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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 Waterloo, Ohio, is an icy winter month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 24.3°F (-4.3°C). Waterloo experiences its lowest average temperatures in January, reaching a peak of 37.9°F (3.3°C) and a minimum of 24.3°F (-4.3°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Waterloo, Ohio, with an average temperature varying between 42.4°F (5.8°C) and 27.9°F (-2.3°C). Waterloo's February showcases an average high-temperature of a still cold 42.4°F (5.8°C), hardly distinct from January's 37.9°F (3.3°C). Weather in February »
Weather in March
March, the first month of the spring in Waterloo, is a cool month, with an average temperature fluctuating between 52.5°F (11.4°C) and 35.8°F (2.1°C). In Waterloo, stepping into March brings a temperature increase, moving up from February's wintry 42.4°F (5.8°C) to a fresh 52.5°F (11.4°C). Weather in March »
Weather in April
April in Waterloo, Ohio, is a refreshing spring month, with an average temperature varying between 44.8°F (7.1°C) and 64.9°F (18.3°C). April brings a temperature change, with average high-temperatures moving from March's fresh 52.5°F (11.4°C) to a comfortable 64.9°F (18.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Waterloo, Ohio, with an average temperature ranging between max 75.4°F (24.1°C) and min 54.5°F (12.5°C). The shift into May brings an increase in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) in April to a moderately hot 75.4°F (24.1°C). Weather in May »
Weather in June
June, the first month of the summer in Waterloo, is still a warm month, with an average temperature ranging between max 82.9°F (28.3°C) and min 60.6°F (15.9°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from 75.4°F (24.1°C) in May to a still moderately hot 82.9°F (28.3°C). Weather in June »
Weather in July
July is a hot summer month in Waterloo, Ohio, with an average temperature ranging between min 64.4°F (18°C) and max 86.5°F (30.3°C). With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month. July's heat index is computed to be a torrid 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Waterloo, Ohio, with an average temperature fluctuating between 85.3°F (29.6°C) and 62.6°F (17°C). Waterloo starts August with an average high-temperature of a moderately hot 85.3°F (29.6°C), a minor shift from July's 86.5°F (30.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Waterloo, Ohio, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 57.7°F (14.3°C). The arrival of September is marked by a minor reduction in average high-temperature, sliding from 85.3°F (29.6°C) in August to a still moderately hot 79°F (26.1°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Waterloo, Ohio, with an average temperature ranging between max 65.8°F (18.8°C) and min 46.9°F (8.3°C). Waterloo observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 79°F (26.1°C) to a refreshing 65.8°F (18.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Waterloo, is also a fresh month, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 52.5°F (11.4°C). November comes with a drop in the average high-temperature, falling from October's enjoyable 65.8°F (18.8°C) to a fresh 52.5°F (11.4°C). Weather in November »
Weather in December
December, the first month of the winter in Waterloo, is still a chilly month, with an average temperature ranging between max 43.2°F (6.2°C) and min 31.3°F (-0.4°C). During the transition into December, Waterloo observes a decrease in the average high-temperature, falling from a fresh 52.5°F (11.4°C) in November to a frosty 43.2°F (6.2°C). 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
What time of the year is the coldest in Waterloo?
January is the month that records the lowest temperatures in Waterloo, Ohio, with averages ranging from a high of 37.9°F (3.3°C) to a low of 24.3°F (-4.3°C).
How many days does it rain in Waterloo?
Throughout the year, there are 149 rainfall days, and 16.26" (413mm) of precipitation is accumulated.
When does it snow in Waterloo?
Months with snowfall in Waterloo, Ohio, are January through April, October through December.
How many days does it snow in Waterloo?
In Waterloo, during the entire year, snow falls for 34 days and aggregates up to 6.06" (154mm) of snow.
What is the month with the least sunshine in Waterloo?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
When is the lowest UV index in Waterloo?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Waterloo.
What is the most humid month in Waterloo?
The most humid month in Waterloo is February, with an average relative humidity of 82%.
What is the snowiest month in Waterloo?
The month with the most snowfall is February, when snow falls for 8.7 days and typically aggregates up to 1.89" (48mm) of snow.
When is Daylight Saving Time (DST) in Waterloo?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Waterloo, 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 in Waterloo?
May is the month with the most rainfall in Waterloo. Rain falls for 17.8 days and accumulates 1.93" (49mm) of precipitation.
When it does not snow in Waterloo?
In Waterloo, snow does not fall in May through September.
What are the months with the highest UV index in Waterloo?
The months with the highest UV index in Waterloo are May through August, with an average maximum UV index of 6.
When are the longest days in Waterloo?
June has the longest days of the year in Waterloo, Ohio, with an average of 14h and 48min of daylight.
What is the warmest month in Waterloo?
Waterloo, Ohio, records the warmest temperatures in July, averaging a high of 86.5°F (30.3°C) and a low of 64.4°F (18°C).
What is the least humid month in Waterloo?
With an average relative humidity of 74%, August is the least humid month in Waterloo, Ohio.
What month has the most sunshine in Waterloo?
August has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the driest month in Waterloo?
The month with the least rainfall in Waterloo, Ohio, is November, when the rain falls for 8.8 days and typically collects 0.83" (21mm) of precipitation.
What is the month with the shortest days in Waterloo?
December has the shortest days of the year in Waterloo, Ohio, with an average of 9h and 30min of daylight.
Average temperature
Waterloo, OH
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Waterloo, OH
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Waterloo, OH
- Average wind speed in January:
6.9mph - Average wind speed in February:
7mph - Average wind speed in March:
6.7mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.6mph - Average wind speed in November:
6mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Waterloo, OH
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall
Waterloo, OH
- Average rainfall in January:
1.02" - Average rainfall in February:
1.46" - Average rainfall in March:
1.26" - Average rainfall in April:
1.65" - Average rainfall in May:
1.93" - Average rainfall in June:
1.65"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days
Waterloo, OH
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.4 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Waterloo, OH
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Waterloo, OH
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
4.8 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:
2.2 days - Average snowfall days in December:
6.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Waterloo, 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 1min - 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 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Waterloo, OH
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
19 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.3 days).
Average UV index
Waterloo, OH
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Waterloo, OH
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Waterloo, OH
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Waterloo, Ohio, USA
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