Climate of Princeton
Princeton has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Princeton is 16° degrees and there is about 223 mm of rain in a year. It is dry for 222 days a year with an average humidity of 77% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 2°C and 29°C
- Night:the average nighttime temperature is between -5°C and 19°C
- Rain: it rains 106 days and there is a total of approximately 223 mm rainfall
- Snow: it snows an average of 17 days per year
- Sun hours: throughout the year there are 2755 sun hours
Maximum temperature: | between 2°C and 29°C |
Warmest month: | 29°C in July |
Coldest month: | 2°C in January |
Night temperature: | between -5°C and 19°C |
Dry days: | 242 days |
Days with rain: | 106 days |
Days with snow: | 17 days |
Total rain sum: | 223 mm |
Hours of sunshine: | 2755 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Princeton.
Precipitation graph
This graph shows the average amount of rainfall per month for Princeton.
Climate table of Princeton
In this climate table you can see at a glance what the average weather per month is for Princeton. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Princeton might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 2 | 4 | 9 | 16 | 21 | 26 | 29 | 28 | 24 | 18 | 11 | 6 |
Night temp. (°C) | -5 | -4 | 0 | 6 | 12 | 16 | 19 | 18 | 15 | 9 | 3 | 0 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 16 | 16 | 22 | 11 | 18 | 16 | 20 | 23 | 16 | 22 | 21 | 22 |
Days with rain | 5 | 6 | 9 | 10 | 11 | 11 | 12 | 10 | 9 | 9 | 6 | 8 |
Days with snow | 5 | 5 | 4 | - | - | - | - | - | - | - | 1 | 2 |
Dry days | 21 | 17 | 18 | 20 | 20 | 19 | 19 | 21 | 21 | 22 | 23 | 21 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 6 | 9 | 9 | 10 | 11 | 11 | 9 | 6 | 5 | 5 |
Wind force (Bft) | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
UV-index | 2 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
Best time to visit Princeton
The best time to visit Princeton in the state of New Jersey is from May through October. In this period you have a warm temperature and almost no precipitation. The highest average temperature in Princeton is 29°C in July and the lowest is 2°C in January.
Climate of Princeton by month
What is the average climate in a given month for Princeton? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Princeton weather experiences
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