Climate and monthly weather forecast
Saint John, KS

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Weather in January

January, like December, is a frosty winter month in Saint John, Kansas, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 26.1°F (-3.3°C). During January and December, Saint John registers its lowest temperatures, averaging a high of 43.3°F (6.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Saint John, Kansas, with an average temperature varying between 27.9°F (-2.3°C) and 46.2°F (7.9°C). February brings an average high-temperature of a still chilly 46.2°F (7.9°C), showing a slight difference from January's 43.3°F (6.3°C). Weather in February »

Weather in March

March, the first month of the spring in Saint John, is a refreshing month, with an average temperature fluctuating between 58.5°F (14.7°C) and 38.1°F (3.4°C). A shift in the average high-temperature is noticeable in March, changing from a chilly 46.2°F (7.9°C) in February to a moderate 58.5°F (14.7°C). Weather in March »

Weather in April

April is an enjoyable spring month in Saint John, Kansas, with an average temperature varying between 45.7°F (7.6°C) and 67.1°F (19.5°C). A soft shift in the average high-temperature is noticeable in April, transitioning from a mild 58.5°F (14.7°C) in March to an enjoyable 67.1°F (19.5°C). Weather in April »

Weather in May

May, the last month of the spring in Saint John, is a warm month, with an average temperature varying between 75.7°F (24.3°C) and 55°F (12.8°C). The onset of May marks a slight increase in the average high-temperature, moving from a comfortable 67.1°F (19.5°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »

Weather in June

June, the first month of the summer in Saint John, is a hot month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 68.4°F (20.2°C). With the beginning of June, Saint John's average high-temperature sees an increase, transitioning from a warm 75.7°F (24.3°C) in May to a tropical 90.1°F (32.3°C). Weather in June »

Weather in July

July, the same as June, in Saint John, Kansas, is another hot summer month, with an average temperature fluctuating between 71.2°F (21.8°C) and 92.7°F (33.7°C). In Saint John, temperatures reach their average annual highs in July, measuring 92.7°F (33.7°C) and a minimum average of 71.2°F (21.8°C). In July, the average heat index is estimated at an extremely hot 104°F (40°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Saint John, Kansas, with an average temperature ranging between max 90.1°F (32.3°C) and min 67.8°F (19.9°C). As August takes hold, the average high-temperature is a still tropical 90.1°F (32.3°C), nearly mirroring that of the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Saint John, is still a warm month, with an average temperature varying between 61.7°F (16.5°C) and 81.9°F (27.7°C). Saint John experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 90.1°F (32.3°C) in August to a warm 81.9°F (27.7°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Saint John, Kansas, with an average temperature varying between 67.6°F (19.8°C) and 48.4°F (9.1°C). Saint John in October undergoes a mild reduction in the average high-temperature, shifting from September's moderately hot 81.9°F (27.7°C) to a refreshing 67.6°F (19.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Saint John, Kansas, with an average temperature fluctuating between 55.6°F (13.1°C) and 36.7°F (2.6°C). November's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 67.6°F (19.8°C) in October to a mild 55.6°F (13.1°C). Weather in November »

Weather in December

December, the first month of the winter in Saint John, is still a chilly month, with an average temperature ranging between max 43.3°F (6.3°C) and min 27.5°F (-2.5°C). Saint John's coldest months, January and December, record an average high-temperature of 43.3°F (6.3°C). Weather in December »
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Saint John's coldest season falls during January and December, averaging a high-temperature of 43.3°F (6.3°C).

What is the driest month?

January is the month with the least rainfall in Saint John, Kansas. Rain falls for 3.7 days and accumulates 0.63" (16mm) of precipitation.

How much does it rain?

Throughout the year, there are 100.8 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 19.9 snowfall days, and 8.7" (221mm) of snow is accumulated.

What is the month with the least sunshine?

January and December, with an average of 6.3h of sunshine, are months with the least sunshine in Saint John.

What are the months with the lowest UV index?

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

When does it snow the most?

February is the month with the most snowfall in Saint John. Snow falls for 5.6 days and accumulates 2.87" (73mm) 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 wettest month?

The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 3.23" (82mm) of precipitation.

When it does not snow?

In Saint John, snow does not fall in May through September.

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 11.5h of sunshine.

What is the month 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 is the hottest time of year in Saint John?

Saint John's warmest temperatures are experienced in July, with average high temperatures of 92.7°F (33.7°C) and lows of 71.2°F (21.8°C).

What is the least humid month?

July is the least humid month, with an average relative humidity of 56%.

What is the most humid month?

The most humid month is December, with an average relative humidity of 65%.

What is the month with the shortest days?

The month with the shortest days in Saint John, Kansas, is December, with an average of 9h and 36min of daylight.

Average temperature
Saint John, KS

Average temperature - Saint John, KS

The warmest month (with the highest average high temperature) is July (92.7°F).
The months with the lowest average high temperature are January and December (43.3°F).

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure
Saint John, KS

Average pressure - Saint John, KS

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Saint John, KS

Average wind speed - Saint John, KS

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

Average humidity
Saint John, KS

Average humidity - Saint John, KS

The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is July (56%).

Average rainfall
Saint John, KS

Average rainfall - Saint John, KS

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days
Saint John, KS

Average rainfall days - Saint John, KS

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (3.7 days).

Average snowfall
Saint John, KS

Average snowfall - Saint John, KS

The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Saint John, KS

Average snowfall days - Saint John, KS

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Saint John, KS

Average daylight / Average sunshine - Saint John, KS

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 6h and 18min).

Average sunshine days
Saint John, KS

Average sunshine days - Saint John, KS

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (13.8 days).

Average UV index
Saint John, KS

Average UV index - Saint John, KS

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

Average visibility
Saint John, KS

Average visibility - Saint John, 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).

Saint John, Kansas, USA

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