Climate and monthly weather forecastHarpster, OH
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Harpster, Ohio, with an average temperature fluctuating between 19.8°F (-6.8°C) and 31.1°F (-0.5°C). January is Harpster's coldest month, registering average high temperatures of 31.1°F (-0.5°C) and lows of 19.8°F (-6.8°C). Weather in January »Weather in February
February, the last month of the winter in Harpster, is a cold month, with an average temperature varying between 35.2°F (1.8°C) and 22.6°F (-5.2°C). As Harpster welcomes February, the average high-temperature records at a cold 35.2°F (1.8°C), marking an insignificant deviation from the prior month. Weather in February »Weather in March
March, the first month of the spring in Harpster, is a frosty month, with an average temperature ranging between max 46°F (7.8°C) and min 31.5°F (-0.3°C). March witnesses an increase in the average high-temperature, moving from a cold 35.2°F (1.8°C) in February to a chilly 46°F (7.8°C). Weather in March »Weather in April
April is a mild spring month in Harpster, Ohio, with an average temperature fluctuating between 41.7°F (5.4°C) and 58.6°F (14.8°C). April's arrival brings a change in high-temperatures, moving from a chilly 46°F (7.8°C) in March to a moderate 58.6°F (14.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Harpster, Ohio, with an average temperature fluctuating between 70.3°F (21.3°C) and 53.2°F (11.8°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a moderate 58.6°F (14.8°C) to an agreeable 70.3°F (21.3°C). Weather in May »Weather in June
June, the first month of the summer in Harpster, is a warm month, with an average temperature fluctuating between 60.3°F (15.7°C) and 77.5°F (25.3°C). June signifies a subtle uplift in the average high-temperature, adjusting from a pleasant 70.3°F (21.3°C) in May to a warm 77.5°F (25.3°C). Weather in June »Weather in July
July, like June, in Harpster, Ohio, is another warm summer month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 80.2°F (26.8°C). In Harpster, the month of July is known for its highest average temperatures, reaching a high of 80.2°F (26.8°C) and a low of 63.1°F (17.3°C). Weather in July »Weather in August
August, the last month of the summer in Harpster, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 60.8°F (16°C). As August takes its course, Harpster's average high-temperature registers at a still moderately hot 78.6°F (25.9°C), closely aligning with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Harpster, Ohio, with an average temperature fluctuating between 55.4°F (13°C) and 73.4°F (23°C). In September, Harpster notes an average high-temperature of a still warm 73.4°F (23°C), hardly different from the preceding month. Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Harpster, Ohio, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 61.7°F (16.5°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a warm 73.4°F (23°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Harpster, Ohio, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 48.2°F (9°C). The decrease of average high-temperatures is mild in November, with a decline from a comfortable 61.7°F (16.5°C) in October to a frosty 48.2°F (9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Harpster, Ohio, with an average temperature fluctuating between 37°F (2.8°C) and 27.5°F (-2.5°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 48.2°F (9°C) in November to a wintry 37°F (2.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Harpster, OH
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Harpster, OH
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"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:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Harpster, OH
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity
Harpster, OH
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
Harpster, OH
- Average rainfall in January:
2.01" - Average rainfall in February:
1.81" - Average rainfall in March:
2.32" - Average rainfall in April:
2.95" - Average rainfall in May:
3.39" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.4" - Average rainfall in September:
2.01" - Average rainfall in October:
2.28" - Average rainfall in November:
1.89" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days
Harpster, OH
- Average rainfall days in January:
9 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
17.7 days - Average rainfall days in May:
19.4 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall
Harpster, OH
- Average snowfall in January:
3.23" - Average snowfall in February:
4.09" - Average snowfall in March:
1.85" - Average snowfall in April:
0.55" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Harpster, OH
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
12.4 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
4.9 days - Average snowfall days in December:
11.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Harpster, OH
- Average daylight in January:
9h and 42min - 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 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 54min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 12min - Average sunshine in December:
3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Harpster, OH
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
9.9 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.5 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are February and May (9.3 days).
Average UV index
Harpster, OH
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Harpster, OH
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Harpster, OH
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).





