, moving from a moderately hot 74.7°F (23.7°C) in May to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July is a hot summer month in Olney, Missouri, with an average temperature varying between 67.6°F (19.8°C) and 86.7°F (30.4°C). Olney's warmest month, July, generally records average temperatures ranging from a high of 86.7°F (30.4°C) to a low of 67.6°F (19.8°C). For most parts of July, the heat index is evaluated at a very hot 100.4°F (38°C). Weather in July »

Weather in August

August, the last month of the summer in Olney, is another warm month, with an average temperature varying between 85.3°F (29.6°C) and 65.7°F (18.7°C). Stepping into August, Olney records an average high-temperature of a moderately hot 85.3°F (29.6°C), almost consistent with July. Weather in August »

Weather in September

September, the first month of the autumn in Olney, is also a moderately hot month, with an average temperature fluctuating between 58.8°F (14.9°C) and 79°F (26.1°C). With the onset of September, Olney's climate undergoes a slight change as the average high-temperature moves from a moderately hot 85.3°F (29.6°C) in August to a still warm 79°F (26.1°C). Weather in September »

Weather in October

October, like September, in Olney, Missouri, is another enjoyable autumn month, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 65.3°F (18.5°C). October comes with a decrease in the average high-temperature, falling from a warm 79°F (26.1°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Olney, is also a fresh month, with an average temperature varying between 52.5°F (11.4°C) and 36.5°F (2.5°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a refreshing 65.3°F (18.5°C) to a fresh 52.5°F (11.4°C). Weather in November »

Weather in December

December, the first month of the winter in Olney, is also a wintry month, with temperature in the range of an average high of 41°F (5°C) and an average low of 28.4°F (-2°C). The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cool 52.5°F (11.4°C) in November to a cold 41°F (5°C). Weather in December »
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Frequently asked questions

What is the coldest month in Olney?

January is the coldest month in Olney, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 22.5°F (-5.3°C).

What is the driest month in Olney?

January and February are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 1.46" (37mm) of rain.

How much does it rain in Olney?

Throughout the year, there are 139.8 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

When does it snow in Olney?

Months with snowfall in Olney, Missouri, are January through April, November and December.

When does it snow the most in Olney?

The month with the most snowfall in Olney, Missouri, is January, when snow falls for 5.7 days and typically aggregates up to 3.11" (79mm) of snow.

How many days does it snow in Olney?

In Olney, during the entire year, snow falls for 19.7 days and aggregates up to 9.49" (241mm) of snow.

What is the month with the least sunshine in Olney?

January has the least sunshine of the year in Olney, Missouri, with an average of 4.4h of sunshine.

What are the months with the lowest UV index in Olney?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olney.

When is Daylight Saving Time (DST) in Olney?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Olney?

The most humid month is May, with an average relative humidity of 78%.

What is the rainiest month in Olney?

The month with the most rainfall in Olney, Missouri, is May, when the rain falls for 16.3 days and typically aggregates up to 3.39" (86mm) of precipitation.

When it does not snow in Olney?

May through October are months without snowfall in Olney.

When are the longest days in Olney?

June has the longest days of the year in Olney, Missouri, with an average of 14h and 54min of daylight.

What month has the most sunshine in Olney?

June has the most sunshine of the year in Olney, Missouri, with an average of 10.2h of sunshine.

When is the highest UV index in Olney?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Olney, Missouri.

What time of the year is the hottest in Olney?

In Olney, the average temperatures in July are the highest, with a peak at 86.7°F (30.4°C) and a low of 67.6°F (19.8°C).

What is the least humid month in Olney?

October is the least humid month in Olney, with an average relative humidity of 72%.

What is the month with the shortest days in Olney?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Olney, Missouri.

Average pressure
Olney, MO

Average pressure - Olney, MO

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Olney, MO

Average wind speed - Olney, MO

The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average rainfall
Olney, MO

Average rainfall - Olney, MO

The wettest month (with the highest rainfall) is May (3.39").
The driest months (with the least rainfall) are January and February (1.46").

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Average rainfall days
Olney, MO

Average rainfall days - Olney, MO

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.5 days).

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Average snowfall
Olney, MO

Average snowfall - Olney, MO

The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Olney, MO

Average snowfall days - Olney, MO

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Olney, MO

Average daylight / Average sunshine - Olney, MO

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days
Olney, MO

Average sunshine days - Olney, MO

The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index
Olney, MO

Average UV index - Olney, MO

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).

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Average visibility
Olney, MO

Average visibility - Olney, MO

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).

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Olney, Missouri, USA

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