The climate of Saint Peters
Saint Peters, a city in
Missouri, USA, falls under the 'Cfa', or Humid Subtropical no dry season, category of the Köppen climate classification. Records place Saint Peters at an average annual temperature that varies between a high 37.4°F (3°C) and 87.1°F (30.6°C), with the lows recorded from 23.9°F (-4.5°C) to 68.4°F (20.2°C). The city's weather presents year-round variations, with clear seasonal delineation.
Climate data reveals that while sunshine hours oscillate from 4.7 to 10.5 hours a day, daylight hours see an alteration from 9.8 to 14.9 hours daily. The temperature readings alongside the sunlight duration point to distinct changes in weather across seasons. Interestingly, the relative humidity remains somewhat constant throughout the year, ranging from 71% to 78%. This shows the consistent presence of moisture in the air, regardless of the month or season.
An examination of the precipitation data delivers a discernible trend as well. Rainfall inches see a hike between 1.06" (27mm) in
February to 2.48" (63mm) in
April, witnessing a subsequent decline to 1.26" (32mm) in
December. By contrast, the snowfall shows its presence from 0.98" (25mm) in
January to 1.34" (34mm) in December with noticeable absences from April to
November. The city's average wind speed remains moderately stable from 5.5mph (8.9km/h) to 9.1mph (14.6km/h) throughout the year, frequently accompanied by gusts reaching up to 14.4mph (23.2km/h).
The best time to visit Saint Peters
Planning a visit to
Saint Peters would prove most enjoyable when the climate shows its most agreeable side. Given the temperature, sunshine, and precipitation data, the months from
May to
September might serve as the best window for a visit. During this time, temperatures range from a high of 74.7°F (23.7°C) to 87.1°F (30.6°C), and lows between 57°F (13.9°C) to 68.4°F (20.2°C). Sunshine hours are highest with 9.6 to 10.5 hours daily, and daylight extends from 14.3 to 14.9 hours a day. The city offers a delightful and warm atmosphere that would surely enrich the trip.
The worst time to visit Saint Peters
It's crucial to carefully assess the potential drawbacks of visiting
Saint Peters during certain times of the year. Given the weather data, the period from
December through
February could pose challenges for visitors. During these months, temperatures can drop to an average low of 23.9°F (-4.5°C)-27.1°F (-32.8°C) and reach only up to 37.4°F (3°C)-42.1°F (-41.2°C). Alongside this reduced temperature range, daylight hours shrink to 9.5-10.8 hours a day, and the city averages only 4.7-5 hours of sunshine.
Spring weather in Saint Peters
The climax of spring in
Saint Peters comes with an escalating scale of temperatures, reaching a high from 54.1°F (12.3°C) in
March to 74.7°F (23.7°C) in
May. Corresponding lows also witness an increase from 37.9°F (3.3°C) to 57°F (13.9°C). These are accompanied by an increment in sunshine hours from 6.6 to 9.6 hours a day. Average rainfall inches also rise, peaking at 2.48" (63mm) in
April before declining slightly to 2.44" (62mm) in May.
Summer weather in Saint Peters
June to
August marks the summer season in
Saint Peters, and it is perhaps the city's warmest period. High temperatures reach a peak at 87.1°F (30.6°C) in
July and lows remain pleasant at 66°F (18.9°C)-68.4°F (-55.8°C). Humidity rises slightly and the average rainfall amounts record over 2.24" (57mm) monthly. Despite this, the city basks in abundant sunshine, receiving between 10.5 hours per day throughout these months.
Autumn weather in Saint Peters
Autumn in
Saint Peters presents a decrease in temperatures, with
September experiencing a high of 79.5°F (26.4°C), which then falls gradually to 53.2°F (11.8°C) by
November. The low average temperatures also see a decline from 59.7°F (15.4°C) to 37.6°F (3.1°C). The daylight hours decrease notably, falling from 12.4 to 10.1 hours per day from September to November, mirroring the retreat of summer.
Winter weather in Saint Peters
Winter ushers in a drop in temperatures in
Saint Peters, with highs from 41.9°F (5.5°C) in
December to 37.4°F (3°C) in
January. The lows also see a similar dip, from 30°F (-1.1°C) in December to 23.9°F (-4.5°C) in January, the coldest month of the year. December and January also mark a rise in snowfall, with an average of 1.34" (34mm) and 0.98" (25mm) respectively. Interestingly, December records the longest nights of the year, with daylight hours reducing to a minimum of 9.5 hours, and sunshine hours at 5. Despite these conditions, the city's winter has its own tranquillity and charm.
Weather in January
January showcases the cool, crisp specifics of
Saint Peters,
Missouri in the heart of winter. It can be described that this beginning month provides cooler temperatures, abundant cloud coverage coupled with reduced sunlight. Snowfall of 0.98" (25mm) typically accompanies the arrival of the new year.
Weather in January » Weather in February
February in
Saint Peters,
Missouri often brings slightly elevated temperatures compared to
January. A gradual increase in daylight hours is observed, indicating the approach of spring. February is the month with the highest snowfall of 1.65" (42mm) observed.
Weather in February » Weather in March
The weather in
March sees the commencement of warmer weather patterns for
Saint Peters,
Missouri. Increased daylight and rising temperatures herald the onset of spring. This month is associated with the highest rise in average daily temperature, from 37.4°F (3°C) to 54.1°F (12.3°C), signifying the transition from winter to spring.
Weather in March »
Weather in April
April's weather in
Saint Peters,
Missouri boasts the full-blown effects of spring. Its characteristic mild temperatures and longer daylight hours make outdoor activities more enticing. The significant increase in rainfall is apparent, with the amount of rainfall more than doubling to 2.48" (63mm) when compared to the previous month.
Weather in April » Weather in May
May presents an amalgamation of increased warmth and humidity in
Saint Peters,
Missouri. Marked increases in temperature and rising humidity levels characterize the advent of summer. This month stands out due to its peak temperature raising above 74.7°F (23.7°C) for the first time in the year.
Weather in May » Weather in June
June marks a quintessential summer month for
Saint Peters,
Missouri with its distinctly warmer weather pattern. Extended daylight, increased sunshine hours, and prevalent high temperatures define this month. This month witnesses the highest average low temperature of 66°F (18.9°C).
Weather in June »
Weather in July
July in
Saint Peters,
Missouri, is the pinnacle of summer. It is characterized by the year's hottest temperatures, elevated humidity levels, and generous sunshine. The peak temperature for the year is experienced in July, with average highs reaching 87.1°F (30.6°C).
Weather in July » Weather in August
August is a persistently warm and humid month for
Saint Peters,
Missouri. Although temperatures begin to dip from their peak, they remain high contributing to a noticeable summer heat. August stands out due to its uniquely high average temperature of 85.3°F (29.6°C) amidst a slow cooling trend.
Weather in August » Weather in September
September brings welcome relief from the summer heat in
Saint Peters,
Missouri. Falling temperatures, reduced rainfall, and shorter daylight hours hint at the onset of autumn. This month is characterized by a significant drop in average daily temperatures from 85.3°F (29.6°C) to 79.5°F (26.4°C).
Weather in September »
Weather in October
October manifests an undeniable autumnal feel in
Saint Peters,
Missouri. Cooler temperatures, reduced daylight hours and falls in humidity are indicative of the changing seasons. Given the first signs of winter, temperatures continue to decrease noticeably month-to-month.
Weather in October » Weather in November
November ushers the initial signs of winter for
Saint Peters,
Missouri. In marked contrast to
October, this month heralds shorter daylight hours, lower temperatures, and the first traces of snow. Increased cloud cover and a decrease in average temperature from 66°F (18.9°C) to 53.2°F (11.8°C) signal a definite shift in the weather pattern.
Weather in November » Weather in December
December concludes the year in
Saint Peters,
Missouri with the arrival of winter. The cold temperatures, increased snowfall, and shortened daylight hours mark the essence of this month. December gains distinction from accumulating 1.34" (34mm) of snowfall, signifying the onset of the winter season.
Weather in December »