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Cambridge Weather by Month
Average temperatures, rainfall and humidity for Cambridge, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Cambridge month looks like before you travel — then check the live Cambridge forecast for the days ahead.
Warmest month
July
29°C average high
Coolest month
January
-5°C average low
Wettest month
October
104 mm of rain
Driest month
February
43 mm of rain
Average temperature and rainfall in Cambridge by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 3°C | -5°C | -21°C / 20°C | 66 mm | 69% | 15 km/h |
| February | 4°C | -4°C | -24°C / 22°C | 43 mm | 69% | 15 km/h |
| March | 8°C | 0°C | -18°C / 24°C | 72 mm | 65% | 17 km/h |
| April | 14°C | 5°C | -8°C / 31°C | 82 mm | 66% | 17 km/h |
| May | 21°C | 10°C | 1°C / 36°C | 88 mm | 68% | 14 km/h |
| June | 25°C | 15°C | 4°C / 38°C | 98 mm | 70% | 12 km/h |
| July | 29°C | 19°C | 12°C / 38°C | 95 mm | 73% | 12 km/h |
| August | 27°C | 18°C | 10°C / 36°C | 70 mm | 73% | 11 km/h |
| September | 23°C | 14°C | 4°C / 34°C | 82 mm | 75% | 11 km/h |
| October | 17°C | 9°C | -5°C / 29°C | 104 mm | 76% | 12 km/h |
| November | 11°C | 2°C | -13°C / 27°C | 70 mm | 69% | 14 km/h |
| December | 6°C | -2°C | -18°C / 19°C | 93 mm | 72% | 14 km/h |
Best time to visit Cambridge
The most comfortable time to visit Cambridge is generally June and August to September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around October, totalling about 964 mm a year.
Travellers who prefer heat should aim for July, when highs average 29°C. October is the month to avoid if rain would spoil your plans — it averages 104 mm, roughly 2× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cambridge forecast for what is happening now.
Weather across United States right now
- Atlanta25°C
- Austin26°C
- Baltimore22°C
- Boston19°C
- Brooklyn23°C
- Chicago25°C
- Dallas26°C
- Denver20°C
- Detroit20°C
- Houston27°C
- Indianapolis25°C
- Las Vegas25°C
- Los Angeles15°C
- Miami27°C
- Minneapolis24°C
- New York23°C
- Orlando24°C
- Philadelphia24°C
- Phoenix31°C
- Pittsburgh20°C
- Portland13°C
- Queens24°C
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- Sacramento18°C
- San Antonio27°C
- San Diego17°C
- San Francisco14°C
- San Jose17°C
- Seattle12°C
- St. Louis27°C
- Tampa25°C
- Washington22°C
