Climate and monthly weather forecast
Ottawa, KS

Weather in January

January, like December, in Ottawa, Kansas, is another cold winter month, with an average temperature fluctuating between 38.8°F (3.8°C) and 23.9°F (-4.5°C). January is the coldest month, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 23.9°F (-4.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Ottawa, Kansas, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 42.4°F (5.8°C). In Ottawa, the average high-temperature in February is relatively the same as in January - a still wintry 42.4°F (5.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Ottawa, Kansas, with an average temperature varying between 55°F (12.8°C) and 38.3°F (3.5°C). In March, the average high-temperature rises from a wintry 42.4°F (5.8°C) in February to a cool 55°F (12.8°C). Weather in March »

Weather in April

April in Ottawa, Kansas, is an enjoyable spring month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 46.6°F (8.1°C). In April, the average high-temperature increases from a cool 55°F (12.8°C) in March to a comfortable 64.8°F (18.2°C). Weather in April »

Weather in May

May, the last month of the spring in Ottawa, is an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 55.9°F (13.3°C). In May, the average high-temperature slightly increases from an enjoyable 64.8°F (18.2°C) in April to a pleasant 73°F (22.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Ottawa, Kansas, with an average temperature ranging between min 66.7°F (19.3°C) and max 83.8°F (28.8°C). In Ottawa, the average high-temperature in June increases from a pleasant 73°F (22.8°C) in May to a moderately hot 83.8°F (28.8°C). Weather in June »

Weather in July

July in Ottawa, Kansas, is a tropical summer month, with temperature in the range of an average low of 68.9°F (20.5°C) and an average high of 87.4°F (30.8°C). The warmest month is July, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.9°F (20.5°C). In July, the average heat index is estimated at a sweltering 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Ottawa, Kansas, with an average temperature varying between 66.2°F (19°C) and 85.3°F (29.6°C). In August, the average high-temperature is relatively the same as in July - a warm 85.3°F (29.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Ottawa, is still a warm month, with an average temperature varying between 78.8°F (26°C) and 60.1°F (15.6°C). In September, the average high-temperature slightly decreases from a warm 85.3°F (29.6°C) in August to a still moderately hot 78.8°F (26°C). Weather in September »

Weather in October

October, like September, in Ottawa, Kansas, is another comfortable autumn month, with an average temperature fluctuating between 66°F (18.9°C) and 48.2°F (9°C). In October, the average high-temperature decreases from a warm 78.8°F (26°C) in September to an enjoyable 66°F (18.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Ottawa, is another cool month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 53.6°F (12°C). In Ottawa, the average high-temperature in November drops from an enjoyable 66°F (18.9°C) in October to a fresh 53.6°F (12°C). Weather in November »

Weather in December

December, the first month of the winter in Ottawa, is still a cold month, with an average temperature ranging between min 28.4°F (-2°C) and max 41.7°F (5.4°C). In Ottawa, the average high-temperature in December drops from a cool 53.6°F (12°C) in November to a wintry 41.7°F (5.4°C). Weather in December »
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FAQ

What is the coldest month in Ottawa?

The coldest month in Ottawa is January, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 23.9°F (-4.5°C).

What is the driest month in Ottawa?

January is the month with the least rainfall in Ottawa. Rain falls for 4.7 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in Ottawa?

In Ottawa, Kansas, during the entire year, the rain falls for 126.9 days and collects up to 23.5" (597mm) of precipitation.

When does it snow in Ottawa?

January through April, October through December are months with snowfall in Ottawa.

How much does it snow in Ottawa?

Throughout the year, there are 14 snowfall days, and 6.38" (162mm) of snow is accumulated.

What is the month with the least sunshine in Ottawa?

The month with the least sunshine is January, with an average of 5.4h of sunshine.

What is the month with the lowest UV index in Ottawa?

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

What is the snowiest month in Ottawa?

The month with the most snowfall is February, when snow falls for 4.4 days and typically aggregates up to 2.28" (58mm) of snow.

When is Daylight Saving Time (DST) in Ottawa?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Ottawa?

With an average relative humidity of 79%, May is the most humid month.

What is the rainiest month in Ottawa?

The month with the most rainfall in Ottawa, Kansas, is May, when the rain falls for 16.7 days and typically aggregates up to 4.25" (108mm) of precipitation.

When it does not snow in Ottawa?

In Ottawa, snow does not fall in May through September.

When are the longest days in Ottawa?

With an average of 14h and 49min of daylight, June has the longest days of the year.

What month has the most sunshine in Ottawa?

June has the most sunshine of the year in Ottawa, Kansas, with an average of 10.7h of sunshine.

What is the month with the highest UV index in Ottawa?

With an average maximum UV index of 7, June is the month with the highest UV index in Ottawa.

What is the warmest month in Ottawa?

July is the warmest month, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.9°F (20.5°C).

What are the least humid months in Ottawa?

October and November, with an average relative humidity of 69%, are the least humid months in Ottawa, Kansas.

What is the month with the shortest days in Ottawa?

With an average of 9h and 31min of daylight, December has the shortest days of the year.

Average temperature
Ottawa, KS

Average temperature - Ottawa, KS

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.8°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure
Ottawa, KS

Average pressure - Ottawa, KS

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Ottawa, KS

Average wind speed - Ottawa, KS

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity
Ottawa, KS

Average humidity - Ottawa, KS

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).

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Average rainfall
Ottawa, KS

Average rainfall - Ottawa, KS

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days
Ottawa, KS

Average rainfall days - Ottawa, KS

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is December (4.5 days).

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Average snowfall
Ottawa, KS

Average snowfall - Ottawa, KS

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Ottawa, KS

Average snowfall days - Ottawa, KS

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Ottawa, KS

Average daylight / Average sunshine - Ottawa, KS

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 31min).

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days
Ottawa, KS

Average sunshine days - Ottawa, KS

The months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is May (12.7 days).

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Average visibility
Ottawa, KS

Average visibility - Ottawa, KS

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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