Climate and monthly weather forecastNorthwood, IA
Climate and monthly weather forecast
The climate of Northwood
Northwood, situated in Iowa, USA, experiences a variety of weather patterns due to its Humid Continental Climate (Köppen climate classification: Dfa). Over the course of the year, this city witnesses a wide spectrum of temperatures, relative humidity, and diverse precipitation types.Throughout the year, temperatures in Northwood show a pattern of wide fluctuations. The city's highest temperatures, approaching 79.2°F (26.2°C), usually occur in July, while January promises the lowest temperatures, dropping as far as 9°F (-12.8°C). Humidity follows a similar trend, with the most humid months primarily occurring through the summer, peaking at approximately 90% in January and decreasing to a low of 72% towards April.
Varied forms of precipitation such as rain and snow punctuate Northwood's yearly climatic pattern. The maximum rainfall of 4.13" (105mm) comes in June, while the driest month is February with only 0.94" (24mm) of rain. The incidence of snowfall generally runs from November to April, with the most snowfall, topping at 5.94" (151mm), seen in February.
Daylight and sunshine hours exhibit some variation throughout the year. The longest daylight hours stretch up to 15.4 hours in June, but they diminish to as little as 9 hours in December. Correspondingly, the most abundant sunshine, up to 9.8 hours, graces Northwood in July, dwindling down to only 3.4 hours in December.
The best time to visit Northwood
Given the variability in Northwood's weather conditions, the ideal time to visit primarily depends on the activities planned by the visitor. For those seeking comfortable temperatures combined with ample sunshine, the period from May to September proffers the best conditions. During these months, temperatures fluctuate from 54.3°F (12.4°C) to 79.2°F (26.2°C), and sunshine stretches from 8.4 to 9.8 hours per day.The worst time to visit Northwood
Whilst each season brings its own beauty, the period from November through March may be considered less inviting for certain activities due to lower temperatures and heavier snowfall. December and January in particular experience maximum snowfall from 3.66 to 4.84" (123mm), with temperatures dipping from 9°F (-12.8°C) to 27.3°F (-2.6°C). During this period, daylight hours get rather short, with as few as 9 to 10 hours.Spring weather in Northwood
Spring in Northwood is marked with gradual warming of temperatures from 40.6°F (4.8°C) in March to 66.6°F (19.2°C) in May. Accompanying the rise in temperature is an increase in rainfall from 1.38" (35mm) in March to 3.07" (78mm) in May. However, the incidence of snowfall decreases, culminating in a mere 0.47" (12mm) in May. Spring months also see an expansion of daylight hours from 12 to 14.7 hours.Summer weather in Northwood
Summers in Northwood are typically warm, with temperature highs climbing from 76.5°F (24.7°C) in June to a peak of 79.2°F (26.2°C) in July, before slightly falling back to 76.8°F (24.9°C) in August. Rainfall is consistent during this season, hovering between 2.4 to 4.13" (105mm). Summer days in Northwood are long, with daylight hours ranging from 13.9 to 15.4 hours, complemented by sunshine hours which expand from 8.4 to 9.8 hours across the season.Autumn weather in Northwood
Autumn ushers in a gradual decline in temperatures, dropping from 71.4°F (21.9°C) in September to 41.4°F (5.2°C) in November. Corresponding to falling temperatures is a decrease in rainfall from 2.36" (60mm) in September to 1.1" (28mm) in November. Daylight hours become shorter, dwindling from 12.5 hours in September to 9.7 hours in November, while sunshine hours decrease from 8.9 to 5.1 hours.Winter weather in Northwood
Winter in Northwood is characterized by cold temperatures with highs dipping from 27.3°F (-2.6°C) in December to 21.6°F (-5.8°C) in January, and marginally rising to 25.3°F (-3.7°C) in February. The incidence of snowfall is highest during this season, peaking at 5.94" (151mm) in February. Winter also brings shorter daylight hours, ranging from 9 to 9.7 hours, with diminshed sunshine hours of as low as 3.4 hours in December. The combination of cold temperatures and reduced daylight makes winter in Northwood quite chilly. However, the snow-covered landscapes provide stellar opportunities for winter sports.Weather in January
The onset of the year in Northwood, Iowa, is marked by chill temperatures, often accompanied by snowfall and relatively high humidity. Snowfall in January reaches a significant 4.84" (123mm), being the second highest snowfall in the year. Weather in January »Weather in February
As the chill of winter continues, the climate gradually becomes milder in Northwood throughout February. While the temperatures rise slightly from the frigid January conditions, they still remain rather crisp. Frequently, Northwood sees cloud cover in February, along with visible light flurries. Weather in February »Weather in March
With the arrival of spring, March in Northwood brings warmer temperatures, decreased snowfall, and increased rainfall. The weather conditions in this month are noticeably different from the cold and snowy February, as winter slowly begins to recede. Weather in March »Weather in April
April in Northwood is a transition period, moving away from the chill of winter and towards the warmth of summer. The weather fluctuates quite a bit during this month, but the overall trend is towards warmer temperatures and increased precipitation. Weather in April »Weather in May
As the gateway to summer, May in Northwood exhibits warmer temperatures, plentiful sunshine, and moderate rainfall. This month is a deviation from the cooler and less predictable weather of April, making way for even warmer days in June. Weather in May »Weather in June
June is the time when summer truly takes hold in Northwood, with temperatures soaring and ample sunshine. Despite more sunshine hours, June also brings an increase in rainfall to a staggering 4.13" (105mm), the maximum for the year. Weather in June »Weather in July
July in Northwood sees the pinnacle of summer weather with the highest temperatures and maximum UV index. The city is bathed in warm sunshine for generous hours of the day, heralding the most active outdoor season. Despite these high temperatures, rainfall decreases noticeably from June to July, making it less humid. Weather in July »Weather in August
August in Northwood experiences slight relief from July’s peak summer conditions. The weather remains consistently warm, although not as intense as July, and there's slightly less rainfall. As the month progresses, early signs of Autumn start to become noticeable. Weather in August »Weather in September
September brings a marked change to Northwood, Iowa, as the cool fall weather begins to settle in. This month witnesses a significant drop in temperature from the warmth of August, ushering in the fall season. Accompanied by a decrease in the duration of daylight, it heralds the looming arrival of winter. Weather in September »Weather in October
October ushers in markedly cooler weather in Northwood. The transition from September to October is noticeable, with shorter days and colder temperatures. An increase in rainfall could be expected, bringing with it cloudy and cooler days in preparation for the onset of winter. Weather in October »Weather in November
November in Northwood sees the rapid approach of winter, with temperatures dropping sharply compared to October. This shift in weather represents the shift in season from fall to winter. The days grow drastically shorter, and rain gives way for the return of the snow. Weather in November »Weather in December
December ushers in the classic winter season in Northwood, Iowa, with temperatures dropping further, increased snowfall and high relative humidity. The complete transition of weather from November is conspicuous as the month sees the first solid snow accumulation of the season, recording 3.66" (93mm). 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
January, on average, is the coldest month, registering a high temperature of 21.6°F (-5.8°C) and a low of 9°F (-12.8°C).
The most humid month is January, with an average relative humidity of 90%.
January is the month with the least rainfall in Northwood, Iowa. Rain falls for 4.5 days and accumulates 0.94" (24mm) of precipitation.
In Northwood, during the entire year, the rain falls for 134.3 days and collects up to 25.08" (637mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 57 snowfall days, and 22.83" (580mm) of snow is accumulated.
January has the least sunshine of the year in Northwood, with an average of 3.4h of sunshine.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
February is the month with the most snowfall. Snow falls for 12.2 days and accumulates 5.94" (151mm) 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.
April and October, with an average relative humidity of 72%, are the least humid months in Northwood, Iowa.
The month with the most rainfall in Northwood is June, when the rain falls for 18.4 days and typically aggregates up to 4.13" (105mm) of precipitation.
June through September are months without snowfall in Northwood.
The month with the longest days is June, with an average of 15h and 24min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Northwood, July is known for its average highest temperatures, reaching a high of 79.2°F (26.2°C) and a low of 62.6°F (17°C).
With an average of 9.8h of sunshine, July has the most sunshine of the year in Northwood, Iowa.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Northwood, IA
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure
Northwood, IA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Northwood, IA
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.4mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.6mph - Average wind speed in October:
10mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity
Northwood, IA
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall
Northwood, IA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.18" - Average rainfall in March:
1.38" - Average rainfall in April:
2.6" - Average rainfall in May:
3.07" - Average rainfall in June:
4.13"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Northwood, IA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
2.9 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
18.4 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall
Northwood, IA
- Average snowfall in January:
4.84" - Average snowfall in February:
5.94" - Average snowfall in March:
3.11" - Average snowfall in April:
2.48" - Average snowfall in May:
0.47" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Northwood, IA
- Average snowfall days in January:
13.8 days - Average snowfall days in February:
12.2 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.3 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:
1.4 days - Average snowfall days in November:
5.5 days - Average snowfall days in December:
12.6 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Northwood, IA
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 24min - Average sunshine in November:
5h and 6min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Northwood, IA
- Average sunshine days in January:
14.1 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index
Northwood, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Northwood, IA
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Northwood, IA
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
