Climate and monthly weather forecastAtchison, KS
Climate and monthly weather forecast
The climate of Atchison
Atchison, Kansas, USA is characterized by a Humid continental climate, with no dry season and hot summers, classified as Dfa in the Köppen climate classification. Situated in the north-eastern Kansas, Atchison sits on the border of two climatic zones, thus experiencing an intriguing interplay of weather patterns throughout the year.Temperature fluctuations are a frequent occurrence, with a substantial difference observed from the lowest readings in winter, close to 21.2°F (-6°C), to the peak values in summer around 86.4°F (30.2°C). Humidity remains relatively constant during the year, hovering near 74% in January and dropping slightly to 72% in April and March. Yet, an observable elevation is visible, peaking at 78% in May and June.
Precipitation in Atchison varies, with rainfall recorded every month. A noticeable increase is disclosed from the start of the year; 0.79" (20mm) in January, going up to 3.58" (91mm) in May. Likely due to warming temperatures, snowfall decreases from 2.28" (58mm) in January to non-existent levels from June to September, only to pick up again from October.
A distinguishing quality of Atchison's climate could be the sustained daylight hours into summer, with June topping at 14.9 hours. While July shares the maximum average of 10.3 sunshine hours with June, there are more sunshine days reported in November; 22.1. Athinson experiences a moderate UV Index, fluctuating from 2 in cooler months to 6 in warmer months.
The best time to visit Atchison
From late spring to early autumn, between May and September, makes for an excellent time for visiting Atchison. Temperatures are warm yet comfortable, ranging from 72.5°F (22.5°C) in May to the peak of 86.4°F (30.2°C) in July. Humidity levels remain relatively stable, with slight increases noticed in the middle of this period.Rainfall is a highlight; peaking at 3.58" (91mm) in May and plateauing at a slightly lesser 3.15" (80mm) in July. Nonetheless, it offers a refreshing balance to the warming weather. Sunshine hours average a high of 10.3 in July, accompanied by longer daylight hours; a rewarding ingredient for sightseeing and outdoor activities.
The worst time to visit Atchison
Months from late autumn into early winter, between November and February stand least preferred for visiting Atchison. During this period, temperatures dip sharply from 51.6°F (10.9°C) in November to a minimum of 21.2°F (-6°C) in January. Snowfall tends to surge from 0.55" (14mm) in November to 2.28" (58mm) in January, paired with the shortest daylight hours at 9.8 in January, leading to harsh climatic conditions unsuitable for tourism.Spring weather in Atchison
Spring in Atchison, from March to May, delineates a pleasant climate. Temperatures escalate steadily, from 53.2°F (11.8°C) in March to 72.5°F (22.5°C) in May. Precipitation levels reach their highest in May, offering 3.58" (91mm) of rainfall. Daylight hours extend up to roughly 14.4 hours in May, granting extended opportunities for outdoor enjoyment.Summer weather in Atchison
Summer reigns from June to August in Atchison. This season displays high temperatures, reaching up to 86.4°F (30.2°C) in July. Precipitation remains consistent, with rainfall hovering around 3.07" (78mm) in June and reducing slightly by August. The favorable mutation of daylight, sunshine hours, and average temperatures make it the optimal season for outdoor activities.Autumn weather in Atchison
Autumn in Atchison, spanning from September to November, showcases temperatures dipping from 78.3°F (25.7°C) to 51.6°F (10.9°C), providing a soothing relief after the summer's heat. Rainfall sees a consistent decrease during fall, going down to the year's low of 0.91" (23mm) in November. Daylight hours reduce gradually, signaling the season's changing dynamics.Winter weather in Atchison
Winter in Atchison, from December through February, is brisk and chilly with a pronounced drop in temperatures to 21.2°F (-6°C) in January. Snowfall typically peaks in January with 2.28" (58mm). The limited daylight hours, which dip to a yearly low of 9.4 hours in December, couple with the cold to create a less hospitable environment for outdoor activities.Weather in January
Exhibiting a chilly demeanor, January in Atchison, Kansas kicks off the year with predominantly freezing temperatures. From the lowest to the highest, the temperature range stays within 21.2°F (-6°C) and 36°F (2.2°C), indicating the arrival of a frigid Kansas winter. Weather in January »Weather in February
As winter progresses, the slightly warmer but still freezing weather in February continues to paint Atchison, Kansas with a typically cold picture. Notable is the marginal increase in ever-present snowfall, accumulating 2.56" (65mm) this month. Weather in February »Weather in March
March in Atchison, Kansas, is characterized by a transition from frosty winter to the beginnings of spring, offering more pleasant weather. The winter snow tends to recede, totaling just 0.87" (22mm), paving way for slightly warmer temperatures. Weather in March »Weather in April
April showers bring May flowers, and this phrase aptly describes Atchison, Kansas's weather in this month. The rainfall peaks at 2.4" (61mm), indicating the city's shift into the full bloom of springtime. Nature lovers find great joy in exploring the blossoming colors brought about by the spring season, with the warming temperatures making outdoor excursions more inviting. Weather in April »Weather in May
In May, the weather in Atchison, Kansas, typically shows the full arrival of spring, characterized by pleasant temperatures and lush landscapes. Rainfall measures at its peak, reaching 3.58" (91mm), ensuring abundant greenery in the region. Weather in May »Weather in June
June in Atchison, Kansas, exhibits the region's arrival into the full swing of summer, with the weather defined by heat and humidity. The highest temperature clocks in at 83.5°F (28.6°C), making it the hottest month thus far in the year. Weather in June »Weather in July
July is the pinnacle of the summer season in Atchison, Kansas, highlighted by soaring temperatures and lengthy daylight hours. With its highest temperature touching 86.4°F (30.2°C), it firmly takes the title as the hottest month of the year. Weather in July »Weather in August
August weather in Atchison, Kansas, continues the summer's heat but shows the first signs of an approaching fall. It records the lowest wind speed at 6.6mph (10.6km/h) which brings stillness, typifying the dog days of summer. The slightly shortened daylight hours serve as a subtle reminder of the approaching change of season. Weather in August »Weather in September
September in Atchison, Kansas, sees the charm of fall begin to unfold, bringing a moderate change in the city's weather. The lack of snowfall, combined with the decrease in daylight hours, signals the slow retirement of summer. Weather in September »Weather in October
October in Atchison, Kansas, is the heart of the fall season, characterized by cooling temperatures and a regular rainfall pattern. The landscape transforms as leaves turn a array of vibrant colors, drawing tourists and locals outdoors to admire the display. Weather in October »Weather in November
November weather in Atchison, Kansas, is a prelude to winter, with the fall's vibrant hues gradually giving way to a muted palette. Notably, the first measurable snowfall of 0.55" (14mm) records this month, reminding locals of the winter looming just around the corner. Weather in November »Weather in December
Atchison, Kansas, ends the year wrapped in the cold embrace of winter with December weather reporting primarily freezing temperatures. The city records a significant increase in snowfall accumulation, reaching 1.1" (28mm), painting landscapes in a serene coat of white. Weather in December »Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Atchison's coldest month, January, registers temperatures that range from a high of 36°F (2.2°C) to a low of 21.2°F (-6°C).
January is the month with the least rainfall. Rain falls for 3.7 days and accumulates 0.79" (20mm) of precipitation.
In Atchison, during the entire year, the rain falls for 125.3 days and collects up to 23.94" (608mm) of precipitation.
January through May, October through December are months with snowfall.
Throughout the year, there are 19.9 snowfall days, and 7.87" (200mm) of snow is accumulated.
With an average of 5.1h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 5.7 days and typically aggregates up to 2.56" (65mm) of snow.
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.
The months with the highest humidity in Atchison are May and June, with an average relative humidity of 78%.
The month with the most rainfall is May, when the rain falls for 15.9 days and typically aggregates up to 3.58" (91mm) of precipitation.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
In Atchison, snow does not fall in June through September.
June has the longest days of the year in Atchison, with an average of 14h and 54min of daylight.
The months with the most sunshine are June and July, with an average of 10.3h of sunshine.
July, marked by an average high-temperature of 86.4°F (30.2°C) and a low-temperature of 68.2°F (20.1°C), is the warmest month.
The months with the lowest humidity are October and November, with an average relative humidity of 69%.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Atchison, KS
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure
Atchison, KS
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Atchison, KS
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.9mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Atchison, KS
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall
Atchison, KS
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
1.77" - Average rainfall in April:
2.4" - Average rainfall in May:
3.58" - Average rainfall in June:
3.07"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.6" - Average rainfall in September:
2.09" - Average rainfall in October:
1.85" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Atchison, KS
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
13.6 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall
Atchison, KS
- Average snowfall in January:
2.28" - Average snowfall in February:
2.56" - Average snowfall in March:
0.87" - Average snowfall in April:
0.12" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Atchison, KS
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.6 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Atchison, KS
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 36min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Atchison, KS
- Average sunshine days in January:
22 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
16 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
14.2 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (12.6 days).
Average UV index
Atchison, KS
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Atchison, KS
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
Atchison, 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).
