Climate and monthly weather forecast
Parma, OH

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The climate of Parma

Tucked away in the state of Ohio, USA, the city of Parma is a spectacle where the climatic conditions can largely be described by the Köppen climate classification as 'Dfa'. This signifies it experiences a humid continental climate and encounters no dry season, with hot summers dominating.

Over the course of the year, the weather varies widely, largely due to changing monthly averages. The temperature generally fluctuates from a low of 21.2°F (-6°C) in January to a high of 79.2°F (26.2°C) in July. This considerable temperature range, which characterizes much of the continental climate, provides a fascinating contrast from the chilly winters to the hot summers.

Relative to humidity, Parma experiences quite a humid environment throughout the year, with the average monthly humidity ranging from 75% during July and August to 85% in February. Regarding precipitation, the city experiences both rainfall and snowfall in varying degrees. The average annual rainfall varies from 0.47" (12mm) in November to 1.06" (27mm) in May, while snowfall is a common occurrence from November to March with its peak in February at 0.87" (22mm).

The city also enjoys sunlight for a good part of the year, with the longest day in June providing 15.1 hours of daylight. Sunshine hours range from a low of 2.7 hours per day in January to a high of 10.6 hours per day in August. Another intriguing characteristic of Parma's weather is the UV index which ranges from a minimum of 1 in December to a maximum of 6 in July.

The best time to visit Parma

Parma opens its doors for an enjoyable visit during the late spring and early autumn months. These periods from May to June and September to October respectively, showcase a balance of temperature, where it averages between 53.2°F (11.8°C) to 65.1°F (18.4°C) in spring and 59.9°F (15.5°C) to 47.3°F (8.5°C) in autumn. The city experiences moderate rainfall during these times, and the sunshine hours are satisfyingly extended.

The worst time to visit Parma

The months of January and February should be avoided by those who aren't fans of the cold weather. These months experience the harshest weather conditions in Parma, with average low temperatures of 21.2°F (-6°C) and 22.5°F (-5.3°C) respectively. The prolonged periods of snowfall only add to the chilly climate, making it an unfavorable time for travel.

Spring weather in Parma

Spring in Parma, from March to June, is a season of comfortable temperatures and increasing humidity levels. The temperature varies from 42.3°F (5.7°C) in March to 65.1°F (18.4°C) in May, creating a snug environment. The rainfall during this season usually peaks at 1.06" (27mm) in May. The daylight hours increase gradually, offering a lovely backdrop for outdoor activities and sightseeing.

Summer weather in Parma

Summer, between June and August, features warm temperatures and ample sunshine. The average temperatures during this season range from 73.4°F (23°C) to 79.2°F (26.2°C). Although humidity levels are slightly decreased compared to other months, the city gets 15.1 hours of daylight and over 10 hours of sunshine per day, allowing you to revel in the outdoors.

Autumn weather in Parma

Autumn gradually welcomes colder weather from September to November, with temperatures dropping from 72.3°F (22.4°C) to 47.3°F (8.5°C). This season experiences a surge in cloud coverage, which reaches its annual peak in November at 52%. Despite this, the city still manages to retain a considerable amount of daylight, with sunshine hours varying between 5.4 hours to 8.4 hours per day.

Winter weather in Parma

Winter in Parma, lasting from December to February, presents a different atmosphere altogether. Temperatures during this season can dip from an average high of 37.6°F (3.1°C) in December to a chilling low of 21.2°F (-6°C) in January. This is also the period when snowfall is prevalent, reaching its peak of 0.87" (22mm) in February. With the shortest daylight hours and sunshine hours of the year at this time, winter becomes the least favorable climate for outdoor activities. Still, it offers the possibility of experiencing a traditional snowy winter and bearing witness to the city's crisp beauty.

Weather in January

A breath of frosty air marks the beginning of the year in Parma, Ohio, with January often blanketed in heavy layers of snow. Amid the barren landscape, sunlight is limited, hinting towards short days and long nights for residents. Weather in January »

Weather in February

In February, the cold weather in Parma persists, albeit at a slightly warmer degree than January. While natural daylight starts to increase, the city reveals a snapshot of a snowy winter scene. But do not be deceived, as cold winds continue to gust across the area and the number of snowfall days remains the same as the previous month. Weather in February »

Weather in March

March brings the advent of spring in Parma! Gradually escaping the clutches of winter, the city can expect an uplift in temperature, along with an increase in spring showers. Although the chilling wind gusts begin to ease and daylight hours lengthen, residents should still brace for sporadic snowfall. Weather in March »

Weather in April

April in Parma introduces a refreshing transformation in weather, with the chilly winter cold bidding farewell, making way for warmer temperatures. Rainfall becomes a frequent visitor in April, corroborating the age-old adage, "April showers bring May flowers." Those craving sunlight will not be disappointed, as daylight hours begin to extend significantly while the appearance of the sun becomes a more regular occurrence. Weather in April »

Weather in May

May in Parma is a celebration of Spring in its full glory! Blossoming brightly, the days are imbued with ample sunshine, longer daylight hours, and balmy weather throughout the month. Stepping outside might be a delight for most residents, with the rainfall becoming a gentle addition to the month rather than a disturbance. Weather in May »

Weather in June

Parma welcomes the summer season in June with rising temperatures and substantial sunlight. The rainy spell from spring continues to linger, albeit with reduced frequency. Local residents can expect to enjoy longer days, coupled with warm weather that signifies the start of the outdoor activities season. Weather in June »

Weather in July

July is the high point of summer in Parma. It brings together blistering heat, extensive daylight hours, and the allure of long, warm nights. Despite high temperatures, it does not steer clear of occasional showers, maintaining a considerable amount of rainfall throughout the month. Weather in July »

Weather in August

August in Parma is a continuation of the hot, sun-drenched summer where heat remains the weather's central narrative. Offering extensive daylight hours, the city basks in sunlight and residents revel in pleasant warm odds. Despite the high temperatures, the month is not devoid of rainfall, although it occurs less frequently than previously observed in July. Weather in August »

Weather in September

September bids farewell to the sizzling summer and begins the transitional journey towards fall in Parma. Gently dipping temperatures, along with a few more instances of rainfall, mark a noticeable shift from the hot and dry summer days. Weather in September »

Weather in October

October in Parma brings the beauty of fall to life with the sight of leaves transforming into vibrant shades of red, yellow, and orange. However, the scenic beauty is often accompanied by refreshing showers and a further reduction in temperature. Weather in October »

Weather in November

November in Parma sees the arrival of early winter chill. With significantly shorter days, the city plunges into cold nights with the temperatures dropping substantially. Regular rainfall, coupled with a continuous decrease in daylight hours, substantiates the transformation in climatic conditions seen during the first half of the month. Weather in November »

Weather in December

Parma dives into winter with December bringing plummeting temperatures, significant cloud coverage, and frequent bouts of snowfall. It is the beginning of what is often a long and cold season, offering residents a chance to enjoy winter-related activities. Weather in December »

Frequently asked questions

What are the coldest months?

January, with average temperatures reaching a high of 31.3°F (-0.4°C) and a low of 21.2°F (-6°C), is the coldest month.

How much does it rain in Parma?

Throughout the year, there are 109.1 rainfall days, and 8.43" (214mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, November and December.

How many days does it snow?

In Parma, during the entire year, snow falls for 32.9 days and aggregates up to 2.8" (71mm) of snow.

What is the month with the least sunshine?

With an average of 2.7h of sunshine, January has the least sunshine of the year in Parma.

What is the most humid month?

The most humid month is February, with an average relative humidity of 85%.

What is the driest month in Parma?

The months with the least rainfall are February and November Rain falls for 4.4 days and accumulates 0.47" (12mm) of rain.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 8.8 days and typically aggregates up to 0.87" (22mm) of snow.

When is Daylight Saving Time (DST)?

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.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 1.06" (27mm) of precipitation.

When it does not snow?

In Parma, snow does not fall in May through October.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What month is the hottest?

Parma's temperatures peak on average in July, reaching 79.2°F (26.2°C) at their highest and 65.5°F (18.6°C) at their lowest.

What are the least humid months?

July and August, with an average relative humidity of 75%, are the least humid months.

What is the month with the highest UV index?

July is the month with the highest UV index in Parma, with an average maximum UV index of 6.

What month has the most sunshine?

With an average of 10.6h of sunshine, August has the most sunshine of the year.

What is the month with the shortest days?

December has the shortest days of the year in Parma, with an average of 9h and 12min of daylight.

When is the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Parma, OH

Average temperature - Parma, OH

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (31.3°F).

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure
Parma, OH

Average pressure - Parma, OH

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
Parma, OH

Average wind speed - Parma, OH

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity
Parma, OH

Average humidity - Parma, OH

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall
Parma, OH

Average rainfall - Parma, OH

The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are February and November (0.47").

Average rainfall days
Parma, OH

Average rainfall days - Parma, OH

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).

Average snowfall
Parma, OH

Average snowfall - Parma, OH

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Parma, OH

Average snowfall days - Parma, OH

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Parma, OH

Average daylight / Average sunshine - Parma, OH

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days
Parma, OH

Average sunshine days - Parma, OH

The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is May (13.3 days).

Average visibility
Parma, OH

Average visibility - Parma, OH

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Parma, Ohio, USA

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