Climate and monthly weather forecast
Denison, KS

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Weather in January

January, the same as December, is an icy winter month in Denison, Kansas, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 36.3°F (2.4°C). With average high temperatures of 36.3°F (2.4°C) and lows of 21.6°F (-5.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Denison, Kansas, with an average temperature ranging between max 39.9°F (4.4°C) and min 24.8°F (-4°C). Denison measures an average high-temperature of a still icy 39.9°F (4.4°C) in February, nearly consistent with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Denison, Kansas, with an average temperature fluctuating between 36.7°F (2.6°C) and 53.2°F (11.8°C). The shift into March is marked by a rise in the average high-temperature, moving from February's cold 39.9°F (4.4°C) to a cool 53.2°F (11.8°C). Weather in March »

Weather in April

April in Denison, Kansas, is a refreshing spring month, with an average temperature varying between 63.5°F (17.5°C) and 45°F (7.2°C). In Denison, stepping into April brings a temperature increase, moving up from March's cool 53.2°F (11.8°C) to a comfortable 63.5°F (17.5°C). Weather in April »

Weather in May

May, the last month of the spring in Denison, is an agreeable month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 72.5°F (22.5°C). With the onset of May, Denison sees a temperature rise, with the average high-temperature moving from April's comfortable 63.5°F (17.5°C) to an agreeable 72.5°F (22.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Denison, Kansas, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 65.8°F (18.8°C). The beginning of June marks a shift in the average high-temperature, moving from May's agreeable 72.5°F (22.5°C) to a warm 83.8°F (28.8°C). Weather in June »

Weather in July

July in Denison, Kansas, is a hot summer month, with an average temperature fluctuating between 68.4°F (20.2°C) and 86.5°F (30.3°C). The month of July sees the highest average temperatures, reaching 86.5°F (30.3°C) at the peak and 68.4°F (20.2°C) at the low. During July, the heat index is computed to be a very hot 98.6°F (37°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Denison, Kansas, with an average temperature ranging between min 65.5°F (18.6°C) and max 85.1°F (29.5°C). The start of August sees the average high-temperature at a moderately hot 85.1°F (29.5°C), showing little difference from July's 86.5°F (30.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Denison, is still a warm month, with an average temperature fluctuating between 78.4°F (25.8°C) and 59.2°F (15.1°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 85.1°F (29.5°C) in August to a still moderately hot 78.4°F (25.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Denison, Kansas, with an average temperature ranging between min 47.3°F (8.5°C) and max 64.4°F (18°C). Denison's progression into October includes a drop in the average high-temperature, from a moderately hot 78.4°F (25.8°C) in September to a comfortable 64.4°F (18°C). Weather in October »

Weather in November

November, the last month of the autumn in Denison, is another cool month, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 51.8°F (11°C). November's onset brings a reduction in the average high-temperature, from an enjoyable 64.4°F (18°C) in October to a fresh 51.8°F (11°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Denison, Kansas, with an average temperature ranging between max 39.6°F (4.2°C) and min 25.7°F (-3.5°C). The onset of December results in a decrease in the average high-temperature, receding from a fresh 51.8°F (11°C) in November to a cold 39.6°F (4.2°C). Weather in December »

Frequently asked questions

What is the coldest month in Denison?

January, with its average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 21.6°F (-5.8°C), holds the record as the coldest month.

What is the driest month?

January and December are months with the least rain in Denison when the rain falls for 3.5 days and typically aggregates up to 0.51" (13mm) of rain.

How many days does it rain in Denison?

In Denison, during the entire year, the rain falls for 111.2 days and collects up to 18.23" (463mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

In Denison, during the entire year, snow falls for 18.4 days and aggregates up to 6.1" (155mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5.2h of sunshine.

What is the month with the lowest UV index?

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?

The month with the most snowfall is February, when snow falls for 4.8 days and typically aggregates up to 1.85" (47mm) of snow.

When is Daylight Saving Time (DST)?

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?

The months with the highest humidity are May and June, with an average relative humidity of 77%.

What is the rainiest month in Denison?

May is the month with the most rainfall. Rain falls for 14.5 days and accumulates 2.8" (71mm) of precipitation.

When it does not snow?

In Denison, snow does not fall in June through September.

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What are the months with the most sunshine?

The months with the most sunshine are June and July, with an average of 10.4h of sunshine.

When is the highest UV index?

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

What is the warmest month?

The average temperatures reach their apex in July, averaging 86.5°F (30.3°C) at the high end and 68.4°F (20.2°C) at the low end.

What are the least humid months?

October and November, with an average relative humidity of 68%, are the least humid months.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Denison, KS

Average temperature - Denison, KS

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.3°F).

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure
Denison, KS

Average pressure - Denison, KS

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed
Denison, KS

Average wind speed - Denison, KS

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity
Denison, KS

Average humidity - Denison, KS

The months with the highest relative humidity are May and June (77%).
The months with the lowest relative humidity are October and November (68%).

Average rainfall
Denison, KS

Average rainfall - Denison, KS

The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are January and December (0.51").

Average rainfall days
Denison, KS

Average rainfall days - Denison, KS

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (3.5 days).

Average snowfall
Denison, KS

Average snowfall - Denison, KS

The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Denison, KS

Average snowfall days - Denison, KS

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Denison, KS

Average daylight / Average sunshine - Denison, KS

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 24min).

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days
Denison, KS

Average sunshine days - Denison, KS

The month with the most sunshine days is December (24.1 days).
The month with the least sunshine days is May (13.5 days).

Average UV index
Denison, KS

Average UV index - Denison, KS

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Denison, KS

Average visibility - Denison, 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).

Denison, Kansas, USA

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