Climate and monthly weather forecastDexter, MO
Climate and monthly weather forecast
The climate of Dexter
Dexter, Missouri, USA, sits squarely within the realm of a 'Humid subtropical, no dry season' climate according to the Köppen climate classification. This classification, termed as Cfa, largely influences the weather patterns experienced in the area throughout the year.An examination of the climate information reveals that Dexter experiences considerable variations in its weather parameters through the changing seasons. It extends from relatively cooler temperatures in the range of 29.5°F (-1.4°C) to 46.4°F (8°C) in the first quarter of the year, to the warmth of summer with temperatures reaching as high as 88.2°F (31.2°C). As autumn rolls in, temperatures start to plummet, finally settling between the winter averages of 34°F (1.1°C) to 46.4°F (8°C).
Precipitation in Dexter sees the highest rainfall from 1.42" (36mm), peaking in May, before dropping to 0.98" (25mm) in the height of summer and dripping down to 0.51" (13mm) by the end of the year in December. Snowfall, although minimal, does make a brief appearance peaking at 0.24" (6mm) in February and practically disappearing by the time spring makes its arrival.
Unique weather patterns occur in Dexter as it also experiences significant shifts in daylight hours, with the longest days in June offering 14.7 hours of daylight, decreasing to a yearly low of 9.7 hours in December.
The best time to visit Dexter
With an average high temperature hitting a comfortable 76.8°F (24.9°C) to 86.4°F (30.2°C) and low rainfall around 0.98" (25mm), the period from May to August proves to be an ideal time to visit Dexter. During these months, the weather provides enough sunshine, averaging between 9.4 hours to 10.8 hours a day, for outdoor activities and sightseeing.The worst time to visit Dexter
Dexter experiences its coldest temperatures from November to February, with averages dipping into the range of 29.5°F (-1.4°C) to 55.8°F (13.2°C). Coupled with a high chance of precipitation, with snowfall reaching up to 0.24" (6mm), the chilly and potentially damp conditions make this period less appealing for visitors.Spring weather in Dexter
Spring in Dexter shows a nice increase in temperature from an average low of 32.7°F (0.4°C) in February to a pleasant 67.8°F (19.9°C) by the end of April. Precipitation also increases during this period, with rainfall ranging from 0.79" (20mm) in February to a high of 1.3" (33mm) in April. Daylight gradually increases, spanning from 10.9 hours to 13.2 hours, offering more daylight hours for outdoor pursuits.Summer weather in Dexter
The summer months from May to August come with an increase in temperature, hitting a high of 88.2°F (31.2°C) and a low of 60.4°F (15.8°C). Precipitation sees a decline from 1.42" (36mm) in May to 0.98" (25mm) in August. Contributing to the appeal of summer is the generous sunshine averaging between 9.4 hours to 10.8 hours a day, coupled with the decrease in cloud cover to around 27%.Autumn weather in Dexter
Autumn ushers in a marked decrease in temperatures, with averages moving downwards from 81.7°F (27.6°C) in September to 46.4°F (8°C) by November. Rainfall decreases steadily from 0.47" (12mm) in September to 0.67" (17mm) in November, while daylight hours shorten, averaging from 12.4 hours to 10.2 hours.Winter weather in Dexter
Winter in Dexter, starting in December, brings cooler temperatures with the average high falling to 46.4°F (8°C) and lows settling around 29.5°F (-1.4°C). Rainfall averages around 0.51" (13mm). Daylight hits its annual low in December with an average of 9.7 hours, while cloud cover increases to around 45%, leading to fewer sunshine hours.Weather in January
January in Dexter, Missouri, offers cold winter conditions marked by freezing temperatures and marginal snowfall. Noteworthy is the relative humidity peaking at a high 74%. Transitioning from December, the weather conditions persist with a chilling average high temperature of 42.4°F (5.8°C). Weather in January »Weather in February
The weather in February continues its winter profile with temperatures remaining predominantly cold. However, a slight increase compared to January sets off a gentle warming trend with improved conditions for outdoor pursuits. Weather in February »Weather in March
March welcomes spring in Dexter, Missouri with milder temperatures and increased rainfall. Compared to February, the increase in overall temperature averages indicates a significant temperature shift. The largest jump in temperature, moving from a high of 46.6°F (8.1°C) in February to a more welcoming 57.2°F (14°C) in March, enhances outdoor enjoyment. Weather in March »Weather in April
In April, Dexter sees a further rise in temperatures, marking it as warmer than both February and March. The pleasant spring changes become more pronounced with extended hours of daylight. Notably, the strongest winds for the first half of the year with speeds reaching 9.1mph (14.6km/h) are prevalent. Weather in April »Weather in May
May is the doorway to summer with substantial temperature increases in Dexter. Moving into the warm season, temperatures and humidity levels rise compared to April, enhancing the distinct feel of summer. The sun stays up longer, providing golden hours stretching from May into June. Weather in May »Weather in June
June signals the onset of summer in Dexter with consistent heat and a fair amount of sunshine. It features the longest days with 14.7 daylight hours, providing ample time for outdoor adventures. From a standpoint of peak heat, temperatures escalate to a scorching average high of 86.4°F (30.2°C). Weather in June »Weather in July
The sultriness of July becomes evident in Dexter with consistently high humidity and temperatures. Following the thermal trend, July is marked as the hottest month with temperatures climbing to an average high of 88.2°F (31.2°C). Weather in July »Weather in August
August ushers in the tail end of summer in Dexter with persistent hot conditions and extended daylight hours. Comparatively, the temperature remains nearly consistent with July, though a small decrease in the average high can be spotted. Weather in August »Weather in September
September brings a welcoming relief for those exhausted by the previous months' heat. Dexter experiences a swifter cooling trend, with highs dropping down to average highs of 81.7°F (27.6°C). This replacement of the stifling summer heat with milder temperatures signifies the onset of autumn. Weather in September »Weather in October
October in Dexter is characterized by a further decrease in temperatures, celebrating the full swing of fall season. Following on September's coattails, the weather cools down with autumn clearly etched in the monthly pattern. Notably, the strongest winds for the second half of the year pose a significant change, reaching speeds of 7.8mph (12.6km/h). Weather in October »Weather in November
As Dexter transitions into November, the temperatures continue their downward trend. In comparison with October, the daytime high temperatures fall further, consistent with the approaching winter. The cold yet dry air is heralding the advent of the winter season. Weather in November »Weather in December
December announces the full arrival of winter in Dexter with colder temperatures and shorter days. Following November's example, December witnesses further decline in temperatures. Sealing the year, December kisses the frost with average high temperatures falling to 46.4°F (8°C). Weather in December »Updated: Feb 12, 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
With its average high temperature of 42.4°F (5.8°C) and a low of 29.5°F (-1.4°C), January is regarded as the coldest month.
Throughout the year, in Dexter, Missouri, there are 107.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.
Months with snowfall in Dexter, Missouri, are January through March, November and December.
Throughout the year, in Dexter, there are 5.7 snowfall days, and 0.59" (15mm) of snow is accumulated.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 2 days and typically aggregates up to 0.24" (6mm) of snow.
The month with the least sunshine in Dexter is February, with an average of 4.8h of sunshine.
The most humid month in Dexter, Missouri, is March, with an average relative humidity of 78%.
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.
April through October are months without snowfall in Dexter.
May is the month with the most rainfall in Dexter. Rain falls for 12 days and accumulates 1.42" (36mm) of precipitation.
The months with the highest UV index in Dexter, Missouri, are May through August, with an average maximum UV index of 6.
With an average of 14h and 36min of daylight, June has the longest days of the year.
The months with the most sunshine in Dexter are June and July, with an average of 10.8h of sunshine.
July, having an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 70.3°F (21.3°C), is the warmest month.
The month with the least rainfall in Dexter is September, when the rain falls for 8.6 days and typically collects 0.47" (12mm) of precipitation.
With an average relative humidity of 68%, October is the least humid month.
With an average of 9h and 42min of daylight, December has the shortest days of the year in Dexter.
Average temperature
Dexter, MO
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure
Dexter, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Dexter, MO
- Average wind speed in January:
9.1mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Dexter, MO
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Dexter, MO
- Average rainfall in January:
0.67" - Average rainfall in February:
0.79" - Average rainfall in March:
1.06" - Average rainfall in April:
1.3" - Average rainfall in May:
1.42" - Average rainfall in June:
0.98"
- Average rainfall in July:
0.98" - Average rainfall in August:
1.1" - Average rainfall in September:
0.47" - Average rainfall in October:
0.87" - Average rainfall in November:
0.67" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
Dexter, MO
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
12 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
12 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
7.3 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Dexter, MO
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dexter, MO
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 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:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dexter, MO
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - 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 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 48min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Dexter, MO
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
17.9 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).
Average UV index
Dexter, MO
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 and December (UV index 2).
Average cloud cover
Dexter, MO
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility
Dexter, MO
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).
