Cruz Bay Weather in July
What's the weather like in Cruz Bay (Saint John Island) in July 2025?
The climate in Cruz Bay during July can be summarized as hot, humid and a little damp.
July is in the summer in Cruz Bay and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 30.4°C 86.7°F |
|---|---|
| Nightly temperature | 24°C 75.2°F |
| Average temperature | 27.2°C 81°F |
| Daily sunshine | 9.2 hrs |
| Avg rainfall | 85 mm 3.4 ins |
| Rainy days | 18 days |
| Sea temperature | 28.3°C 82.9°F |
| Humidity | 76% |
| Windspeed | 19.1kph 12 mph |
On average July is the 5th driest month of the year in Cruz Bay with around 85mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
July temperatures in Cruz Bay
July rainfall
July hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cruz Bay in July 2025.
Other monthly averages
Cruz Bay weather stats
| Hottest month: | August | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | February | 54mm 2.1ins |
| Sunniest month: | March | 9.3hrs |
| Coldest month: | January | 27.5°C 81.5°F |
| Wettest month: | October | 161mm 6.3ins |
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