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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, is a wintry winter month in Princeton, Idaho, with an average temperature ranging between max 35.4°F (1.9°C) and min 25.5°F (-3.6°C). Princeton's shift into January sets the average high-temperature at a still cold 35.4°F (1.9°C), a figure that deviates only slightly from December's 34°F (1.1°C). Weather in January »
Weather in February
February, the last month of the winter in Princeton, is also a wintry month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 38.7°F (3.7°C). The advent of February observes an average high-temperature of a still wintry 38.7°F (3.7°C), nearly identical to January's 35.4°F (1.9°C). Weather in February »
Weather in March
March, the first month of the spring in Princeton, is a frosty month, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 31.8°F (-0.1°C). As Princeton welcomes March, the average high-temperature displays a subtle shift, adjusting from an icy 38.7°F (3.7°C) in February to a frosty 46.8°F (8.2°C). Weather in March »
Weather in April
April is a fresh spring month in Princeton, Idaho, with an average temperature fluctuating between 54.5°F (12.5°C) and 36°F (2.2°C). April brings a slight increase in the average high-temperature, progressing from a frosty 46.8°F (8.2°C) in March to a cool 54.5°F (12.5°C). Weather in April »
Weather in May
May, the last month of the spring in Princeton, is a refreshing month, with an average temperature fluctuating between 41.5°F (5.3°C) and 63.9°F (17.7°C). With the beginning of May, Princeton's average high-temperature sees an increase, transitioning from a cool 54.5°F (12.5°C) in April to an enjoyable 63.9°F (17.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Princeton, Idaho, with an average temperature fluctuating between 46.6°F (8.1°C) and 70°F (21.1°C). In June, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 63.9°F (17.7°C) in May to a pleasant 70°F (21.1°C). Weather in June »
Weather in July
July is a warm summer month in Princeton, Idaho, with an average temperature varying between 82.6°F (28.1°C) and 54.7°F (12.6°C). Princeton, Idaho, experiences a temperature shift with the start of July, with average high-temperatures moving from a pleasant 70°F (21.1°C) in June to a moderately hot 82.6°F (28.1°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Princeton, Idaho, with an average temperature varying between 58.1°F (14.5°C) and 83.7°F (28.7°C). In Princeton, the peak temperatures are generally noted in August, averaging a high of 83.7°F (28.7°C) and a low of 58.1°F (14.5°C). August's average heat index is computed to be 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Princeton, Idaho, with an average temperature ranging between max 73.4°F (23°C) and min 51.4°F (10.8°C). In Princeton, the beginning of September is marked by a lowered average high-temperature, shifting from August's 83.7°F (28.7°C) to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Princeton, Idaho, with an average temperature ranging between max 57.7°F (14.3°C) and min 41.4°F (5.2°C). With the onset of October, Princeton's average high-temperature experiences a noticeable drop, receding from September's warm 73.4°F (23°C) to a refreshing 57.7°F (14.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Princeton, is also a frosty month, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 31.8°F (-0.1°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's refreshing 57.7°F (14.3°C) to a frosty 43.7°F (6.5°C). Weather in November »
Weather in December
December, the first month of the winter in Princeton, is also an icy month, with an average temperature fluctuating between 34°F (1.1°C) and 24.1°F (-4.4°C). Temperature records mark December as the coldest month, with highs averaging 34°F (1.1°C) and lows at 24.1°F (-4.4°C). Weather in December »
Updated: Feb 12, 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 most humid month in Princeton?
The most humid month is January, with an average relative humidity of 87%.
How much does it rain in Princeton?
Throughout the year, in Princeton, there are 143.2 rainfall days, and 20.51" (521mm) of precipitation is accumulated.
When does it snow in Princeton?
January through May, September through December are months with snowfall.
What is the snowiest month in Princeton?
The month with the most snowfall is January, when snow falls for 13.7 days and typically aggregates up to 12.56" (319mm) of snow.
How much does it snow in Princeton?
In Princeton, Idaho, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.
What is the month with the least sunshine in Princeton?
The months with the least sunshine in Princeton, Idaho, are January, February and December, with an average of 4.5h of sunshine.
When is the lowest UV index in Princeton?
With an average maximum UV index of 1, February is the month with the lowest UV index.
When is Daylight Saving Time (DST) in Princeton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Princeton, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Princeton?
June through August are months without snowfall in Princeton, Idaho.
When are the longest days in Princeton?
The month with the longest days is June, with an average of 15h and 48min of daylight.
What is the driest month in Princeton?
The months with the least rainfall are July and August Rain falls for 5.9 days and accumulates 0.47" (12mm) of rain.
What is the month with the highest UV index in Princeton?
With an average maximum UV index of 6, July is the month with the highest UV index in Princeton.
What time of the year is the hottest in Princeton?
August is the warmest month in Princeton, Idaho, exhibiting average temperatures of 83.7°F (28.7°C) at the peak and 58.1°F (14.5°C) at the base.
What is the least humid month in Princeton?
With an average relative humidity of 40%, August is the least humid month in Princeton, Idaho.
What month has the most sunshine in Princeton?
The month with the most sunshine in Princeton, Idaho, is August, with an average of 12h of sunshine.
What month is the coldest in Princeton?
Princeton experiences its lowest temperatures in December, with an average peak of 34°F (1.1°C) and a low of 24.1°F (-4.4°C).
What is the wettest month in Princeton?
The month with the most rainfall in Princeton is December, when the rain falls for 11.6 days and typically aggregates up to 2.68" (68mm) of precipitation.
What is the month with the shortest days in Princeton?
December has the shortest days of the year in Princeton, with an average of 8h and 36min of daylight.
Average temperature
Princeton, ID
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure
Princeton, ID
- Average pressure in January:
30.2"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Princeton, ID
- Average wind speed in January:
5.8mph - Average wind speed in February:
5.8mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.1mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.8mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.6mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity
Princeton, ID
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall
Princeton, ID
- Average rainfall in January:
2.52" - Average rainfall in February:
2.17" - Average rainfall in March:
2.28" - Average rainfall in April:
2.01" - Average rainfall in May:
2.28" - Average rainfall in June:
1.5"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.47" - Average rainfall in September:
0.63" - Average rainfall in October:
1.61" - Average rainfall in November:
1.89" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days
Princeton, ID
- Average rainfall days in January:
10.9 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
16.6 days - Average rainfall days in April:
18.1 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
5.9 days - Average rainfall days in August:
5.9 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall
Princeton, ID
- Average snowfall in January:
12.56" - Average snowfall in February:
11.57" - Average snowfall in March:
6.14" - Average snowfall in April:
1.73" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Princeton, ID
- Average snowfall days in January:
13.7 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
6.1 days - Average snowfall days in December:
14.1 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Princeton, ID
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 3min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days
Princeton, ID
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
23.3 days - Average sunshine days in August:
21.6 days - Average sunshine days in September:
20.1 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
11.8 days - Average sunshine days in December:
11.8 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index
Princeton, ID
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Princeton, ID
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility
Princeton, ID
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Princeton, Idaho, USA
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