Climate and monthly weather forecast
Portis, KS

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Weather in January

January, like December, in Portis, Kansas, is a wintry winter month, with an average temperature varying between 39.9°F (4.4°C) and 23.9°F (-4.5°C). January, having an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 23.9°F (-4.5°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Portis, is a chilly month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 43.3°F (6.3°C). Portis's February reports an average high-temperature of a chilly 43.3°F (6.3°C), exhibiting a minor difference from January. Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Portis, Kansas, with an average temperature ranging between max 56.7°F (13.7°C) and min 36.9°F (2.7°C). The shift into March brings an increase in the average high-temperature, moving from a chilly 43.3°F (6.3°C) in February to a refreshing 56.7°F (13.7°C). Weather in March »

Weather in April

April in Portis, Kansas, is a refreshing spring month, with an average temperature ranging between min 44.2°F (6.8°C) and max 65.5°F (18.6°C). Portis's transition into April is noticed by a slight rise in the average high-temperature, advancing from 56.7°F (13.7°C) in March to a still refreshing 65.5°F (18.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Portis, Kansas, with an average temperature varying between 54.3°F (12.4°C) and 74.3°F (23.5°C). The commencement of May sees a minor shift in the average high-temperature, moving from a refreshing 65.5°F (18.6°C) in April to a moderately hot 74.3°F (23.5°C). Weather in May »

Weather in June

June, the first month of the summer in Portis, is a hot month, with an average temperature fluctuating between 88.5°F (31.4°C) and 67.5°F (19.7°C). June's arrival sees a rise in the average high-temperature, jumping from May's moderately hot 74.3°F (23.5°C) to a hot 88.5°F (31.4°C). Weather in June »

Weather in July

July, the same as June, in Portis, Kansas, is another tropical summer month, with an average temperature ranging between max 92.5°F (33.6°C) and min 70.5°F (21.4°C). In Portis, the average temperatures in July are the highest, with a peak at 92.5°F (33.6°C) and a low of 70.5°F (21.4°C). July's average heat index is evaluated at a blistering 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Portis, Kansas, with an average temperature varying between 89.8°F (32.1°C) and 67.3°F (19.6°C). The onset of August brings with it an average high-temperature of a still hot 89.8°F (32.1°C), showing a negligible variation from the month before. Weather in August »

Weather in September

September, the first month of the autumn in Portis, is still a warm month, with an average temperature fluctuating between 81.3°F (27.4°C) and 60.6°F (15.9°C). September marks a gentle change in average high-temperature, declining from August's tropical 89.8°F (32.1°C) to a warm 81.3°F (27.4°C). Weather in September »

Weather in October

October, like September, in Portis, Kansas, is another refreshing autumn month, with an average temperature fluctuating between 48°F (8.9°C) and 66.4°F (19.1°C). The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from a warm 81.3°F (27.4°C) to a comfortable 66.4°F (19.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Portis, is also a fresh month, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 36°F (2.2°C). The decrease of average high-temperatures is mild in November, with a decline from an enjoyable 66.4°F (19.1°C) in October to a fresh 54°F (12.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Portis, Kansas, with an average temperature fluctuating between 25.5°F (-3.6°C) and 40.6°F (4.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a cool 54°F (12.2°C) in November to an icy 40.6°F (4.8°C). Weather in December »
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January, with average temperatures reaching a high of 39.9°F (4.4°C) and a low of 23.9°F (-4.5°C), is the coldest month.

What is the most humid month?

January and December, with an average relative humidity of 69%, are most humid months.

What is the driest month?

January is the month with the least rainfall in Portis, Kansas. Rain falls for 3.8 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain?

Throughout the year, there are 110.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 22.6 snowfall days, and 8.5" (216mm) of snow is accumulated.

When is the lowest UV index?

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

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 6.3 days and accumulates 2.2" (56mm) of snow.

When is Daylight Saving Time (DST) in Portis?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Portis, Kansas, 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 rainiest month?

The month with the most rainfall is May, when the rain falls for 14.4 days and typically aggregates up to 3.74" (95mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What month has the most sunshine?

The month with the most sunshine is June, with an average of 11.2h of sunshine.

What are the months with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What time of the year is the hottest?

Temperature readings in Portis reach their annual highs in July, averaging 92.5°F (33.6°C) and a minimum average of 70.5°F (21.4°C).

What is the least humid month?

July is the least humid month, with an average relative humidity of 57%.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 6h of sunshine, December has the least sunshine of the year.

Average temperature
Portis, KS

Average temperature - Portis, KS

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure
Portis, KS

Average pressure - Portis, KS

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Portis, KS

Average wind speed - Portis, KS

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

Average humidity
Portis, KS

Average humidity - Portis, KS

The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).

Average rainfall
Portis, KS

Average rainfall - Portis, KS

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days
Portis, KS

Average rainfall days - Portis, KS

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).

Average snowfall
Portis, KS

Average snowfall - Portis, KS

The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Portis, KS

Average snowfall days - Portis, KS

The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Portis, KS

Average daylight / Average sunshine - Portis, 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 month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days
Portis, KS

Average sunshine days - Portis, KS

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).

Average UV index
Portis, KS

Average UV index - Portis, KS

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

Average visibility
Portis, KS

Average visibility - Portis, 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).

Portis, Kansas, USA

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