The climate of Newton
Newton,
Iowa, USA, falls into the Köppen climate classification of Dfa, indicating a Humid continental climate, with no dry season and hot summers. Geographically, Newton is situated in the Midwest region of the United States.
The climatological parameters display clear changes across the year. High temperature values oscillate from a cold 27.1°F (-2.7°C) in
January to a peak of 81.5°F (27.5°C) in
July. During the same period, low temperatures vary from a frigid 14.4°F (-9.8°C) in January to a balmy 64.8°F (18.2°C) in July. Thus, the annual temperature range in Newton is quite significant.
Humidity and rainfall also vary significantly as the season progresses, with relative humidity levels fluctuating from 71% to 84%. On average, rainfall amounts change from 0.39" (10mm) in January and
February to 2.13" (54mm) in
May, the wettest month of the year. In contrast,
December is the driest month with only 0.39" (10mm) of precipitation. Averages of snowfall are present from
November to
April with the heaviest amount of 1.73" (44mm) falling in January.
Wind speeds generally maintain an annual average of around 10mph (16.1km/h), with maximum speeds peaking at 11.1mph (17.9km/h) during the colder months of January,
March, and November. Sunshine duration reaches its highest at 10.3 hours in July and contracts to 4.2 hours in January.
The best time to visit Newton
The ideal time to visit
Newton is between
May and
September when weather conditions are most favorable. During this period, average high temperatures maintain between 69.3°F (20.7°C) and 81.5°F (27.5°C), creating an optimum climate for outdoor activities. Also, these months receive the most extended duration of sunlight, from 14.6 hours in May to 15.2 hours in
June, suitable for sightseeing and exploring.
The worst time to visit Newton
January and
February are considered the least comfortable months due to harsh winter conditions. During these months, temperatures can plummet to as low as 14.4°F (-9.8°C) to 17.4°F (-8.1°C). Furthermore, the amount of daylight is also at its lowest, with only 9.6 to 10.6 hours of daylight in January and February respectively.
Spring weather in Newton
Spring in
Newton, encompassing
March through
May, is a period of warming and increased rainfall. Temperatures gradually rise from 46.4°F (8°C) to 69.3°F (20.7°C), while the average amount of rainfall peaks at 2.13" (54mm) in May. The length of daylight also starts to increase significantly, from 12 hours in March to 14.6 hours in May.
Summer weather in Newton
The summer months,
June through
August, are the warmest in
Newton with temperatures peaking at 81.5°F (27.5°C) in
July. The nights remain comfortable, with low temperatures fluctuating between 62.4°F (16.9°C) and 64.8°F (18.2°C). Humidity and rainfall are also at their highest during this time, reaching 82% and 1.85" (47mm) in June.
Autumn weather in Newton
Autumn, covering
September through
November, sees a gradual cooling of the weather in
Newton. High temperatures fall from 74.7°F (23.7°C) in September to 46.9°F (8.3°C) in November, while the nights become colder with lows reaching 32.4°F (0.2°C) in November. Rainfall averages decrease to 0.67" (17mm) from 1.3" (33mm) as the season progresses, and the duration of daylight reduces to 9.8 hours by November.
Winter weather in Newton
Winters in
Newton, from
December to
February, are characterized by cold temperatures and significant snowfall. High temperatures fall to as low as 27.1°F (-2.7°C) in
January, while lows reach a freezing point of 14.4°F (-9.8°C). There are around 8.4 snowfall days in January, with an average of 1.73" (44mm) of snow. The daily sunlight duration is also at its shortest, with only 9.6 hours in December.
Weather in January
In
Newton,
Iowa, the beginning of the year greets residents with winter's chill. As the coldest month of the year, temperatures can drop as low as 14.4°F (-9.8°C), making it important to wrap up warm. The consistently low temperatures combined with short daylight hours of 9.6 hours promote a heavy reliance on indoor heating.
Weather in January »Weather in February
Moving into
February,
Newton experiences a slight uptick in temperature, though winter's hold remains firm. The increase in snowfall days from 8.4 to 7.3 suggests slightly milder conditions. With only 10.6 daylight hours and a UV index of 2, February in Newton retains its wintery character.
Weather in February »Weather in March
March, the first month of the spring in
Newton, is a chilly month, with an average temperature ranging between max 46.4°F (8°C) and min 31.5°F (-0.3°C). As March arrives, Newton's weather displays a notable increase in high-temperatures, climbing from
February's subzero cold 31.5°F (-0.3°C) to a chilly 46.4°F (8°C).
Weather in March »
Weather in April
April in
Newton,
Iowa, is a moderate spring month, with an average temperature ranging between max 58.8°F (14.9°C) and min 41.9°F (5.5°C). An escalation in the average high-temperature is seen with the onset of April, moving from a chilly 46.4°F (8°C) in
March to a moderate 58.8°F (14.9°C).
Weather in April » Weather in May
The last month of the spring,
May, is a pleasant month in
Newton,
Iowa, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 52.5°F (11.4°C). May's arrival coincides with a rise in the average high-temperature, moving from
April's mild 58.8°F (14.9°C) to a pleasant 69.3°F (20.7°C).
Weather in May »Weather in June
June, the first month of the summer in
Newton, is a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.4°F (16.9°C). With the transition into June, Newton experiences an increase in average high-temperatures, moving up from an agreeable 69.3°F (20.7°C) in
May to a moderately hot 79.3°F (26.3°C).
Weather in June »
Weather in July
July, the same as
June, is another warm summer month in
Newton,
Iowa, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 64.8°F (18.2°C). July, with its average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 64.8°F (18.2°C), holds the record as the warmest month. The heat index value for July is appraised at a hot 87.8°F (31°C).
Weather in July » Weather in August
August, the last month of the summer in
Newton, is also a moderately hot month, with an average temperature fluctuating between 80.6°F (27°C) and 62.2°F (16.8°C). Newton,
Iowa, marks the arrival of August with an average high-temperature of a still warm 80.6°F (27°C), hardly different from
July's 81.5°F (27.5°C).
Weather in August » Weather in September
The first month of the autumn,
September, is also a moderately hot month in
Newton,
Iowa, with an average temperature varying between 55.8°F (13.2°C) and 74.7°F (23.7°C). Newton, Iowa, in September undergoes a slight reduction in the average high-temperature, shifting from
August's moderately hot 80.6°F (27°C) to a still warm 74.7°F (23.7°C).
Weather in September »
Weather in October
October, the same as
September, in
Newton,
Iowa, is another mild autumn month, with an average temperature fluctuating between 59.9°F (15.5°C) and 44.2°F (6.8°C). The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a warm 74.7°F (23.7°C) to a mild 59.9°F (15.5°C).
Weather in October » Weather in November
The last month of the autumn,
November, is also a frosty month in
Newton,
Iowa, with an average temperature fluctuating between 46.9°F (8.3°C) and 32.4°F (0.2°C). November is characterized by a reduction in the average high-temperature, from a refreshing 59.9°F (15.5°C) in
October to a frosty 46.9°F (8.3°C).
Weather in November »Weather in December
December, the first month of the winter in
Newton, is still a cold month, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 22.1°F (-5.5°C). As
November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 46.9°F (8.3°C) to an icy 33.8°F (1°C).
Weather in December » [Resources]