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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 Princeton, Iowa, is another subzero cold winter month, with an average temperature ranging between min 14.4°F (-9.8°C) and max 26.8°F (-2.9°C). January, with its average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 14.4°F (-9.8°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Princeton, Iowa, with an average temperature ranging between max 31.3°F (-0.4°C) and min 18.3°F (-7.6°C). February welcomes an average high-temperature of a still subzero cold 31.3°F (-0.4°C), not much different from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Princeton, is a chilly month, with an average temperature varying between 30.9°F (-0.6°C) and 45.9°F (7.7°C). In Princeton, the onset of March is marked by an increased average high-temperature, escalating from February's subzero cold 31.3°F (-0.4°C) to a chilly 45.9°F (7.7°C). Weather in March »
Weather in April
April is a mild spring month in Princeton, Iowa, with an average temperature ranging between min 40.8°F (4.9°C) and max 57.7°F (14.3°C). With the onset of April, the average high-temperature slightly shifts from March's chilly 45.9°F (7.7°C) to a mild 57.7°F (14.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Princeton, Iowa, with an average temperature fluctuating between 52.5°F (11.4°C) and 69.3°F (20.7°C). With the onset of May, Princeton's weather sees a temperature rise, transitioning from a moderate 57.7°F (14.3°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Princeton, is a warm month, with an average temperature ranging between max 78.4°F (25.8°C) and min 61.3°F (16.3°C). The shift from May to June sees an increase in the average high-temperature, transitioning from an agreeable 69.3°F (20.7°C) to a warm 78.4°F (25.8°C). Weather in June »
Weather in July
July, like June, in Princeton, Iowa, is another warm summer month, with an average temperature ranging between max 80.4°F (26.9°C) and min 64.2°F (17.9°C). The month of July, characterized by an average high of 80.4°F (26.9°C) and a low of 64.2°F (17.9°C), is recognized as the warmest. Weather in July »
Weather in August
August, the last month of the summer in Princeton, is also a moderately hot month, with an average temperature varying between 61.9°F (16.6°C) and 80.1°F (26.7°C). August's onset brings an average high-temperature of a still moderately hot 80.1°F (26.7°C), showing a minute difference from July's 80.4°F (26.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Princeton, is also a moderately hot month, with an average temperature fluctuating between 74.1°F (23.4°C) and 55°F (12.8°C). Princeton's September weather features a light decline in high-temperatures, reducing from a warm 80.1°F (26.7°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »
Weather in October
October, the same as September, in Princeton, Iowa, is another mild autumn month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 44.2°F (6.8°C). October brings a minor decrease, with the average high-temperature reducing from a moderately hot 74.1°F (23.4°C) in September to a refreshing 60.4°F (15.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Princeton, is also a frosty month, with an average temperature fluctuating between 45.7°F (7.6°C) and 32.2°F (0.1°C). A decrease in the average high-temperature marks November, falling from October's mild 60.4°F (15.8°C) to a chilly 45.7°F (7.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Princeton, Iowa, with an average temperature varying between 22.6°F (-5.2°C) and 33.6°F (0.9°C). The average high-temperature decreases in December, shifting from a frosty 45.7°F (7.6°C) in November to an icy 33.6°F (0.9°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Princeton?
January, noted for its average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 14.4°F (-9.8°C), is considered the coldest month in Princeton.
What is the most humid month in Princeton?
The most humid month in Princeton, Iowa, is January, with an average relative humidity of 85%.
What is the driest month in Princeton?
The months with the least rainfall are January and February Rain falls for 5.6 days and accumulates 1.34" (34mm) of rain.
How much does it rain in Princeton?
Throughout the year, in Princeton, Iowa, there are 146.6 rainfall days, and 28.86" (733mm) of precipitation is accumulated.
When does it snow in Princeton?
January through April, October through December are months with snowfall in Princeton.
What is the snowiest month in Princeton?
The month with the most snowfall is January, when snow falls for 12.3 days and typically aggregates up to 4.8" (122mm) of snow.
How much does it snow in Princeton?
Throughout the year, there are 40.4 snowfall days, and 14.72" (374mm) of snow is accumulated.
What is the month with the least sunshine in Princeton?
With an average of 4h of sunshine, January has the least sunshine of the year in Princeton, Iowa.
When is the lowest UV index in Princeton?
January is the month with the lowest UV index in Princeton, Iowa, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Princeton?
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 rainiest month in Princeton?
May is the month with the most rainfall in Princeton. Rain falls for 18 days and accumulates 4.45" (113mm) of precipitation.
When it does not snow in Princeton?
In Princeton, Iowa, snow does not fall in May through September.
When are the longest days in Princeton?
The month with the longest days in Princeton is June, with an average of 15h and 12min of daylight.
What is the month with the highest UV index in Princeton?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months in Princeton?
July is the warmest month, with an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 64.2°F (17.9°C).
What month has the most sunshine in Princeton?
With an average of 10h of sunshine, August has the most sunshine of the year.
What is the least humid month in Princeton?
The least humid month in Princeton is October, with an average relative humidity of 73%.
What is the month with the shortest days in Princeton?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
Average temperature
Princeton, IA
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Princeton, IA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Princeton, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Princeton, IA
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Princeton, IA
- Average rainfall in January:
1.34" - Average rainfall in February:
1.34" - Average rainfall in March:
1.93" - Average rainfall in April:
3.23" - Average rainfall in May:
4.45" - Average rainfall in June:
3.66"
- Average rainfall in July:
2.8" - Average rainfall in August:
1.89" - Average rainfall in September:
2.36" - Average rainfall in October:
2.64" - Average rainfall in November:
1.85" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and February (1.34").
Average rainfall days
Princeton, IA
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
18 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Princeton, IA
The month with the highest snowfall is January (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Princeton, IA
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
9.7 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
1.3 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:
0.5 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
8.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Princeton, 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 4min - 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 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days
Princeton, IA
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.9 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.9 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
18 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Princeton, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Princeton, IA
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Princeton, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Princeton, Iowa, USA
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