Average weather for Saint Helena, Ascension and Tristan da Cunha in July
It's pleasantly warm in July in Saint Helena, Ascension and Tristan da Cunha with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 20°C. At night, you can expect temperatures between 15°C and 17°C.
Start of July
The month of July starts in Saint Helena, Ascension and Tristan da Cunha with mild temps, averaging around 20°C during the day and nights around 17°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. A shirt, maybe a light sweater, and thin pants will do.
Mid July
By mid-July, daytime temps stay steady at around 20°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of July
By the end of July, the average daytime temperature in Saint Helena, Ascension and Tristan da Cunha is around 19°C, while nighttime temps are about 16°C. A shower might pop up, but overall, the weather will be dry and sunny.
Water temperature
The water temperature at Saint Helena, Ascension and Tristan da Cunha is 20°C this month. Refreshing if you feel like a swim.
In July, there is an average of 59 mm of precipitation, spread over 13 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Saint Helena, Ascension and Tristan da Cunha in July |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 31°C | |
 Max. temperature |
20°C | 33°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
59 mm | 160 mm | |
| Rainy days |
13 days | 18 days | |
June
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is July a good time to visit Saint Helena, Ascension and Tristan da Cunha?
Looking for great weather? July is a good time to be in Saint Helena, Ascension and Tristan da Cunha. The temperatures are nice, and there’s not too much rain.
Temperature records
With 22°C in 2016, Saint Helena, Ascension and Tristan da Cunha reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 15°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 18°C.
Daily Temperature in July in Saint Helena, Ascension and Tristan da Cunha
This chart shows the average daily high and low temperatures in July for Saint Helena, Ascension and Tristan da Cunha, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in July in Saint Helena, Ascension and Tristan da Cunha
The chart below shows the average daily precipitation in July for Saint Helena, Ascension and Tristan da Cunha, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for July, you can expect about 13 days of precipitation in Saint Helena, Ascension and Tristan da Cunha.
Daily UV index in July in Saint Helena, Ascension and Tristan da Cunha
This chart shows the average daily UV index in July in Saint Helena, Ascension and Tristan da Cunha, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in Saint Helena, Ascension and Tristan da Cunha over the years
This chart shows the average temperature in July in Saint Helena, Ascension and Tristan da Cunha, measured in degrees Celsius, over the past few years.
Total precipitation in July in Saint Helena, Ascension and Tristan da Cunha over the years
This chart shows the average precipitation in July in Saint Helena, Ascension and Tristan da Cunha, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in July for Saint Helena, Ascension and Tristan da Cunha
Click on any day in July to get detailed info about the usual weather on that day in Saint Helena, Ascension and Tristan da Cunha. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Saint Helena, Ascension and Tristan da Cunha
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Average weather in Saint Helena, Ascension and Tristan da Cunha by month
Click on a month below to see detailed weather info for Saint Helena, Ascension and Tristan da Cunha. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Saint Helena, Ascension and Tristan da Cunha for all months at once
