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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Princeton, California, is a mild winter month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 56.8°F (13.8°C). The weather during January records an average high-temperature of a mild 56.8°F (13.8°C), closely mirroring the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another mild month in Princeton, California, with an average temperature ranging between min 43°F (6.1°C) and max 59.7°F (15.4°C). February's presence records an average high-temperature of a still refreshing 59.7°F (15.4°C), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the spring in Princeton, is a refreshing month, with an average temperature varying between 64°F (17.8°C) and 44.4°F (6.9°C). February's transformation into March witnesses an average high-temperature of an enjoyable 64°F (17.8°C), noting a minor change from the preceding month. Weather in March »
Weather in April
April in Princeton, California, is a pleasant spring month, with an average temperature ranging between min 48.6°F (9.2°C) and max 71.6°F (22°C). As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a comfortable 64°F (17.8°C) to a pleasant 71.6°F (22°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Princeton, California, with an average temperature ranging between min 54.1°F (12.3°C) and max 80.4°F (26.9°C). With the onset of May, the average high-temperature subtly transitions from a pleasant 71.6°F (22°C) in April to a warm 80.4°F (26.9°C). Weather in May »
Weather in June
June, the first month of the summer in Princeton, is a tropical month, with an average temperature varying between 91.2°F (32.9°C) and 60.3°F (15.7°C). A rise in the average high-temperature is observed during June, moving from a warm 80.4°F (26.9°C) in May to a hot 91.2°F (32.9°C). Weather in June »
Weather in July
July is a sweltering summer month in Princeton, California, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 98.8°F (37.1°C). With average temperatures fluctuating between a high of 98.8°F (37.1°C) and a low of 61.5°F (16.4°C), July stands out as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Princeton, is another torrid month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 97°F (36.1°C). August observes an average high-temperature of a still torrid 97°F (36.1°C), marking an insignificant difference from July's 98.8°F (37.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a tropical month in Princeton, California, with temperature in the range of an average high of 90.7°F (32.6°C) and an average low of 61°F (16.1°C). A mild drop in Princeton's average high-temperature is observed in September, transitioning from a torrid 97°F (36.1°C) in August to a tropical 90.7°F (32.6°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Princeton, California, with an average temperature varying between 77.5°F (25.3°C) and 54.9°F (12.7°C). The arrival of October indicates a decrease in the average high-temperature, moving from a tropical 90.7°F (32.6°C) in September to a warm 77.5°F (25.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Princeton, is another refreshing month, with an average temperature varying between 63.9°F (17.7°C) and 47.3°F (8.5°C). Start of November brings a shift in the average high-temperature, falling from October's moderately hot 77.5°F (25.3°C) to a comfortable 63.9°F (17.7°C). Weather in November »
Weather in December
December, the first month of the winter in Princeton, is also a fresh month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 54.5°F (12.5°C). In Princeton, December is the coldest month, with temperatures averaging a high of 54.5°F (12.5°C) and a low of 42.1°F (5.6°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in Princeton?
In Princeton, during the entire year, the rain falls for 58.9 days and collects up to 6.89" (175mm) of precipitation.
What is the wettest month in Princeton?
The wettest months are February and December, with an average 1.3" (33mm) of rainfall.
What is the month with the lowest UV index in Princeton?
The months with the lowest UV index in Princeton, California, are February, November and December, with an average maximum UV index of 3.
What is the most humid month in Princeton?
With an average relative humidity of 71%, March is the most humid month in Princeton.
When is Daylight Saving Time (DST) in Princeton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Princeton, California, 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 are the longest days in Princeton?
June has the longest days of the year in Princeton, California, with an average of 14h and 54min of daylight.
What are the months with the highest UV index in Princeton?
June through August, with an average maximum UV index of 7, are months with the highest UV index in Princeton.
What are the warmest months in Princeton?
In Princeton, California, the average temperatures in July are the highest, with a peak at 98.8°F (37.1°C) and a low of 61.5°F (16.4°C).
What is the driest month in Princeton?
The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.
What month has the most sunshine in Princeton?
With an average of 12.1h of sunshine, July has the most sunshine of the year.
What is the least humid month in Princeton?
The least humid month in Princeton is September, with an average relative humidity of 36%.
What is the coldest month in Princeton?
In Princeton, December records the average lowest temperatures, peaking at 54.5°F (12.5°C) and reaching a low of 42.1°F (5.6°C).
What is the month with the shortest days in Princeton?
December has the shortest days of the year in Princeton, with an average of 9h and 24min of daylight.
What is the month with the least sunshine in Princeton?
The month with the least sunshine is December, with an average of 5.8h of sunshine.
Average temperature
Princeton, CA
The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure
Princeton, CA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Princeton, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6.5mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5mph - Average wind speed in September:
5.1mph - Average wind speed in October:
6mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.9mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Princeton, CA
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).
Average rainfall
Princeton, CA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.3" - Average rainfall in March:
1.06" - Average rainfall in April:
0.47" - Average rainfall in May:
0.35" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.39" - Average rainfall in November:
0.79" - Average rainfall in December:
1.3"
The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Princeton, CA
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.4 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
4.7 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
1.7 days - Average rainfall days in October:
2.7 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).
Average daylight / Average sunshine
Princeton, CA
- Average daylight in January:
9h and 5min - 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 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 3min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Princeton, CA
- Average sunshine days in January:
22.7 days - Average sunshine days in February:
20 days - Average sunshine days in March:
19.7 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
25.4 days - Average sunshine days in June:
27.6 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
29.1 days - Average sunshine days in September:
28 days - Average sunshine days in October:
27.6 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).
Average UV index
Princeton, CA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Princeton, CA
The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Princeton, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Princeton, California, USA
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