Climate and monthly weather forecastAshtabula, OH
Climate and monthly weather forecast
The climate of Ashtabula
Located in the U.S. state of Ohio, Ashtabula's climate is predominantly classified as Dfb under the Köppen climate classification, which represents a humid continental climate with no dry season and a warm summer. A fundamental characteristic of this climate is the noticeable changes in weather parameters over the year.An overview of the temperatures tells a story of transition from chill to warmth and back again. Low temperatures trend from 21°F (-6.1°C) in January to a sweltering 63.9°F (17.7°C) in August. They then come full circle back to 21°F (-6.1°C) by the end of the year. High temperatures begin at 30.6°F (-0.8°C) in January, peak at 77°F (25°C) in July, and settle back down to 37°F (2.8°C) in December.
Ashtabula's weather diary also witnesses variances in rainfall, snowfall, daylight hours, and sunshine duration. Rainfall occurrences fluctuate from 2.4" (61mm) in February to a peak of 3.94" (100mm) in June. The city experiences snowfall only from January to April and in November and December, with the heaviest occurring in January, at 6.69" (170mm). The length of daylight in Ashtabula undergoes a journey from 9.5 hours in January, reaching a zenith of 15.2 hours in June, and then receding back to 9.2 hours in December. Sunshine duration, on the other hand, ranges from 2.5 hours a day in January to a high of 10.6 hours a day in July.
Ashtabula's uniqueness lies in its cloud cover percentage, relative humidity, visibility, and wind speed, which each exhibit their own annual patterns. Of notable mention is the sustained high humidity levels, which hover around the 80% mark throughout the year.
The best time to visit Ashtabula
To decide the best time to visit Ashtabula, it is necessary to consider the climate parameters that align with the preference of the visitor. July presents the warmest month, with high temperatures reaching approximately 77°F (25°C). It also offers the longest daylight (approximately 14.9 hours) and the highest amount of sunshine (10.6 hours per day). The sea temperature is most inviting between June and September when it ranges from 63.5°F (17.5°C) to 75.9°F (24.4°C). Visitors seeking minimal rain should aim for the month of February, when rainfall measures around 2.4" (61mm).The worst time to visit Ashtabula
The less favorable conditions for visitors typically occur during the beginning and end of the year. January and December present the lowest high temperatures at 30.6°F (-0.8°C) and 37°F (2.8°C), respectively, as well as the smallest amount of sunshine, amounting to only around 2.5 hours and 2.9 hours per day. Snowfall is also most abundant during these months at 6.69" (170mm) and 5.08" (129mm), respectively.Spring weather in Ashtabula
Spring in Ashtabula sees a transformation from colder to warmer temperatures. The average high temperature climbs from 40.3°F (4.6°C) to 62.4°F (16.9°C), from March to May, while the average low temperature ascends from 28.9°F (-1.7°C) to 48.9°F (9.4°C) within the same period. The amount of rain also rises during the Spring, culminating in May with an average rainfall measure of 3.58" (91mm). Sunshine duration and daylight hours both exhibit increasing trends, with May having an average of 9.1 hours of sunshine and 14.6 hours of daylight.Summer weather in Ashtabula
Summers in Ashtabula are warm, with the average high temperature peaking to 77°F (25°C) in July and the average low temperature notching up to 64°F (17.8°C) in the same month. Summer opens the floodgates to rainfall, with June recording the highest amount of approximately 3.94" (100mm). Meanwhile, the duration of sunshine attains its annual peak at 10.6 hours in July.Autumn weather in Ashtabula
During Autumn, Ashtabula experiences a descent in temperature, with average highs falling from 70.7°F (21.5°C) in September to 46.2°F (7.9°C) in November. Similarly, average low temperatures fall from 58.6°F (14.8°C) to 37°F (2.8°C). Rainfall also sees incremental increases, peaking in October at approximately 3.46" (88mm), while the duration of daylight shrinks and the amount of sunshine diminishes.Winter weather in Ashtabula
Winter in Ashtabula is marked by cold temperatures, with the lowest average high recorded as 30.6°F (-0.8°C) in January and the lowest average low recorded as 21°F (-6.1°C) in the same month. Snowfall peaks during these colder months, reaching a high of 6.69" (170mm) in January. The shortest daylight duration of the year occurs in December, at approximately 9.2 hours, and the lowest average amount of sunshine per day happens in January and December, at around 2.5 hours and 2.9 hours, respectively.Weather in January
January in Ashtabula, Ohio, signifies the heart of winter, with conditions typically frigid and snowfestive. The month presents the lowest temperatures of the year, along with decreased daylight hours. Snowfall becomes a common sight, putting a white blanket on the city's landscape. Weather in January »Weather in February
February in Ashtabula, Ohio, continues the cold trend of January with only a slight temperature increase. With winters grip still firm, the wind chill factor often makes it feel even colder. However, a slight increase in daylight hours and sunshine duration brings relief from dreary winter days. Weather in February »Weather in March
The winter season begins to recede in March in Ashtabula, Ohio, marking the onset of spring. The warming trend is slow but noticeable, characterized by longer daylight hours and an uptick in temperature. Rainfall overtakes snowfall as the primary form of precipitation amidst a thawing environment, showcasing the onset of Spring rainstorms. Weather in March »Weather in April
Ashtabula, Ohio, fully embraces the Spring in April, with temperatures climbing and nature reopening after winter's retreat. The climate is largely shaped by extended daylight hours, increased sunshine, and warmer sea temperatures stimulating the onshore breeze. Weather in April »Weather in May
May in Ashtabula, Ohio, brings a weather transition that prepares the city for the upcoming warmer months. The landscape thrives under enhanced sunshine, stimulating increased outdoor activities by its residents. Long daylight hours invite extended stay-outs, while warmer sea temperatures enrich the vibrancy of the marine life. Weather in May »Weather in June
June paints a bright and sunny picture in Ashtabula, Ohio, as the city revels in clear summer skies and warm temperatures. The city's coastal location facilitates breezy conditions providing relief from summer heat. With snowfall a distant memory, June becomes the time for beach visits and exploring the city's picturesque parks. Weather in June »Weather in July
July proves to be the warmest month of the year in Ashtabula, Ohio, with long sunny days and fewer clouds. The enhanced UV index indicates the intensity of summer's peak, advising precautions for outdoor activities during midday hours. Weather in July »Weather in August
August in Ashtabula, Ohio, embraces the late Summer with strong sunshine and elevated temperature levels, slightly lower than July's peak. The weather provides ample opportunities to explore the city's rich architectural heritage and numerous vineyards. Weather in August »Weather in September
September in Ashtabula, Ohio, signifies the onset of Autumn, with temperatures receding noticeably and the arrival of Fall foliage. A decrease in sunshine hours and shorter days serve as unmistakable autumnal signals. Rainfall levels increase, paving the way for the lush, vibrant colors that the season is renowned for displaying. Weather in September »Weather in October
The full force of Autumn descends on Ashtabula, Ohio, in October, with temperature drops and an increase in rainfall. The gradual transition from mild to sharp cold in the air is tangible, marking late autumnal weather. The foliage surrounding the city dons hues of orange and red, offering scenic landscapes worthy of postcards. Weather in October »Weather in November
November in Ashtabula, Ohio, is known for cooler temperatures, shorter daylight hours, and the first instances of snowfall signaling winter's arrival. The transition to winter becomes more pronounced as nature starts to retreat and vegetation enters its dormant phase. Weather in November »Weather in December
The year wraps up in Ashtabula, Ohio, with December welcoming the deep winter. The shortest daylight hours of the year, combined with cold temperatures create a quiet and peaceful ambiance. An increase in snowfall days shelves nonessential outdoor activities as residents prepare for the winter holidays. Weather in December »Updated: Jul 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is Ashtabula's coldest month, registering average high temperatures of 30.6°F (-0.8°C) and lows of 21°F (-6.1°C).
In Ashtabula, during the entire year, the rain falls for 181 days and collects up to 36.34" (923mm) of precipitation.
January through May, October through December are months with snowfall.
January is the month with the most snowfall. Snow falls for 18.4 days and accumulates 6.69" (170mm) of snow.
Throughout the year, there are 71.4 snowfall days, and 25.28" (642mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 2.5h of sunshine.
February is the most humid month, with an average relative humidity of 87%.
February and November are months with the least rain when the rain falls for 9.6 days and typically aggregates up to 2.4" (61mm) of rain.
With an average ocean temperature of 32.7°F (0.4°C), February is the month with the coldest seawater.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The month with the most rainfall is June, when the rain falls for 17.9 days and typically aggregates up to 3.94" (100mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 12min of daylight.
July brings the highest temperatures, with an average high of 77°F (25°C) and an average low of 64°F (17.8°C).
July through September, with an average relative humidity of 78%, are the least humid months.
The month with the most sunshine is July, with an average of 10.6h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
August is the month with the warmest seawater, with an average ocean temperature of 75.7°F (24.3°C).
December has the shortest days of the year in Ashtabula, with an average of 9h and 12min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Ashtabula, OH
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Ashtabula, OH
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Ashtabula, OH
- Average wind speed in January:
11.4mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10.3mph - Average wind speed in November:
11mph - Average wind speed in December:
11.3mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity
Ashtabula, OH
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July, August and September (78%).
Average rainfall
Ashtabula, OH
- Average rainfall in January:
2.68" - Average rainfall in February:
2.4" - Average rainfall in March:
2.87" - Average rainfall in April:
3.35" - Average rainfall in May:
3.58" - Average rainfall in June:
3.94"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.07" - Average rainfall in September:
2.64" - Average rainfall in October:
3.46" - Average rainfall in November:
2.4" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is June (3.94").
The driest months (with the least rainfall) are February and November (2.4").
Average rainfall days
Ashtabula, OH
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.2 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
16.7 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
14.3 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Ashtabula, OH
- Average snowfall in January:
6.69" - Average snowfall in February:
6.65" - Average snowfall in March:
2.36" - Average snowfall in April:
1.14" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Ashtabula, OH
- Average snowfall days in January:
18.4 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
9.3 days - Average snowfall days in April:
3.7 days - Average snowfall days in May:
0.4 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:
0.4 days - Average snowfall days in November:
7.5 days - Average snowfall days in December:
15.4 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Ashtabula, OH
The best month for swimming (with the highest average sea temperature) is August (75.7°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).
Average daylight / Average sunshine
Ashtabula, OH
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
2h and 30min - Average sunshine in February:
3h and 12min - Average sunshine in March:
5h and 30min - Average sunshine in April:
7h and 30min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 18min - Average sunshine in December:
2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days
Ashtabula, OH
- Average sunshine days in January:
5.9 days - Average sunshine days in February:
6.7 days - Average sunshine days in March:
10.5 days - Average sunshine days in April:
9.8 days - Average sunshine days in May:
10 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
9.8 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.4 days - Average sunshine days in November:
10.2 days - Average sunshine days in December:
6.7 days
The month with the most sunshine days is September (11 days).
The month with the least sunshine days is January (5.9 days).
Average UV index
Ashtabula, OH
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Ashtabula, OH
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Ashtabula, OH
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
