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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Merwin, Ohio, is a wintry winter month, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 36.1°F (2.3°C). Temperature records mark January as the coldest month, with highs averaging 36.1°F (2.3°C) and lows at 23.5°F (-4.7°C). Weather in January »
Weather in February
February, the last month of the winter in Merwin, is another cold month, with an average temperature fluctuating between 40.6°F (4.8°C) and 26.8°F (-2.9°C). Stepping into February, Merwin records an average high-temperature of a still cold 40.6°F (4.8°C), almost consistent with January. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Merwin, Ohio, with an average temperature ranging between min 35.6°F (2°C) and max 51.6°F (10.9°C). As March arrives, Merwin's weather shows an increase in high-temperatures, moving from February's icy 40.6°F (4.8°C) to a fresh 51.6°F (10.9°C). Weather in March »
Weather in April
April in Merwin, Ohio, is a comfortable spring month, with an average temperature varying between 45.1°F (7.3°C) and 63.3°F (17.4°C). In Merwin, the average high-temperature in April rises, from a fresh 51.6°F (10.9°C) in March, to a refreshing 63.3°F (17.4°C). Weather in April »
Weather in May
May, the last month of the spring in Merwin, is a moderately hot month, with an average temperature varying between 73.4°F (23°C) and 55.4°F (13°C). Merwin's weather in May presents a rise in the average high-temperature, moving from a refreshing 63.3°F (17.4°C) in April to a moderately hot 73.4°F (23°C). Weather in May »
Weather in June
June, the first month of the summer in Merwin, is still a warm month, with an average temperature ranging between min 62.2°F (16.8°C) and max 81.1°F (27.3°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's moderately hot 73.4°F (23°C) to a still warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, like June, in Merwin, Ohio, is another warm summer month, with an average temperature ranging between min 65.8°F (18.8°C) and max 84.4°F (29.1°C). The warmest period is July, when temperatures fluctuate between an average high of 84.4°F (29.1°C) and a low of 65.8°F (18.8°C). In July, the average heat index is estimated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Merwin, is also a moderately hot month, with an average temperature ranging between min 64.2°F (17.9°C) and max 83.3°F (28.5°C). In August, the average high-temperature registers at a still moderately hot 83.3°F (28.5°C), nearly identical to July's 84.4°F (29.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Merwin, Ohio, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 58.3°F (14.6°C). Merwin, Ohio, in September experiences a gentle temperature dip, with average high-temperatures reducing from 83.3°F (28.5°C) in August to a still warm 77.4°F (25.2°C). Weather in September »
Weather in October
October, like September, in Merwin, Ohio, is another refreshing autumn month, with an average temperature varying between 47.3°F (8.5°C) and 64.4°F (18°C). October's arrival corresponds with a decrease in average high-temperatures, from September's moderately hot 77.4°F (25.2°C) to a comfortable 64.4°F (18°C). Weather in October »
Weather in November
November, the last month of the autumn in Merwin, is another cool month, with an average temperature varying between 51.3°F (10.7°C) and 36.3°F (2.4°C). The average high-temperature drops in November, from October's enjoyable 64.4°F (18°C) to a cool 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Merwin, Ohio, with an average temperature varying between 41.7°F (5.4°C) and 30.6°F (-0.8°C). A moderate decline in the average high-temperature is seen during December, decreasing from a cool 51.3°F (10.7°C) in November to a cold 41.7°F (5.4°C). Weather in December »
Updated: Jun 28, 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
What is the coldest time of year?
Merwin records the coldest temperatures in January, averaging a high of 36.1°F (2.3°C) and a low of 23.5°F (-4.7°C).
What is the most humid month?
January, February and December, with an average relative humidity of 81%, are most humid months.
How much does it rain?
Throughout the year, there are 139.9 rainfall days, and 18.11" (460mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How much does it snow?
In Merwin, during the entire year, snow falls for 28.2 days and aggregates up to 6.46" (164mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
What is the month with the lowest UV index in Merwin?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 4.3 days and typically aggregates up to 1.61" (41mm) 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 wettest month?
May is the month with the most rainfall. Rain falls for 15.5 days and accumulates 2.05" (52mm) of precipitation.
When it does not snow?
In Merwin, snow does not fall in May through October.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What are the months with the highest UV index in Merwin?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July, noted for its average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
What is the least humid month?
The months with the lowest humidity are August through October, with an average relative humidity of 75%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.1 days and typically collects 0.94" (24mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Merwin, OH
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Merwin, 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:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"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
Merwin, OH
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5.7mph - Average wind speed in October:
7mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity
Merwin, OH
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall
Merwin, OH
- Average rainfall in January:
1.22" - Average rainfall in February:
1.57" - Average rainfall in March:
1.54" - Average rainfall in April:
1.89" - Average rainfall in May:
2.05" - Average rainfall in June:
1.81"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.38" - Average rainfall in September:
0.94" - Average rainfall in October:
1.14" - Average rainfall in November:
1.3" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days
Merwin, OH
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall
Merwin, OH
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Merwin, OH
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Merwin, OH
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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:
3h and 5min - Average sunshine in February:
5h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Merwin, OH
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index
Merwin, OH
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Merwin, OH
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Merwin, 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).
Merwin, Ohio, USA
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