Climate and monthly weather forecastFairfield, OH
Climate and monthly weather forecast
The climate of Fairfield
Under the Köppen climate classification, Fairfield, Ohio, USA falls into the Cfa category, making it a region of humid subtropical climate with no dry season. This geographical location experiences considerable differences in seasonal temperatures along with a relatively high humidity level.Throughout the year, the monthly average high temperatures range from 35.2°F (1.8°C) in the colder months to approximately 83.3°F (28.5°C) during the hotter periods. The low temperatures exhibit a similar trend, with values spanning from 22.8°F (-5.1°C) to 65.7°F (18.7°C).
Rainfall is fairly evenly distributed throughout the year, with monthly averages oscillating between 1.42" (36mm) and 2.99" (76mm). The highest concentration of precipitation is observed in the warmer months from April to July. The amount of snowfall is significantly lower, with noticeable activity mainly between December and February, reaching a peak of 1.81" (46mm).
Fairfield experiences an average of 9.8 to 14.9 daylight hours, and monthly sunshine duration ranges from 4 hours to 10.3 hours. Cloud cover varies from 27% to 59% throughout the year, complemented by visibility that remains fairly constant at 6 miles. The average wind speeds oscillate between 5.3mph (8.5km/h) and 9.1mph (14.6km/h) depending on the time of year.
The best time to visit Fairfield
The month of June is an excellent time to visit Fairfield. This is when temperatures reach up to 80.1°F (26.7°C), with low temperatures of a comfortable 62.6°F (17°C). Humidity during this period averages at 78%, with a relatively low rainfall of 2.24" (57mm) spread out over about 14 days. The city enjoys an impressive 10.3 hours of sunshine per day on average, which makes it an ideal time for outdoor activities.The worst time to visit Fairfield
The colder months from late November to early March constitutes the less inviting period for a visit to Fairfield. This is when the city experiences low temperatures falling below freezing point, and harsh winds which reach up to 8.3mph (13.4km/h) in December. Snowfall reaches 1.38" (35mm) in December and 1.81" (46mm) in January and February, making it a challenging period for outdoor activities.Spring weather in Fairfield
The climatic conditions in Fairfield during spring are generally pleasant. The average temperatures range from 50.2°F (10.1°C) to 62.6°F (17°C) with lows between 35.2°F (1.8°C) and 44.8°F (7.1°C). Rainfall during this season increases, with April being the rainiest month with 2.64" (67mm) of rainfall over approximately 16 days. These conditions are accompanied by an average daylight duration of 12 to 13.3 hours.Summer weather in Fairfield
Summer in Fairfield is characterized by warm and humid conditions. The area experiences high temperatures from 72.5°F (22.5°C) to 83.3°F (28.5°C) and lows from 55.8°F (13.2°C) to 65.7°F (18.7°C). Rainfall during this period ranges from 1.69" (43mm) to 2.99" (76mm), with July being the wettest month. The city enjoys long daylight hours of 14.4 to 14.9 hours with approximately 10.3 hours of sunshine daily.Autumn weather in Fairfield
Autumn in Fairfield brings a transition from the hot and humid summer to the cool and dry winter. Average high temperatures drop from 77°F (25°C) in September to 50.9°F (10.5°C) in November while low temperatures range from 58.1°F (14.5°C) to 36.5°F (2.5°C). Rainfall is relatively low compared to other seasons, with monthly averages fluctuating from 1.42" (36mm) to 1.77" (45mm).Winter weather in Fairfield
Winters in Fairfield are comparatively cold with average high temperatures between 35.2°F (1.8°C) to 40.8°F (4.9°C) and average lows from 22.8°F (-5.1°C) to 29.5°F (-1.4°C). Snowfall is a regular occurrence, peaking at 1.81" (46mm) in January and February. Despite the chilly weather, Fairfield gets a moderate daylight duration of 9.4 to 10 hours with average sunshine duration ranging between 4.2 hours to 5.4 hours in a day.Weather in January
The year begins with winter in full swing in Fairfield, Ohio. The weather in January marks the coldest part of the year, and it frequently sees freezing temperatures with an average low of 22.8°F (-5.1°C) and a high of 35.2°F (1.8°C). Weather in January »Weather in February
February carries forward the cold trend set by January, albeit with a slight rise in temperatures. Compared to January, the February weather brings a bit more snow, increasing to an average of 1.81" (46mm). Average high and low temperatures draw a small rise, edging towards the close of winter. Weather in February »Weather in March
Weather conditions in March show a marked transition from winter to spring. The most conspicuous change lies in the diminishing snowfall. The average snowfall drops nearly to zero, whereas rainfall reveals a slight uptick. Persistent cloudiness starts to retreat, giving way to further hours of sunshine. Weather in March »Weather in April
The weather in Fairfield, Ohio in April is emblematic of the more moderate climate that spring brings. Rainfall in the fourth month of the year peaks to the highest for the first half at 2.64" (67mm), signaling the common saying, "April showers bring May flowers." The climate gets progressively warmer through the month, enduring the last of the cold breezes from the preceding winter. Weather in April »Weather in May
May marks the full arrival of spring, with conditions shifting towards early summer. Humidity climbs marginally but remains comfortable, allowing Fairfield residents to enjoy outdoor activities. On several May afternoons, the warm sun encourages pleasant outings, with the city dawned by a summery glow. Weather in May »Weather in June
In June, Fairfield, Ohio, starts to bask in the quintessential summer weather. The area experiences its longest days in June, with an average of 14.9 hours of daylight. This provides ample sunlight for outdoor activities and bountiful graces to sun-seekers. Weather in June »Weather in July
July usually features the peak summer conditions in Fairfield, and it is typically the hottest month of the year, boasting an average high of 83.3°F (28.5°C). While humidity remains high and pretty steady from June, cloud cover condenses to about a third of July's days. Weather in July »Weather in August
The warmth of July spills over into August with scant change in the prevailing summer conditions. The temperature remains high with an average high just slightly under July’s peak. Daily sunshine hovers around the same levels as July, sustaining the summer bloom. Weather in August »Weather in September
The September weather in Fairfield, Ohio, brings the start of fall, with diminishing heat and slowly shortening days. The most notable shifts appear in the declining temperatures and gradually increasig cloud cover. Although rainfall drops further, it is still relatively frequent, nourishing the transforming foliage. Weather in September »Weather in October
October brings unmistakable signs of fall to Fairfield, Ohio. The weather grows significantly cooler compared to September, with a concomitant reflecting a dip in daily sunshine hours. Despite the decreasing temperatures, October experiences a slight peak in rainfall, supplying adequate water to the transforming leaves. Weather in October »Weather in November
November stands at the threshold of winter, with the Fairfield weather turning decidedly colder. The transition from autumn to winter brings more apparent effects on the city's weather, exhibited in pronounced winter traits. As the humidity and rainfall continue to decrease, the increased wind speeds add an overt chill to the air. Weather in November »Weather in December
December ushers in the full-fledged winter, putting an end to the transitioning weather of November. Temperatures plunge further with the average high dropping to 40.8°F (4.9°C). Snowfall makes its full return, averaging about 1.22" (31mm) for the month. Weather in December »Updated: Feb 13, 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
The month of January sees the average lowest temperatures, reaching 35.2°F (1.8°C) at the peak and 22.8°F (-5.1°C) at the low.
January, February and December, with an average relative humidity of 81%, are most humid months.
Throughout the year, there are 147.8 rainfall days, and 24.33" (618mm) of precipitation is accumulated.
January through April, November and December are months with snowfall in Fairfield, Ohio.
In Fairfield, Ohio, during the entire year, snow falls for 25 days and aggregates up to 6.57" (167mm) of snow.
January has the least sunshine of the year, with an average of 4h of sunshine.
The months with the most snowfall are February and March, with an average 1.81" (46mm) of accumulated snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairfield, 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 in Fairfield is May, when the rain falls for 18.1 days and typically aggregates up to 2.99" (76mm) of precipitation.
In Fairfield, Ohio, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Fairfield.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June and July, with an average of 10.3h of sunshine, are months with the most sunshine.
In Fairfield, July is known for its average highest temperatures, reaching a high of 83.3°F (28.5°C) and a low of 65.7°F (18.7°C).
The month with the least rainfall in Fairfield, Ohio, is September, when the rain falls for 11.2 days and typically collects 1.42" (36mm) of precipitation.
With an average relative humidity of 74%, October is the least humid month.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Fairfield, Ohio.
The month with the lowest UV index in Fairfield, Ohio, is December, with an average maximum UV index of 1.
Average temperature
Fairfield, OH
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure
Fairfield, OH
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Fairfield, OH
- Average wind speed in January:
9.1mph - Average wind speed in February:
9mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.9mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
Fairfield, OH
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Fairfield, OH
- Average rainfall in January:
1.61" - Average rainfall in February:
2.01" - Average rainfall in March:
2.17" - Average rainfall in April:
2.64" - Average rainfall in May:
2.99" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.36" - Average rainfall in August:
1.69" - Average rainfall in September:
1.42" - Average rainfall in October:
1.5" - Average rainfall in November:
1.77" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days
Fairfield, OH
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Fairfield, OH
The months with the highest snowfall are February and March (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Fairfield, OH
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0 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 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Fairfield, OH
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 18min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Fairfield, OH
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19 days - Average sunshine days in December:
16 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Fairfield, OH
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Fairfield, OH
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Fairfield, 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).
