Climate and monthly weather forecastDerby, KS
Climate and monthly weather forecast
The climate of Derby
Located in the heart of the United States, Derby, Kansas, experiences a Humid subtropical climate (Cfa according to the Köppen climate classification). This type of climate manifests an absence of a well-defined dry season coupled with a hot summer. Derby weather gravitates towards specific patterns across the year, with intermittent rainfall, sunshine, wind, and subtle temperature fluctuations.Temperature highs in this city range from 43.3°F (6.3°C) in January to 91.9°F (33.3°C) in July, while temperature lows vary from 26.6°F (-3°C) in January to 72.3°F (22.4°C) in July. On the higher end of the scale, July records the loftiest figures, both for temperature highs and lows, presenting the warmest month in Derby. Relative humidity sees a slight difference throughout the year, with May hitting the peak at 73% and the lowest recorded in July at 62%. This minor variation marks a relatively stable humidity level throughout the year.
Rainfall in Derby follows a distinct pattern, with the heaviest precipitation occurring in May, recording a downpour of 4.65" (118mm) on average. Meanwhile, the driest months are January and December, both below 1 inch of rainfall. Snowfall, although not a defining component of the climate, features predominantly in the winter months, from December to February, measuring up to 2.28" (58mm) in February.
The best time to visit Derby
When choosing a suitable time to visit Derby, consideration of weather conditions is fundamental. Based on the climate data, May to August emerges as the best time for outdoor and touristic activities. During these months, Derby experiences an average high temperature range from 75.4°F (24.1°C) to 91.9°F (33.3°C), quite conducive for exploring the city's attractions. Furthermore, this period displays a generous amount of sunshine, with the highest occurring in July, lasting an average of 11 hours per day.The worst time to visit Derby
In contrast, the least favorable time to visit Derby would be the colder months, especially January with an average low temperature of 26.6°F (-3°C) coupled with the least amount of sunshine, a sparse 6.1 hours in a day. In addition, early in the year, the city often encounters snowfall, further restricting outdoor activities.Spring weather in Derby
Derby's springtime, from March to May, observes a substantial increase in temperature. The temperature gradually escalates, starting with an average high temperature of 58.3°F (14.6°C) in March, culminating at 75.4°F (24.1°C) in May. Accompanying this transition is an increase in rainfall, with May being the wettest month at 4.65" (118mm). However, visitors can still enjoy long daylight hours and modest sunshine, extending between 12 hours and 14.2 hours in the day, and 7.4 hours and 9.3 hours of sun, respectively.Summer weather in Derby
Summer months in Derby, from June to August, are characterized by high temperatures with average highs hovering between 88.3°F (31.3°C) to 91.9°F (33.3°C). While rain does make its presence felt during this period, it is much less in comparison to the spring months. Sunshine is at its best during this time, with July witnessing the maximum, an impressive 11 hours per day, allowing residents and tourists plenty of daylight for outdoor activities.Autumn weather in Derby
Autumn in Derby, from September to November, brings pleasant weather as temperatures gradually decrease from an average high of 81.9°F (27.7°C) in September down to 55.9°F (13.3°C) in November. While the fall season experiences a few bouts of rainfall, they are largely manageable, with precipitation dwindling from 2.13" (54mm) in September to less than one inch in November.Winter weather in Derby
Winter months, namely December to February, are the coldest in Derby, with average high temperatures falling between 43.3°F (6.3°C) to 44.2°F (6.8°C) and lows reaching towards 26.6°F (-3°C) in January. Snowfall during these months may prove to be a key attraction, as the city encounters snow peaks in February at 2.28" (58mm), despite mild overall snowfall figures. The colder weather sees shorter daylight periods hovering around 9.9 hours to 10.2 hours, and a reduction in the number of sunshine hours to approximately 6 hours a day.Weather in January
January registers as the coldest month in Derby, Kansas, with the lowest temperature dipping to 26.6°F (-3°C) and the highest barely breaching 43.3°F (6.3°C). Bright winter sunshine prevails for 6.1 hours a day, while gusty winds whip across the landscape at an average speed of 10.8mph (17.4km/h). Weather in January »Weather in February
In February, the poignant chill of winter transitions towards an early spring. The temperature range extends from 29.3°F (-1.5°C) to 46°F (7.8°C), marking a mild escalation from January. Clear skies offer uninterrupted view for six hours every day. Weather in February »Weather in March
Derby, Kansas, experiences a notable shift in climate as March ushers in warmer temperatures. While the mercury fluctuates between 40.3°F (4.6°C) and 58.3°F (14.6°C), this remains an appreciated upswing from the icy bleakness of the earlier months. Weather in March »Weather in April
April in Derby is characterized by a strong surge in temperatures, stretching from 47.5°F (8.6°C) to 66.9°F (19.4°C). Cloud formations contract significantly compared to the preceding months, providing for an extended duration of sunshine. Weather in April »Weather in May
The weather in May signals an unmistakable transition to summer in Derby, Kansas. Temperatures range from 57°F (13.9°C) to a considerable 75.4°F (24.1°C) high. Rain is abundantly prevalent in May, with the month receiving 4.65" (118mm) of rainfall, the highest in the year. Weather in May »Weather in June
June marks the advent of summer, with the mercury stretching from 69.1°F (20.6°C) to a scorching 88.3°F (31.3°C). Rainfall decreases from May's peak but still stays relatively high, making for humid conditions. Sunshine dominates for 11.1 hours a day on average, with nearly 15 sunlit days in the month. Weather in June »Weather in July
July is the hottest month in Derby, Kansas, with temperatures oscillating from 72.3°F (22.4°C) to 91.9°F (33.3°C), thereby constituting the peak of summer. The weather remains predominantly dry with almost non-existent snow showers. Weather in July »Weather in August
In August, Derby experiences a minor decline in temperatures, with the mercury hanging between 68.9°F (20.5°C) and 89.6°F (32°C). Keeping up with July patterns, snowfall continues to remain negligible. The duration of daily sunlight reduces slightly from the previous month, offering a hint of the encroaching fall. Weather in August »Weather in September
September in Derby, Kansas, ushers a decline in temperatures, with the mercury ranging from 62.8°F (17.1°C) to 81.9°F (27.7°C). The weather slowly changes form, with the warmth of the summer days gradually making way for chillier fall evenings. Weather in September »Weather in October
With temperatures varying from 50.4°F (10.2°C) to 68.4°F (20.2°C), October heralds the arrival of autumn in Derby. Rainfall takes a dip compared to September, with the environment becoming less humid. Average wind speed picks up, reaching 10.7mph (17.2km/h). Weather in October »Weather in November
November witnesses further drop in temperatures, swinging from 39°F (3.9°C) to 55.9°F (13.3°C), epitomizing the transition from autumn to winter. Despite the dip in temperatures, snowfall remains at less than one inch, accentuating the cold without blanket coverage. Weather in November »Weather in December
December is marked by the full return of winter, with temperatures recording lows of 29.3°F (-1.5°C) and highs of 44.2°F (6.8°C). Snowfall escalates slightly from November, covering Derby in a thin layer of white. Sunshine hours stay at just 6.2 per day, paving the way for longer, colder nights. Weather in December »Updated: Aug 11, 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
January, with its high-temperature average of 43.3°F (6.3°C) and a low-temperature average of 26.6°F (-3°C), is the coldest month.
The month with the least rainfall in Derby is January, when the rain falls for 4.4 days and typically collects 0.83" (21mm) of precipitation.
In Derby, during the entire year, the rain falls for 126.5 days and collects up to 25" (635mm) of precipitation.
January through May, October through December are months with snowfall.
In Derby, during the entire year, snow falls for 16.1 days and aggregates up to 6.57" (167mm) of snow.
The month with the least sunshine is January, with an average of 6.1h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 4.7 days and accumulates 2.28" (58mm) 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 most humid month is May, with an average relative humidity of 73%.
The month with the most rainfall is May, when the rain falls for 16.4 days and typically aggregates up to 4.65" (118mm) of precipitation.
In Derby, snow does not fall in June through September.
The month with the longest days is June, with an average of 14h and 42min of daylight.
June has the most sunshine of the year, with an average of 11.1h of sunshine.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
July, on average, is the warmest month, registering a high temperature of 91.9°F (33.3°C) and a low of 72.3°F (22.4°C).
July and October, with an average relative humidity of 62%, are the least humid months.
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Derby, KS
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (43.3°F).
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure
Derby, KS
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"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 (29.86"Hg).
Average wind speed
Derby, KS
- Average wind speed in January:
10.8mph - Average wind speed in February:
11.2mph - Average wind speed in March:
11.9mph - Average wind speed in April:
12.2mph - Average wind speed in May:
10.5mph - Average wind speed in June:
10.6mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
8.7mph - Average wind speed in September:
9.6mph - Average wind speed in October:
10.7mph - Average wind speed in November:
11.3mph - Average wind speed in December:
10.5mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity
Derby, KS
The month with the highest relative humidity is May (73%).
The months with the lowest relative humidity are July and October (62%).
Average rainfall
Derby, KS
- Average rainfall in January:
0.83" - Average rainfall in February:
0.94" - Average rainfall in March:
1.65" - Average rainfall in April:
2.36" - Average rainfall in May:
4.65" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.28" - Average rainfall in August:
3.27" - Average rainfall in September:
2.13" - Average rainfall in October:
2.44" - Average rainfall in November:
0.94" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days
Derby, KS
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
6.2 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.4 days).
Average snowfall
Derby, KS
- Average snowfall in January:
0.98" - Average snowfall in February:
2.28" - Average snowfall in March:
1.18" - Average snowfall in April:
0.2" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Derby, KS
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
2.1 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:
0.5 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Derby, KS
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
7h and 6min - Average sunshine in March:
7h and 24min - Average sunshine in April:
8h and 36min - Average sunshine in May:
9h and 18min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 18min - Average sunshine in December:
6h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days
Derby, KS
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
15 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
14.6 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.5 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
21.6 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.6 days).
Average UV index
Derby, 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 cloud cover
Derby, KS
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility
Derby, 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).
