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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, is another subzero cold winter month in Treynor, Iowa, with an average temperature varying between 16.3°F (-8.7°C) and 29.8°F (-1.2°C). During the coldest month, January, temperatures average a high of 29.8°F (-1.2°C) and a low of 16.3°F (-8.7°C). Weather in January »
Weather in February
February, the last month of the winter in Treynor, is a wintry month, with an average temperature ranging between max 33.8°F (1°C) and min 19.8°F (-6.8°C). February's average high-temperature stands at an icy 33.8°F (1°C), showing little deviation from January's 29.8°F (-1.2°C). Weather in February »
Weather in March
March, the first month of the spring in Treynor, is a chilly month, with an average temperature varying between 33.3°F (0.7°C) and 49.6°F (9.8°C). March brings with it a considerable temperature increase, with average high-temperatures rising from February's cold 33.8°F (1°C) to a frosty 49.6°F (9.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Treynor, Iowa, with an average temperature varying between 43.3°F (6.3°C) and 60.8°F (16°C). The beginning of April signals a rise in the average high-temperature, moving from a frosty 49.6°F (9.8°C) in March to an enjoyable 60.8°F (16°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Treynor, Iowa, with an average temperature varying between 70.9°F (21.6°C) and 53.8°F (12.1°C). The start of May brings a shift in the average high-temperature, increasing from April's comfortable 60.8°F (16°C) to an agreeable 70.9°F (21.6°C). Weather in May »
Weather in June
June, the first month of the summer in Treynor, is a moderately hot month, with an average temperature ranging between min 64.2°F (17.9°C) and max 81.1°F (27.3°C). June shows a rise in the average high-temperature, moving from May's agreeable 70.9°F (21.6°C) to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, like June, in Treynor, Iowa, is another warm summer month, with an average temperature ranging between max 84°F (28.9°C) and min 65.8°F (18.8°C). July, noted for its average high-temperature of 84°F (28.9°C) and an average low-temperature of 65.8°F (18.8°C), is considered the warmest month. For most parts of July, the heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Treynor, is also a moderately hot month, with an average temperature ranging between min 63.1°F (17.3°C) and max 82°F (27.8°C). The average high-temperature during August is a still warm 82°F (27.8°C), almost matching the conditions of the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Treynor, Iowa, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 56.8°F (13.8°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from 82°F (27.8°C) in August to a still warm 76.6°F (24.8°C). Weather in September »
Weather in October
October, like September, in Treynor, Iowa, is another comfortable autumn month, with an average temperature varying between 45°F (7.2°C) and 61.5°F (16.4°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a moderately hot 76.6°F (24.8°C) to a comfortable 61.5°F (16.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Treynor, Iowa, with an average temperature varying between 33.3°F (0.7°C) and 48.2°F (9°C). Treynor's November weather features a mild decline in high-temperatures, reducing from an enjoyable 61.5°F (16.4°C) in October to a chilly 48.2°F (9°C). Weather in November »
Weather in December
December, the first month of the winter in Treynor, is also an icy month, with temperature in the range of an average high of 33.6°F (0.9°C) and an average low of 21.9°F (-5.6°C). December's arrival witnesses a distinct drop in the average high-temperature, receding from November's frosty 48.2°F (9°C) to an icy 33.6°F (0.9°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Treynor?
Treynor's coldest month, January, registers temperatures that range from a high of 29.8°F (-1.2°C) to a low of 16.3°F (-8.7°C).
What is the most humid month in Treynor?
With an average relative humidity of 81%, January is the most humid month.
What is the driest month in Treynor?
The month with the least rainfall in Treynor is January, when the rain falls for 4.4 days and typically collects 0.83" (21mm) of precipitation.
How many days does it rain in Treynor?
In Treynor, Iowa, during the entire year, the rain falls for 125.8 days and collects up to 25.35" (644mm) of precipitation.
When does it snow in Treynor?
January through May, October through December are months with snowfall in Treynor.
How many days does it snow in Treynor?
Throughout the year, in Treynor, there are 33.7 snowfall days, and 13.07" (332mm) of snow is accumulated.
What is the month with the least sunshine in Treynor?
With an average of 4.7h of sunshine, January has the least sunshine of the year in Treynor.
What are the months with the lowest UV index in Treynor?
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
When does it snow the most in Treynor?
February is the month with the most snowfall in Treynor. Snow falls for 8.4 days and accumulates 3.74" (95mm) of snow.
When is Daylight Saving Time (DST) in Treynor?
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 in Treynor?
May is the month with the most rainfall in Treynor. Rain falls for 17.5 days and accumulates 4.09" (104mm) of precipitation.
When it does not snow in Treynor?
June through September are months without snowfall in Treynor, Iowa.
When are the longest days in Treynor?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the month with the highest UV index in Treynor?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Treynor?
July, recording an average high temperature of 84°F (28.9°C) and a low temperature of 65.8°F (18.8°C), is Treynor's warmest month.
What month has the most sunshine in Treynor?
With an average of 10.5h of sunshine, July has the most sunshine of the year.
What is the least humid month in Treynor?
The least humid month in Treynor, Iowa, is October, with an average relative humidity of 67%.
What is the month with the shortest days in Treynor?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Treynor, IA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (29.8°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 (16.3°F).
Average pressure
Treynor, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Treynor, IA
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
7mph - Average wind speed in August:
7.2mph - Average wind speed in September:
8.3mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity
Treynor, IA
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (67%).
Average rainfall
Treynor, IA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.87" - Average rainfall in March:
1.5" - Average rainfall in April:
2.13" - Average rainfall in May:
4.09" - Average rainfall in June:
4.06"
- Average rainfall in July:
2.13" - Average rainfall in August:
2.68" - Average rainfall in September:
2.17" - Average rainfall in October:
2.36" - Average rainfall in November:
0.98" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days
Treynor, IA
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
14 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
5.8 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall
Treynor, IA
- Average snowfall in January:
3.23" - Average snowfall in February:
3.74" - Average snowfall in March:
1.65" - Average snowfall in April:
0.79" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Treynor, IA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
8.4 days - Average snowfall days in March:
4.2 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0.8 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Treynor, IA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
5h and 3min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days
Treynor, IA
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index
Treynor, IA
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, October, November and December (UV index 2).
Average cloud cover
Treynor, IA
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Treynor, 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).
Treynor, Iowa, USA
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