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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, the same as December, in Terril, Iowa, is another subzero cold winter month, with temperature in the range of an average low of 9.5°F (-12.5°C) and an average high of 22.8°F (-5.1°C). With its high average temperature of 22.8°F (-5.1°C) and a low of 9.5°F (-12.5°C), January is regarded as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Terril, is another freezing cold month, with an average temperature varying between 12.7°F (-10.7°C) and 25.9°F (-3.4°C). The initiation of February records an average high-temperature of a still freezing cold 25.9°F (-3.4°C), displaying a near consistency with the previous month. Weather in February »
Weather in March
March, the first month of the spring in Terril, is an icy month, with an average temperature varying between 27.9°F (-2.3°C) and 41.7°F (5.4°C). The beginning of March marks a clear shift in the average high-temperature, advancing from February's subzero cold 25.9°F (-3.4°C) to an icy 41.7°F (5.4°C). Weather in March »
Weather in April
April in Terril, Iowa, is a cool spring month, with an average temperature ranging between max 55°F (12.8°C) and min 39.6°F (4.2°C). April's arrival sees a rise in the average high-temperature, jumping from March's wintry 41.7°F (5.4°C) to a cool 55°F (12.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Terril, Iowa, with an average temperature ranging between min 50.9°F (10.5°C) and max 67.6°F (19.8°C). The average high-temperature increases in May, moving from a cool 55°F (12.8°C) in April to a refreshing 67.6°F (19.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Terril, Iowa, with an average temperature varying between 61°F (16.1°C) and 77°F (25°C). The arrival of June signals an increase in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) in May to a warm 77°F (25°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Terril, Iowa, with an average temperature ranging between min 62.6°F (17°C) and max 80.2°F (26.8°C). In Terril, July is the warmest month, with temperatures averaging a high of 80.2°F (26.8°C) and a low of 62.6°F (17°C). Weather in July »
Weather in August
August, the last month of the summer in Terril, is also a moderately hot month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 59.5°F (15.3°C). During August, Terril observes a subtle ascent to a still moderately hot 77.9°F (25.5°C) from July's 80.2°F (26.8°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Terril, Iowa, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 72.7°F (22.6°C). September's commencement is accompanied by an average high-temperature of a pleasant 72.7°F (22.6°C), diverging marginally from August's 77.9°F (25.5°C). Weather in September »
Weather in October
October, the same as September, in Terril, Iowa, is another refreshing autumn month, with an average temperature varying between 41.9°F (5.5°C) and 56.7°F (13.7°C). October indicates a noticeable reduction in the average high-temperature, moving down from a pleasant 72.7°F (22.6°C) in September to a moderate 56.7°F (13.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Terril, is also an icy month, with an average temperature varying between 42.4°F (5.8°C) and 29.7°F (-1.3°C). November's arrival corresponds with a decrease in average high-temperatures, from October's mild 56.7°F (13.7°C) to a cold 42.4°F (5.8°C). Weather in November »
Weather in December
December, the first month of the winter in Terril, is still a freezing cold month, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 16.3°F (-8.7°C). As Terril welcomes December, there is a noticeable shift in the average high-temperature, dropping from November's cold 42.4°F (5.8°C) to a freezing cold 27.3°F (-2.6°C). Weather in December »
Updated: Aug 27, 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?
Terril's coldest month, January, generally records average temperatures ranging from a high of 22.8°F (-5.1°C) to a low of 9.5°F (-12.5°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 88%.
What is the driest month in Terril?
The month with the least rainfall in Terril is January, when the rain falls for 3.3 days and typically collects 0.83" (21mm) of precipitation.
How many days does it rain?
Throughout the year, there are 121.8 rainfall days, and 23.27" (591mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 48.3 snowfall days, and 21.18" (538mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4h of sunshine.
When is the lowest UV index?
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 5.04" (128mm) 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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month?
June is the month with the most rainfall. Rain falls for 16.1 days and accumulates 3.46" (88mm) of precipitation.
When it does not snow?
In Terril, snow does not fall in June through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 18min of daylight.
What are the months with the highest UV index in Terril?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July, with an average high of 80.2°F (26.8°C) and a low of 62.6°F (17°C), signifies the warmest month of the year.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the least humid month?
With an average relative humidity of 68%, October is the least humid month.
What is the month with the shortest days?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Terril, IA
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure
Terril, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Terril, IA
- Average wind speed in January:
11.2mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.9mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.7mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.7mph - Average wind speed in August:
7.8mph - Average wind speed in September:
9.1mph - Average wind speed in October:
10.6mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity
Terril, IA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Terril, IA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.98" - Average rainfall in March:
1.65" - Average rainfall in April:
2.56" - Average rainfall in May:
3.07" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.13" - Average rainfall in September:
2.2" - Average rainfall in October:
1.85" - Average rainfall in November:
1.02" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days
Terril, IA
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
12 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (3 days).
Average snowfall
Terril, IA
- Average snowfall in January:
3.82" - Average snowfall in February:
5.04" - Average snowfall in March:
3.82" - Average snowfall in April:
1.81" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Terril, IA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
7 days - Average snowfall days in April:
2.7 days - Average snowfall days in May:
0.4 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:
1.5 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
11 days
The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Terril, IA
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Terril, IA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
16 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index
Terril, IA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover
Terril, IA
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Terril, IA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Terril, Iowa, USA
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