The climate of Affton
Positioned in
Missouri, USA,
Affton embraces a humid subtropical climate, known as Cfa according to the Köppen climate classification, without a dry season. The climate features substantial humidity that persists throughout the year, peaking at 78% in
May and recording the least in
October at 71%. Temperatures in this region vary considerably throughout the year, from a high of 86.9°F (30.5°C) in
July to a low of 25°F (-3.9°C) in
January.
Rainfall is a constant yet variable feature of the climatic conditions of Affton. Monthly averages range from a high of 3.94" (100mm) in May to a low of 1.77" (45mm) in both
February and
November. Moreover, days with rain also oscillate within the year, reaching a high of 16.9 in July and descending to a low of 6.8 in January and February.
Despite the predominantly humid climate, snow graces Affton during winter with an average of 2.6" (66mm) in February. However, the presence of snow is not an all-year-round phenomenon. From May through October, no snowfall is observed. The rest of the year experiences a tapering amount. The daylight enjoyed in Affton also varies throughout the year with a longer 14.8 hours in
June and a shorter 9.5 hours in
December.
The best time to visit Affton
The optimal time for a trip to
Affton,
Missouri heavily depends on personal preferences regarding temperature, precipitation, and daylight hours. For instance, those who thrive in warmer weather may find
July and
August with high temperatures peaking at 86.9°F (30.5°C) and 85.6°F (29.8°C) respectively best suited for their visit. Similarly, daylight hours during this period are also the longest, at around 14.5 to 14.8 hours per day, allowing for more time to explore.
For visitors who enjoy moderate temperatures,
May’s average temperature range of 57.7°F (14.3°C) to 75.4°F (24.1°C), combined with about 14.3 hours of daylight and a peak relative humidity, may provide a quintessential springtime experience. Rainfall during this period is at its maximum of 3.94" (100mm), and as such, the environment will be lush and vibrant, optimal for nature exploration and outdoor activities.
The worst time to visit Affton
The less desirable period to visit
Affton would be during winter months from
December to
February where temperatures take a significant dip, reaching their lowest at 25°F (-3.9°C) in
January. These months observe the shortest daylight hours, ranging from 9.5 to 10.8 hours. January in particular witnesses a high frequency of snowfall with an average of 4.8 days and measures 2.2" (56mm) in snowfall.
Compared to the rest of the year, this period has reduced visibility due to limited daylight. The increasing cloud cover, touching a peak of 51% in December, further reduces the visibility. Wind speeds also surge during this period, reaching their yearly maximum of 9.1mph (14.6km/h) in January.
Spring weather in Affton
Spring in
Affton, extending from
March to
May, introduces escalating temperatures that range from highs of 54.5°F (12.5°C) in March to 75.4°F (24.1°C) in May. The lows during this period also emulate a similar pattern, commencing from 38.1°F (3.4°C) in March and adding up to 57.7°F (14.3°C) in May. Affton experiences its peak relative humidity of 78% in May and an appropriate amount of rainfall amounting to 3.94" (100mm), adding life to the vegetative landscapes.
Summer weather in Affton
Summer in
Affton,
Missouri, from
June to
August, is characterized by warm temperatures with highs peaking at an average of 86.9°F (30.5°C) in
July. The humidity levels during this period hover around 76%, lending the area a rich, warm atmosphere. The period is also marked by generous daylight hours, up to 14.8 hours in June, permitting ample time for exploring and outdoor activities.
Autumn weather in Affton
Autumn enters
Affton in
September and departs in
November, gradually pulling down the temperature from 79.7°F (26.5°C) in September to 53.8°F (12.1°C) in November. Concurrently, the amount of daylight dwindles from 12.4 hours in September to 10.1 hours in November. Despite the gradual descent into cooler temperatures, humidity remains fairly constant from 73% in September to 72% in November.
Winter weather in Affton
Winter in
Affton brings about colder temperatures from 43.2°F (6.2°C) to 37.9°F (3.3°C) high and 25°F (-3.9°C) to 28.4°F (-2°C) low between
December and
February. The daylight hours decrease to their lowest point of the year, with 9.5 hours in December. Snowfall is also observed, and
January records the maximum amount of 2.2" (56mm) and 4.8 days of snowfall. The relative humidity during this season stays slightly elevated, fluctuating from 76% to 75%.
Weather in January
January's weather in
Affton,
Missouri shifts from the colder conditions of
December. The frosty winter climate persists with snow-covered landscapes due to an average snowfall of 2.2" (56mm). It's a month known for its white scenery and chill, perfect for winter activities.
Weather in January » Weather in February
As the calendar turns to
February, the weather conditions remain on the cold side in
Affton,
Missouri but there’s a gradual transition towards spring-like conditions. There's an increase of one degree from
January’s UV index, indicating longer and brighter days.
Weather in February »Weather in March
In
March, the chilly grip of winter begins to lose its hold on
Affton. This is reflected in the declining snowfall, with an average of just 1.18" (30mm) for the month. March ushers in the spring season, the onset of blooming flowers, and greening trees.
Weather in March »
Weather in April
The weather in
April in
Affton,
Missouri, is known for its mildness and the noticeable absence of snowfall. April marks the complete transition to springtime, presenting a relief from the cold winter temperatures. As fresh leaves unfurl on trees and more flowers bloom, bird song accompanies the increasingly vibrant outdoor activity.
Weather in April »Weather in May
May is the onset of warmer weather in
Affton,
Missouri. The month stands out due to its higher rainfall, reaching an apex at an average 3.94" (100mm). This month sees an escalation in temperatures and humidity, marking the transition into the summer season.
Weather in May » Weather in June
June in
Affton,
Missouri, signals the full flourishing of the summer season. The prolonged daylight hours and the increasing temperature sets the stage for outdoor activities. On the other hand, June can be a humid month, making hydration and sunscreen vital elements of any outdoor plan.
Weather in June »
Weather in July
July is typically the hottest month in
Affton,
Missouri, with average temperatures peaking at 86.9°F (30.5°C). There’s a certain intensity that comes with July, making it critical to find effective ways to beat the heat. Whether it's ice-cold lemonade, swaying on a porch swing, or sitting by a pool, the month invites relaxation.
Weather in July » Weather in August
Members of the
Affton community can still expect to relish in the heat of the summer sun in
August. Despite the high temperatures, there's an underlying knowledge of the impending end of summer and the onset of fall. It’s a period of cherishing the still long daylight hours and the freedom they bring before the transition of seasons.
Weather in August »Weather in September
In
September,
Affton,
Missouri sees a dip in temperatures, marking the change from summer to fall. The weather shifts drive many to engage in activities that align with this transitional season. Whilst the summer heat starts to wind down, the cooling evenings cultivate a sense of tranquility and peace.
Weather in September »
Weather in October
October’s weather is marked by the falling temperatures, the shortening days, and the vibrant foliage. Iconic for its spectacular display of fall colors, it sees
Affton turning into a painter's palette of reds, oranges, and yellows.
Weather in October » Weather in November
November is recognized for its declining temperatures with an average low of 37.9°F (3.3°C). This month is a clear indicator of the impending onset of winter in
Affton. As the leaves continue to fall, November marks the transition from autumn's vibrant colors to the stark beauty of winter.
Weather in November » Weather in December
December conjures images of chilling temperatures, early sunsets, and most notably, the return of snowfall. The falling flakes add to the charm of holiday decorations, giving
Affton a picturesque setting. It's a month filled with beautiful holiday lights, celebrations, and the magic that comes with the Yuletide season.
Weather in December »